Tag Archives: screw free

China wholesaler 3-4800 m3/ h Dry Oil Free Rotary Screw Vacuum Pump for Industraial Blower Services vacuum pump brakes

Product Description

DS Series Dry Screw Vacuum Pump 

Features

1.Exhaust Path Is Short, Reduce The Deposition Of Reactants.
Comparing with other types of dry vacuum pump,DENAIR screw vacuum pump has the shortest gas path in the vacuum pump and that could reduce the contamination of process gas. Screw rotors can play as a powder transmission mechanism,we runs well even there has lots of contamination inside the pump.

2.The Optimal Linear Sealing, The Pump Performance.
Patented rotor profile can provide rotor excellent sealing effects thus a larger clearance is allowable in between.Pump rotor wesring and rotor jam by the process contamination can be reduced by larger allowable clearcance.

3.Simple Structure, Low Fault Rate And Easy Maintenance
Screw type vacuum is composed by a pair of screw rotor and isolation plates are required in different between rotors and isolation plates can also be avoided.Overhaul CZPT dry pump is much easier than other type of dry pump,so the erpair time is shorter and the cost is saver.

4.Microcomputer Operation, Remote Monitoring, Considerate Protection
Microprocessor controller provides lots of pump parameters for running status monitoring.Pump can be easily operated and monitored by the operation panel.Remote control software can help the customer monitor the pump running status remotely.

DS Vacuum Pump Speed Curve

Advantages

1.Special cooling liquid cooling, to avoid the cooling water may cause corrosion to the hull. 

2.Mobile operation interface, convenient operation; Display and the actual work of vacuum pump and can be selected to both languages, according to the real close to the customer.

3.Catch the power connector, safe and convenient.

4.The nitrogen gas heater, make the vacuum pump is more suitable for CVD, PECVD and other semiconductor technique process.
5.The control signals and communication signal interface, remote monitoring was carried out on the vacuum. 

Application

1.The health care industry.

2.Lighting industry.

3.A variety of analytical instruments.

4.Electronics, semiconductor industry. 

5.The power industry.

6.Refrigeration industry.

Technical Prameters

Type Unit DS180 DS250 DS360 DS540 DS720
50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz
Pumping speed m3/hr 180 216 250 3, China
And our factory is located in No.386,YangzhuangBang Street,Pingxing Rd.,Xindai Town,HangZhou,ZHangZhoug Province, China

Q3: Warranty terms of your machine? 
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome.

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Exhauster Method: Positive Displacement Pump
Vacuum Degree: Vacuum
Work Function: Pre-Suction Pump
Working Conditions: Dry
Customization:
Available

|

Vacuum Pump

Types of vacuum pumps

A vacuum pump is a device that draws gas molecules from a sealed volume and maintains a partial vacuum. Its job is to create a vacuum in a volume, usually one of several. There are several types of vacuum pumps, such as root pumps, diaphragm pumps, rotary piston pumps, and self-priming centrifugal pumps.

The diaphragm pump is a dry positive displacement vacuum pump

Diaphragm pumps are a versatile type of vacuum pump. They can be installed in a variety of scenarios including container emptying, positive suction, and simultaneous fluid mixing. Their performance depends on the stiffness and durability of the diaphragm, which in turn depends on the material.
They have good performance when running in dry mode. Diaphragm pumps work very similarly to the human heart, which is why they are often used to create artificial hearts. In addition, the diaphragm pump is self-priming and has high efficiency. They are also capable of handling the most viscous liquids and are used in almost all industries.
However, this type of pump has several disadvantages. One of them is that they are difficult to restart after a power outage. Another disadvantage is that they can generate a lot of heat. Fortunately, this heat is carried away by airflow. However, this heat builds up in the multistage pump. If this happens, the diaphragm or motor may be damaged. Diaphragm pumps operating in two or more stages should be fitted with solenoid valves to maintain vacuum stability.
Diaphragm pumps are a good choice for drying processes where hygiene is important. These pumps have check valves and rubber or Teflon diaphragms. Diaphragm pumps are also ideal for high viscosity applications where shear sensitivity is important.

Roots pumps are dry method centrifugal pumps

Roots pumps use a vane rotor pump with two counter-rotating vanes that move in opposite directions to move the gas. They are often the first choice for high-throughput process applications. Depending on the size and number of blades, they can withstand up to 10 Torr.
Centrifugal pumps have several advantages, including the ability to handle corrosive fluids and high temperatures. However, when choosing a pump, it is essential to choose a reputable manufacturer. These companies will be able to advise you on the best pump design for your needs and provide excellent after-sales support. Roots pumps can be used in a wide range of industrial applications including chemical, food, and biotechnology.
The Roots pump is a dry centrifugal pump whose geometry enables it to achieve high compression ratios. The screw rotors are synchronized by a set of timing gears that allow gas to pass in both directions and create a compressed state in the chamber. The pre-compressed gas is discharged through a pressure connection and cooled with water. Some pumps are also able to accept additional cooling gas, but this should be done with caution.
The size of the impeller plays an important role in determining the pump head. The impeller diameter determines how high the pump can lift the liquid. Impeller speed also affects the head. Since the head is proportional to the specific gravity of the liquid, the available suction pressure will be proportional to the density of the liquid. The density of water is about 1.2 kg/m3, and the suction pressure of the centrifugal pump is not enough to lift the water.

The rotary vane pump is a self-priming centrifugal pump

A rotary vane pump is a centrifugal pump with a circular pump head and a cycloid cam that supports the rotor. The rotor is close to the cam wall, and two side plates seal the rotor. Vanes in vane pumps are installed in these cavities, and the rotor rotates at high speed, pushing fluid in and out of the pump. The pump offers several advantages, including a reversible design and the ability to handle a wide variety of clean fluids.
Agknx Pumps manufactures a wide range of vane pumps that combine high performance, low cost, and easy maintenance. These pumps handle medium to high viscosity liquids up to 500 degrees Fahrenheit and 200,000 SSU.
The suction side of the rotary vane pump has a discharge port, and the valve prevents the backflow of the discharge air. When the maximum pressure is reached, the outlet valve closes to prevent the backflow of exhaust gas. The mechanical separation step separates the oil from the gas in the pump circuit and returns the remaining oil particles to the sump. The float valve then reintroduces these oil particles into the oil circuit of the pump. The gas produced is almost oil-free and can be blown out of a pipe or hose.
Rotary vane pumps are self-priming positive displacement pumps commonly used in hydraulic, aeration, and vacuum systems. Unlike gear pumps, rotary vane pumps can maintain high-pressure levels while using relatively low suction pressures. The pump is also very effective when pumping viscous or high-viscosity liquids.
Vacuum Pump

Rotary piston pumps are dry method positive displacement pumps

Rotary piston pumps are dry positive displacement pumps designed to deliver high-viscosity fluids. They are capable of pumping a variety of liquids and can run dry without damaging the liquid. Rotary piston pumps are available in a variety of designs. Some are single shafts, some are two shafts and four bearings.
Positive displacement pumps operate slower than centrifugal pumps. This feature makes the positive displacement pump more sensitive to wear. Piston and plunger reciprocating pumps are particularly prone to wear. For more demanding applications, progressive cavity, diaphragm or lobe pumps may be a better choice.
Positive displacement pumps are typically used to pump high-viscosity fluids. This is because the pump relies on a mechanical seal between the rotating elements and the pump casing. As a result, when fluids have low viscosity, their performance is limited. Additionally, low viscosity fluids can cause valve slippage.
These pumps have a piston/plunger arrangement using stainless steel rotors. Piston/piston pumps have two cavities on the suction side. The fluid then flows from one chamber to the other through a helical motion. This results in very low shear and pulsation rates. The pump is usually installed in a cylindrical housing.

Rotary vane pump corrosion resistance

Rotary vane vacuum pumps are designed for use in a variety of industries. They feature plasma-treated corrosion-resistant parts and anti-suck-back valves to help reduce the number of corrosive vapors entering the pump. These pumps are commonly used in freeze dryers, vacuum ovens, and degassing processes. The high flow rates they provide in their working vacuum allow them to speed up processes and reduce the time it takes to run them. Plus, they have energy-efficient motors and silent volume. <br/While rotary vane vacuum pumps are relatively corrosion resistant, they should not be used for aggressive chemicals. For these chemicals, the most suitable pump is the chemical mixing pump, which combines two types of pumps to improve corrosion resistance. If the application requires a more powerful pump, a progressive cavity pump (eg VACUU*PURE 10C) is suitable.
Oil seals used in rotary vane pumps are important to pump performance. The oil seal prevents corrosion of the aluminum parts of the rotary vane pump and prolongs the service life. Most rotary vane vacuum pumps have a standard set of components, although each component may have different oil seals.
Rotary vane vacuum pumps are the most common type of positive displacement pump. They provide quiet operation and long service life. They are also reliable and inexpensive and can be used in a variety of applications.
Vacuum Pump

Roots pumps are primarily used as a vacuum booster

Root vacuum pumps are mainly used as vacuum boosters in industrial applications. They need a thorough understanding of operating principles and proper maintenance to function properly. This course is an introduction to Roots vacuum pumps, covering topics such as pump principles, multi-stage pumps, temperature effects, gas cooling, and maintenance.
Roots pumps have many advantages, including compact and quiet operation. They do not generate particles and have a long service life. They also don’t require oil and have a small footprint. However, Roots pumps have several disadvantages, including relatively high maintenance costs and low pumping speeds near atmospheric pressure.
Root vacuum pumps are often used with rotary vane vacuum pumps. They work on the same principle, the air enters a conveying unit formed by two rolling pistons in the housing. The piston heads are separated from each other, and the air passes through the unit without being reduced until it is discharged. When the air in the next unit reaches a higher absolute pressure, it is expelled from the last unit.
Roots pumps can be classified as sheathed or sealed. Roots pumps with sealed motors are suitable for pumping toxic gases. They have less clearance between the stator and motor rotor and have a sealed tank.

China wholesaler 3-4800 m3/ h Dry Oil Free Rotary Screw Vacuum Pump for Industraial Blower Services   vacuum pump brakesChina wholesaler 3-4800 m3/ h Dry Oil Free Rotary Screw Vacuum Pump for Industraial Blower Services   vacuum pump brakes
editor by Dream 2024-05-15

China manufacturer Oil Free Vane Screw Vacuum Pump for University Lab vacuum pump and compressor

Product Description

DS Series Dry Screw Vacuum Pump 

Features

1.Exhaust Path Is Short, Reduce The Deposition Of Reactants.
Comparing with other types of dry vacuum pump,DENAIR screw vacuum pump has the shortest gas path in the vacuum pump and that could reduce the contamination of process gas. Screw rotors can play as a powder transmission mechanism,we runs well even there has lots of contamination inside the pump.

2.The Optimal Linear Sealing, The Pump Performance.
Patented rotor profile can provide rotor excellent sealing effects thus a larger clearance is allowable in between.Pump rotor wesring and rotor jam by the process contamination can be reduced by larger allowable clearcance.

3.Simple Structure, Low Fault Rate And Easy Maintenance
Screw type vacuum is composed by a pair of screw rotor and isolation plates are required in different between rotors and isolation plates can also be avoided.Overhaul CHINAMFG dry pump is much easier than other type of dry pump,so the erpair time is shorter and the cost is saver.

4.Microcomputer Operation, Remote Monitoring, Considerate Protection
Microprocessor controller provides lots of pump parameters for running status monitoring.Pump can be easily operated and monitored by the operation panel.Remote control software can help the customer monitor the pump running status remotely.

DS Vacuum Pump Speed Curve

Advantages

1.Special cooling liquid cooling, to avoid the cooling water may cause corrosion to the hull. 

2.Mobile operation interface, convenient operation; Display and the actual work of vacuum pump and can be selected to both languages, according to the real close to the customer.

3.Catch the power connector, safe and convenient.

4.The nitrogen gas heater, make the vacuum pump is more suitable for CVD, PECVD and other semiconductor technique process.
5.The control signals and communication signal interface, remote monitoring was carried out on the vacuum. 

Application

1.The health care industry.

2.Lighting industry.

3.A variety of analytical instruments.

4.Electronics, semiconductor industry. 

5.The power industry.

6.Refrigeration industry.

Technical Prameters

Type Unit DS180 DS250 DS360 DS540 DS720
50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz
Pumping speed m3/hr 180 216 250 3, China
And our factory is located in No.386,YangzhuangBang Street,Pingxing Rd.,Xindai Town,HangZhou,ZHangZhoug Province, China

Q3: Warranty terms of your machine? 
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome.

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Exhauster Method: Positive Displacement Pump
Vacuum Degree: Vacuum
Work Function: Pre-Suction Pump
Working Conditions: Dry
Customization:
Available

|

vacuum pump

How Are Vacuum Pumps Employed in the Production of Electronic Components?

Vacuum pumps play a crucial role in the production of electronic components. Here’s a detailed explanation:

The production of electronic components often requires controlled environments with low or no atmospheric pressure. Vacuum pumps are employed in various stages of the production process to create and maintain these vacuum conditions. Here are some key ways in which vacuum pumps are used in the production of electronic components:

1. Deposition Processes: Vacuum pumps are extensively used in deposition processes, such as physical vapor deposition (PVD) and chemical vapor deposition (CVD), which are commonly employed for thin film deposition on electronic components. These processes involve the deposition of materials onto substrates in a vacuum chamber. Vacuum pumps help create and maintain the necessary vacuum conditions required for precise and controlled deposition of the thin films.

2. Etching and Cleaning: Etching and cleaning processes are essential in the fabrication of electronic components. Vacuum pumps are used to create a vacuum environment in etching and cleaning chambers, where reactive gases or plasmas are employed to remove unwanted materials or residues from the surfaces of the components. The vacuum pumps help evacuate the chamber and ensure the efficient removal of byproducts and waste gases.

3. Drying and Bake-out: Vacuum pumps are utilized in the drying and bake-out processes of electronic components. After wet processes, such as cleaning or wet etching, components need to be dried thoroughly. Vacuum pumps help create a vacuum environment that facilitates the removal of moisture or solvents from the components, ensuring their dryness before subsequent processing steps. Additionally, vacuum bake-out is employed to remove moisture or other contaminants trapped within the components’ materials or structures, enhancing their reliability and performance.

4. Encapsulation and Packaging: Vacuum pumps are involved in the encapsulation and packaging stages of electronic component production. These processes often require the use of vacuum-sealed packaging to protect the components from environmental factors such as moisture, dust, or oxidation. Vacuum pumps assist in evacuating the packaging materials, creating a vacuum-sealed environment that helps maintain the integrity and longevity of the electronic components.

5. Testing and Quality Control: Vacuum pumps are utilized in testing and quality control processes for electronic components. Some types of testing, such as hermeticity testing, require the creation of a vacuum environment for evaluating the sealing integrity of electronic packages. Vacuum pumps help evacuate the testing chambers, ensuring accurate and reliable test results.

6. Soldering and Brazing: Vacuum pumps play a role in soldering and brazing processes for joining electronic components and assemblies. Vacuum soldering is a technique used to achieve high-quality solder joints by removing air and reducing the risk of voids, flux residuals, or oxidation. Vacuum pumps assist in evacuating the soldering chambers, creating the required vacuum conditions for precise and reliable soldering or brazing.

7. Surface Treatment: Vacuum pumps are employed in surface treatment processes for electronic components. These processes include plasma cleaning, surface activation, or surface modification techniques. Vacuum pumps help create the necessary vacuum environment where plasma or reactive gases are used to treat the component surfaces, improving adhesion, promoting bonding, or altering surface properties.

It’s important to note that different types of vacuum pumps may be used in electronic component production, depending on the specific process requirements. Commonly used vacuum pump technologies include rotary vane pumps, turbo pumps, cryogenic pumps, and dry pumps.

In summary, vacuum pumps are essential in the production of electronic components, facilitating deposition processes, etching and cleaning operations, drying and bake-out stages, encapsulation and packaging, testing and quality control, soldering and brazing, as well as surface treatment. They enable the creation and maintenance of controlled vacuum environments, ensuring precise and reliable manufacturing processes for electronic components.

vacuum pump

How Do Vacuum Pumps Assist in Freeze-Drying Processes?

Freeze-drying, also known as lyophilization, is a dehydration technique used in various industries, including pharmaceutical manufacturing. Vacuum pumps play a crucial role in facilitating freeze-drying processes. Here’s a detailed explanation:

During freeze-drying, vacuum pumps assist in the removal of water or solvents from pharmaceutical products while preserving their structure and integrity. The freeze-drying process involves three main stages: freezing, primary drying (sublimation), and secondary drying (desorption).

1. Freezing: In the first stage, the pharmaceutical product is frozen to a solid state. Freezing is typically achieved by lowering the temperature of the product below its freezing point. The frozen product is then placed in a vacuum chamber.

2. Primary Drying (Sublimation): Once the product is frozen, the vacuum pump creates a low-pressure environment within the chamber. By reducing the pressure, the boiling point of water or solvents present in the frozen product is lowered, allowing them to transition directly from the solid phase to the vapor phase through a process called sublimation. Sublimation bypasses the liquid phase, preventing potential damage to the product’s structure.

The vacuum pump maintains a low-pressure environment by continuously removing the water vapor or solvent vapor generated during sublimation. The vapor is drawn out of the chamber, leaving behind the freeze-dried product. This process preserves the product’s original form, texture, and biological activity.

3. Secondary Drying (Desorption): After the majority of the water or solvents have been removed through sublimation, the freeze-dried product may still contain residual moisture or solvents. In the secondary drying stage, the vacuum pump continues to apply vacuum to the chamber, but at a higher temperature. The purpose of this stage is to remove the remaining moisture or solvents through evaporation.

The vacuum pump maintains the low-pressure environment, allowing the residual moisture or solvents to evaporate at a lower temperature than under atmospheric pressure. This prevents potential thermal degradation of the product. Secondary drying further enhances the stability and shelf life of the freeze-dried pharmaceutical product.

By creating and maintaining a low-pressure environment, vacuum pumps enable efficient and controlled sublimation and desorption during the freeze-drying process. They facilitate the removal of water or solvents while minimizing the potential damage to the product’s structure and preserving its quality. Vacuum pumps also contribute to the overall speed and efficiency of the freeze-drying process by continuously removing the vapor generated during sublimation and evaporation. The precise control provided by vacuum pumps ensures the production of stable and high-quality freeze-dried pharmaceutical products.

vacuum pump

What Is the Purpose of a Vacuum Pump in an HVAC System?

In an HVAC (Heating, Ventilation, and Air Conditioning) system, a vacuum pump serves a crucial purpose. Here’s a detailed explanation:

The purpose of a vacuum pump in an HVAC system is to remove air and moisture from the refrigerant lines and the system itself. HVAC systems, particularly those that rely on refrigeration, operate under specific pressure and temperature conditions to facilitate the transfer of heat. To ensure optimal performance and efficiency, it is essential to evacuate any non-condensable gases, air, and moisture from the system.

Here are the key reasons why a vacuum pump is used in an HVAC system:

1. Removing Moisture: Moisture can be present within an HVAC system due to various factors, such as system installation, leaks, or improper maintenance. When moisture combines with the refrigerant, it can cause issues like ice formation, reduced system efficiency, and potential damage to system components. A vacuum pump helps remove moisture by creating a low-pressure environment, which causes the moisture to boil and turn into vapor, effectively evacuating it from the system.

2. Eliminating Air and Non-Condensable Gases: Air and non-condensable gases, such as nitrogen or oxygen, can enter an HVAC system during installation, repair, or through leaks. These gases can hinder the refrigeration process, affect heat transfer, and decrease system performance. By using a vacuum pump, technicians can evacuate the air and non-condensable gases, ensuring that the system operates with the designed refrigerant and pressure levels.

3. Preparing for Refrigerant Charging: Prior to charging the HVAC system with refrigerant, it is crucial to create a vacuum to remove any contaminants and ensure the system is clean and ready for optimal refrigerant circulation. By evacuating the system with a vacuum pump, technicians ensure that the refrigerant enters a clean and controlled environment, reducing the risk of system malfunctions and improving overall efficiency.

4. Leak Detection: Vacuum pumps are also used in HVAC systems for leak detection purposes. After evacuating the system, technicians can monitor the pressure to check if it holds steady. A significant drop in pressure indicates the presence of leaks, enabling technicians to identify and repair them before charging the system with refrigerant.

In summary, a vacuum pump plays a vital role in an HVAC system by removing moisture, eliminating air and non-condensable gases, preparing the system for refrigerant charging, and aiding in leak detection. These functions help ensure optimal system performance, energy efficiency, and longevity, while also reducing the risk of system malfunctions and damage.

China manufacturer Oil Free Vane Screw Vacuum Pump for University Lab   vacuum pump and compressor	China manufacturer Oil Free Vane Screw Vacuum Pump for University Lab   vacuum pump and compressor
editor by Dream 2024-05-08

China Professional OEM Service Low Pressure Oil Free Dry CHINAMFG Screw Vacuum Pump vacuum pump brakes

Product Description

Model

LGB-70

LGB-100

LGB-200

LGB-300

Pumping speed(L/3)

70

100

200

300

Ultimate pressure(Pa)

5

5

5

5

rotational speed(rpm)

2900

2940

2940

2950

Connections of inlet  DN(mm)

50

80

100

125

Connections of outle  DN(mm)

45

65

65

80

Noise level dB(A)

≤80

≤80

≤80

≤80

temperature rise(°C)

≤40°C

≤40°C

≤40°C

≤40°C

Pumping size(mm)

1360X960X700

1650X847X933

1740X960X980

2100X1100X1030

Weight (with oil filling) kg

500

665

1571

1300

Motor Power(Kw)

7.5

15

18.5

37

Motor Voltage/motor base frequency(V/Hz)

380/50

380/50

380/50

380/50

Nominal Motor speed (rpm)

2900

2940

2940

2950

Nominal Motor current(A)

14.8

28.8

35.5

67.9

Type of protection(IP)

IP55

IP55

IP55

IP55

1.Q: Are you a factory or trading company?
A: We are a factory and we have professional team of workers,Designers and inspectors.

2.Q:Do you accept custom?
A:Of course.We have professional teams who make your designs,photos,imagines and OEM orders into real production.

3.Q:What’s your advantages?
A: Quick response to your enquiry,
High quality control,
Reasonable price,
Timely delivery,
Excellent after-sales service,
OEM/ODM are welcome

4.Q:What’s your shipping terms?
A:If you need to ship by air,we can use DHL,UPS,FedEx,TNT or EMS.If you need to ship by sea,we have many good forwarders to work with,they can provide the best price for you.
  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Online Support
Warranty: 1 Year
Oil or Not: Oil
Structure: Vacuum Pump
Exhauster Method: Entrapment Vacuum Pump
Vacuum Degree: Vacuum
Customization:
Available

|

vacuum pump

Can Vacuum Pumps Be Used for Vacuum Packaging?

Yes, vacuum pumps can be used for vacuum packaging. Here’s a detailed explanation:

Vacuum packaging is a method used to remove air from a package or container, creating a vacuum environment. This process helps to extend the shelf life of perishable products, prevent spoilage, and maintain product freshness. Vacuum pumps play a crucial role in achieving the desired vacuum level for effective packaging.

When it comes to vacuum packaging, there are primarily two types of vacuum pumps commonly used:

1. Single-Stage Vacuum Pumps: Single-stage vacuum pumps are commonly used for vacuum packaging applications. These pumps use a single rotating vane or piston to create a vacuum. They can achieve moderate vacuum levels suitable for most packaging requirements. Single-stage pumps are relatively simple in design, compact, and cost-effective.

2. Rotary Vane Vacuum Pumps: Rotary vane vacuum pumps are another popular choice for vacuum packaging. These pumps utilize multiple vanes mounted on a rotor to create a vacuum. They offer higher vacuum levels compared to single-stage pumps, making them suitable for applications that require deeper levels of vacuum. Rotary vane pumps are known for their reliability, consistent performance, and durability.

When using vacuum pumps for vacuum packaging, the following steps are typically involved:

1. Preparation: Ensure that the packaging material, such as vacuum bags or containers, is suitable for vacuum packaging and can withstand the vacuum pressure without leakage. Place the product to be packaged inside the appropriate packaging material.

2. Sealing: Properly seal the packaging material, either by heat sealing or using specialized vacuum sealing equipment. This ensures an airtight enclosure for the product.

3. Vacuum Pump Operation: Connect the vacuum pump to the packaging equipment or directly to the packaging material. Start the vacuum pump to initiate the vacuuming process. The pump will remove the air from the packaging, creating a vacuum environment.

4. Vacuum Level Control: Monitor the vacuum level during the packaging process using pressure gauges or vacuum sensors. Depending on the specific packaging requirements, adjust the vacuum level accordingly. The goal is to achieve the desired vacuum level suitable for the product being packaged.

5. Sealing and Closure: Once the desired vacuum level is reached, seal the packaging material completely to maintain the vacuum environment. This can be done by heat sealing the packaging material or using specialized sealing mechanisms designed for vacuum packaging.

6. Product Labeling and Storage: After sealing, label the packaged product as necessary and store it appropriately, considering factors such as temperature, humidity, and light exposure, to maximize product shelf life.

It’s important to note that the specific vacuum level required for vacuum packaging may vary depending on the product being packaged. Some products may require a partial vacuum, while others may require a more stringent vacuum level. The choice of vacuum pump and the control mechanisms employed will depend on the specific vacuum packaging requirements.

Vacuum pumps are widely used in various industries for vacuum packaging applications, including food and beverage, pharmaceuticals, electronics, and more. They provide an efficient and reliable means of creating a vacuum environment, helping to preserve product quality and extend shelf life.

vacuum pump

Can Vacuum Pumps Be Used for Soil and Groundwater Remediation?

Vacuum pumps are indeed widely used for soil and groundwater remediation. Here’s a detailed explanation:

Soil and groundwater remediation refers to the process of removing contaminants from the soil and groundwater to restore environmental quality and protect human health. Vacuum pumps play a crucial role in various remediation techniques by facilitating the extraction and treatment of contaminated media. Some of the common applications of vacuum pumps in soil and groundwater remediation include:

1. Soil Vapor Extraction (SVE): Soil vapor extraction is a widely used remediation technique for volatile contaminants present in the subsurface. It involves the extraction of vapors from the soil by applying a vacuum to the subsurface through wells or trenches. Vacuum pumps create a pressure gradient that induces the movement of vapors towards the extraction points. The extracted vapors are then treated to remove or destroy the contaminants. Vacuum pumps play a vital role in SVE by maintaining the necessary negative pressure to enhance the volatilization and extraction of contaminants from the soil.

2. Dual-Phase Extraction (DPE): Dual-phase extraction is a remediation method used for the simultaneous extraction of both liquids (such as groundwater) and vapors (such as volatile organic compounds) from the subsurface. Vacuum pumps are utilized to create a vacuum in extraction wells or points, drawing out both the liquid and vapor phases. The extracted groundwater and vapors are then separated and treated accordingly. Vacuum pumps are essential in DPE systems for efficient and controlled extraction of both liquid and vapor-phase contaminants.

3. Groundwater Pumping and Treatment: Vacuum pumps are also employed in groundwater remediation through the process of pumping and treatment. They are used to extract contaminated groundwater from wells or recovery trenches. By creating a vacuum or negative pressure, vacuum pumps facilitate the flow of groundwater towards the extraction points. The extracted groundwater is then treated to remove or neutralize the contaminants before being discharged or re-injected into the ground. Vacuum pumps play a critical role in maintaining the required flow rates and hydraulic gradients for effective groundwater extraction and treatment.

4. Air Sparging: Air sparging is a remediation technique used to treat groundwater and soil contaminated with volatile organic compounds (VOCs). It involves the injection of air or oxygen into the subsurface to enhance the volatilization of contaminants. Vacuum pumps are utilized in air sparging systems to create a vacuum or negative pressure zone in wells or points surrounding the contaminated area. This induces the movement of air and oxygen through the soil, facilitating the release and volatilization of VOCs. Vacuum pumps are essential in air sparging by maintaining the necessary negative pressure gradient for effective contaminant removal.

5. Vacuum-Enhanced Recovery: Vacuum-enhanced recovery, also known as vacuum-enhanced extraction, is a remediation technique used to recover non-aqueous phase liquids (NAPLs) or dense non-aqueous phase liquids (DNAPLs) from the subsurface. Vacuum pumps are employed to create a vacuum or negative pressure gradient in recovery wells or trenches. This encourages the movement and extraction of NAPLs or DNAPLs towards the recovery points. Vacuum pumps facilitate the efficient recovery of these dense contaminants, which may not be easily recoverable using traditional pumping methods.

It’s important to note that different types of vacuum pumps, such as rotary vane pumps, liquid ring pumps, or air-cooled pumps, may be used in soil and groundwater remediation depending on the specific requirements of the remediation technique and the nature of the contaminants.

In summary, vacuum pumps play a vital role in various soil and groundwater remediation techniques, including soil vapor extraction, dual-phase extraction, groundwater pumping and treatment, air sparging, and vacuum-enhanced recovery. By creating and maintaining the necessary pressure differentials, vacuum pumps enable the efficient extraction, treatment, and removal of contaminants, contributing to the restoration of soil and groundwater quality.

vacuum pump

What Is a Vacuum Pump, and How Does It Work?

A vacuum pump is a mechanical device used to create and maintain a vacuum or low-pressure environment within a closed system. Here’s a detailed explanation:

A vacuum pump operates on the principle of removing gas molecules from a sealed chamber, reducing the pressure inside the chamber to create a vacuum. The pump accomplishes this through various mechanisms and techniques, depending on the specific type of vacuum pump. Here are the basic steps involved in the operation of a vacuum pump:

1. Sealed Chamber:

The vacuum pump is connected to a sealed chamber or system from which air or gas molecules need to be evacuated. The chamber can be a container, a pipeline, or any other enclosed space.

2. Inlet and Outlet:

The vacuum pump has an inlet and an outlet. The inlet is connected to the sealed chamber, while the outlet may be vented to the atmosphere or connected to a collection system to capture or release the evacuated gas.

3. Mechanical Action:

The vacuum pump creates a mechanical action that removes gas molecules from the chamber. Different types of vacuum pumps use various mechanisms for this purpose:

– Positive Displacement Pumps: These pumps physically trap gas molecules and remove them from the chamber. Examples include rotary vane pumps, piston pumps, and diaphragm pumps.

– Momentum Transfer Pumps: These pumps use high-speed jets or rotating blades to transfer momentum to gas molecules, pushing them out of the chamber. Examples include turbomolecular pumps and diffusion pumps.

– Entrapment Pumps: These pumps capture gas molecules by adsorbing or condensing them on surfaces or in materials within the pump. Cryogenic pumps and ion pumps are examples of entrainment pumps.

4. Gas Evacuation:

As the vacuum pump operates, it creates a pressure differential between the chamber and the pump. This pressure differential causes gas molecules to move from the chamber to the pump’s inlet.

5. Exhaust or Collection:

Once the gas molecules are removed from the chamber, they are either exhausted into the atmosphere or collected and processed further, depending on the specific application.

6. Pressure Control:

Vacuum pumps often incorporate pressure control mechanisms to maintain the desired level of vacuum within the chamber. These mechanisms can include valves, regulators, or feedback systems that adjust the pump’s operation to achieve the desired pressure range.

7. Monitoring and Safety:

Vacuum pump systems may include sensors, gauges, or indicators to monitor the pressure levels, temperature, or other parameters. Safety features such as pressure relief valves or interlocks may also be included to protect the system and operators from overpressure or other hazardous conditions.

It’s important to note that different types of vacuum pumps have varying levels of vacuum they can achieve and are suitable for different pressure ranges and applications. The choice of vacuum pump depends on factors such as the required vacuum level, gas composition, pumping speed, and the specific application’s requirements.

In summary, a vacuum pump is a device that removes gas molecules from a sealed chamber, creating a vacuum or low-pressure environment. The pump accomplishes this through mechanical actions, such as positive displacement, momentum transfer, or entrapment. By creating a pressure differential, the pump evacuates gas from the chamber, and the gas is either exhausted or collected. Vacuum pumps play a crucial role in various industries, including manufacturing, research, and scientific applications.

China Professional OEM Service Low Pressure Oil Free Dry CHINAMFG Screw Vacuum Pump   vacuum pump brakesChina Professional OEM Service Low Pressure Oil Free Dry CHINAMFG Screw Vacuum Pump   vacuum pump brakes
editor by CX 2024-01-04

China manufacturer 1.1Kw 20m3/h Air Cooled Dry Oil Free Screw Vacuum Pump for Lab Vacuum Distillation vacuum pump and compressor

Product Description

 

Recommends Products

DCVS Central Vacuum System SMVS Micro-Vacuum System DPSB Silent Dry Screw Vacuum Pump
DPSE Water Cooled Dry Screw Vacuum Pump SV CHINAMFG Rotary Vane Vacuum Pump RSS Roots Screw Vacuum System

 

Product Description

DPS Air Cooled Dry Screw Vacuum Pump:

DPS dry compound screw vacuum pump is the innovation and development of AfaPa’s products, using the fifth generation of compound variable pitch screw technology (30% energy saving, low exhaust temperature), with high efficiency, energy saving, environmental protection, lightweight, easy operation, reliable performance characteristics. It will be main developing trend of the vacuum pump in future.

Working Principle:

Dry compound screw vacuum pump are consist of 2 paralleled screw rotors and pump body form multiple sealed space, rotor and rotor, rotor and pump body all keep minuscule clearance(no touch, no friction), with the reverse gears driving, gas keep continuously transfer from inlet hole to outlet hole. Due to 2 rotors and pump body have no friction each other, need not lubrication oil, can keep clean gas. Gas keep continuously transfer, short passageway, high efficiency, outlet hole position lower than screw rotors, strong drainage ability, easy to clean, no intermediate bulkhead(claw vacuum pump and rotors vacuum pump have intermediate bulkhead), better exhaust and drainage, easy to maintain.
 

Our Advantages

1. Air cooled design.
2. Working chamber 100% no oil.
3. Strong resistance to water vapor.
4. Newest variable pitch screw rotors.
5. No contact double screw rotors.
6. Self-design multistage flat seal.
7. Max vacuum reach at 1Pa.

 

Product Parameters

Model DPS571 DPS050 DPS080
Pumping Speed(m3/h) 20 50 80
Max Vacuum(Pa/Torr) <3/0.02
Motor Power(Kw/Hp) 1.1/1.5 1.5/2.0 2.2/3.0
Rotaring Speed(RPM) 2980
Working Voltage(V/HZ/Phase) 220-480 / 50/60 / 3
Structure Horizontal Type
Inlet Hole KF25 KF40 KF40
Outlet Hole KF25 KF25 KF25
Cooling Method Air Cooled
Sealing Method Mechanical Flat Seal
Gear/Bearing Lubrication 100# Synthetic Gear Oil
Noise(dB) 65 70 72
Weight(Kg) 42 56 64
Dimension(LxWxH, MM) 662x303x273 763x326x280 843x326x280
Remark:
1m3/h=0.2778L/S, 1m3/h=0.5883CFM.
1Pa=0.01mbar, 1Pa=0.001Kpa, 1Pa=0.0075Torr, 1Pa=0.000145PSI, 1Pa=0.00001Bar.

 

Packaging & Shipping

Exhibition

 

Project Case

 

FAQ

Q1: If I want to inquiry, what can I need to offer?
A1: Please tell us your Working Vacuum Degree(Pa,mbar or torr), Flowrate(L/S or M3/H) and Usage.

Q2: Do you have MOQ?
A2: 1Pcs is ok,if you have more quantity, the price will be cut down.

Q3: How long to delivery?
A3: We need about 4-5 weeks to produce,then extra need about 5-7 days to arrange domestic delivery and port clearence.

Q4: What is your payment term?
A4: 50% for prepayment, then the balance should paid before delivery, by TT.

Q5: How long for the warranty?
A5: 1 year for whole machine, the effective date of warranty should be counted from 1 month the goods arrived in client’s site. If the pump go wrong, the client can choose back the pump to factory repair,or we offer remote technical support.

After-sales Service: Remote Support
Warranty: 1 Year
Oil or Not: Oil Free
Structure: Variable Pitch Screw Vacuum Pump
Exhauster Method: Negative Pressure Air Pump
Vacuum Degree: High Vacuum
Customization:
Available

|

vacuum pump

What Are the Advantages of Using Oil-Sealed Vacuum Pumps?

Oil-sealed vacuum pumps offer several advantages in various applications. Here’s a detailed explanation:

1. High Vacuum Performance: Oil-sealed vacuum pumps are known for their ability to achieve high levels of vacuum. They can create and maintain deep vacuum levels, making them suitable for applications that require a low-pressure environment. The use of oil as a sealing and lubricating medium helps in achieving efficient vacuum performance.

2. Wide Operating Range: Oil-sealed vacuum pumps have a wide operating range, allowing them to handle a broad spectrum of vacuum levels. They can operate effectively in both low-pressure and high-vacuum conditions, making them versatile for different applications across various industries.

3. Efficient and Reliable Operation: These pumps are known for their reliability and consistent performance. The oil-sealed design provides effective sealing, preventing air leakage and maintaining a stable vacuum level. They are designed to operate continuously for extended periods without significant performance degradation, making them suitable for continuous industrial processes.

4. Contamination Handling: Oil-sealed vacuum pumps are effective in handling certain types of contaminants that may be present in the process gases or air being evacuated. The oil acts as a barrier, trapping and absorbing certain particulates, moisture, and chemical vapors, preventing them from reaching the pump mechanism. This helps protect the pump internals from potential damage and contributes to the longevity of the pump.

5. Thermal Stability: The presence of oil in these pumps helps in dissipating heat generated during operation, contributing to their thermal stability. The oil absorbs and carries away heat, preventing excessive temperature rise within the pump. This thermal stability allows for consistent performance even during prolonged operation and helps protect the pump from overheating.

6. Noise Reduction: Oil-sealed vacuum pumps generally operate at lower noise levels compared to other types of vacuum pumps. The oil acts as a noise-damping medium, reducing the noise generated by the moving parts and the interaction of gases within the pump. This makes them suitable for applications where noise reduction is desired, such as laboratory environments or noise-sensitive industrial settings.

7. Versatility: Oil-sealed vacuum pumps are versatile and can handle a wide range of gases and vapors. They can effectively handle both condensable and non-condensable gases, making them suitable for diverse applications in industries such as chemical processing, pharmaceuticals, food processing, and research laboratories.

8. Cost-Effective: Oil-sealed vacuum pumps are often considered cost-effective options for many applications. They generally have a lower initial cost compared to some other types of high-vacuum pumps. Additionally, the maintenance and operating costs are relatively lower, making them an economical choice for industries that require reliable vacuum performance.

9. Simplicity and Ease of Maintenance: Oil-sealed vacuum pumps are relatively simple in design and easy to maintain. Routine maintenance typically involves monitoring oil levels, changing the oil periodically, and inspecting and replacing worn-out parts as necessary. The simplicity of maintenance procedures contributes to the overall cost-effectiveness and ease of operation.

10. Compatibility with Other Equipment: Oil-sealed vacuum pumps are compatible with various process equipment and systems. They can be easily integrated into existing setups or used in conjunction with other vacuum-related equipment, such as vacuum chambers, distillation systems, or industrial process equipment.

These advantages make oil-sealed vacuum pumps a popular choice in many industries where reliable, high-performance vacuum systems are required. However, it’s important to consider specific application requirements and consult with experts to determine the most suitable type of vacuum pump for a particular use case.

vacuum pump

Can Vacuum Pumps Be Used for Chemical Distillation?

Yes, vacuum pumps are commonly used in chemical distillation processes. Here’s a detailed explanation:

Chemical distillation is a technique used to separate or purify components of a mixture based on their different boiling points. The process involves heating the mixture to evaporate the desired component and then condensing the vapor to collect the purified substance. Vacuum pumps play a crucial role in chemical distillation by creating a reduced pressure environment, which lowers the boiling points of the components and enables distillation at lower temperatures.

Here are some key aspects of using vacuum pumps in chemical distillation:

1. Reduced Pressure: By creating a vacuum or low-pressure environment in the distillation apparatus, vacuum pumps lower the pressure inside the system. This reduction in pressure lowers the boiling points of the components, allowing distillation to occur at temperatures lower than their normal boiling points. This is particularly useful for heat-sensitive or high-boiling-point compounds that would decompose or become thermally degraded at higher temperatures.

2. Increased Boiling Point Separation: Vacuum distillation increases the separation between the boiling points of the components, making it easier to achieve a higher degree of purification. In regular atmospheric distillation, the boiling points of some components may overlap, leading to less effective separation. By operating under vacuum, the boiling points of the components are further apart, improving the selectivity and efficiency of the distillation process.

3. Energy Efficiency: Vacuum distillation can be more energy-efficient compared to distillation under atmospheric conditions. The reduced pressure lowers the required temperature for distillation, resulting in reduced energy consumption and lower operating costs. This is particularly advantageous when dealing with large-scale distillation processes or when distilling heat-sensitive compounds that require careful temperature control.

4. Types of Vacuum Pumps: Different types of vacuum pumps can be used in chemical distillation depending on the specific requirements of the process. Some commonly used vacuum pump types include:

– Rotary Vane Pumps: Rotary vane pumps are widely used in chemical distillation due to their ability to achieve moderate vacuum levels and handle various gases. They work by using rotating vanes to create chambers that expand and contract, enabling the pumping of gas or vapor.

– Diaphragm Pumps: Diaphragm pumps are suitable for smaller-scale distillation processes. They use a flexible diaphragm that moves up and down to create a vacuum and compress the gas or vapor. Diaphragm pumps are often oil-free, making them suitable for applications where avoiding oil contamination is essential.

– Liquid Ring Pumps: Liquid ring pumps can handle more demanding distillation processes and corrosive gases. They rely on a rotating liquid ring to create a seal and compress the gas or vapor. Liquid ring pumps are commonly used in chemical and petrochemical industries.

– Dry Screw Pumps: Dry screw pumps are suitable for high-vacuum distillation processes. They use intermeshing screws to compress and transport gas or vapor. Dry screw pumps are known for their high pumping speeds, low noise levels, and oil-free operation.

Overall, vacuum pumps are integral to chemical distillation processes as they create the necessary reduced pressure environment that enables distillation at lower temperatures. By using vacuum pumps, it is possible to achieve better separation, improve energy efficiency, and handle heat-sensitive compounds effectively. The choice of vacuum pump depends on factors such as the required vacuum level, the scale of the distillation process, and the nature of the compounds being distilled.

vacuum pump

What Is the Purpose of a Vacuum Pump in an HVAC System?

In an HVAC (Heating, Ventilation, and Air Conditioning) system, a vacuum pump serves a crucial purpose. Here’s a detailed explanation:

The purpose of a vacuum pump in an HVAC system is to remove air and moisture from the refrigerant lines and the system itself. HVAC systems, particularly those that rely on refrigeration, operate under specific pressure and temperature conditions to facilitate the transfer of heat. To ensure optimal performance and efficiency, it is essential to evacuate any non-condensable gases, air, and moisture from the system.

Here are the key reasons why a vacuum pump is used in an HVAC system:

1. Removing Moisture: Moisture can be present within an HVAC system due to various factors, such as system installation, leaks, or improper maintenance. When moisture combines with the refrigerant, it can cause issues like ice formation, reduced system efficiency, and potential damage to system components. A vacuum pump helps remove moisture by creating a low-pressure environment, which causes the moisture to boil and turn into vapor, effectively evacuating it from the system.

2. Eliminating Air and Non-Condensable Gases: Air and non-condensable gases, such as nitrogen or oxygen, can enter an HVAC system during installation, repair, or through leaks. These gases can hinder the refrigeration process, affect heat transfer, and decrease system performance. By using a vacuum pump, technicians can evacuate the air and non-condensable gases, ensuring that the system operates with the designed refrigerant and pressure levels.

3. Preparing for Refrigerant Charging: Prior to charging the HVAC system with refrigerant, it is crucial to create a vacuum to remove any contaminants and ensure the system is clean and ready for optimal refrigerant circulation. By evacuating the system with a vacuum pump, technicians ensure that the refrigerant enters a clean and controlled environment, reducing the risk of system malfunctions and improving overall efficiency.

4. Leak Detection: Vacuum pumps are also used in HVAC systems for leak detection purposes. After evacuating the system, technicians can monitor the pressure to check if it holds steady. A significant drop in pressure indicates the presence of leaks, enabling technicians to identify and repair them before charging the system with refrigerant.

In summary, a vacuum pump plays a vital role in an HVAC system by removing moisture, eliminating air and non-condensable gases, preparing the system for refrigerant charging, and aiding in leak detection. These functions help ensure optimal system performance, energy efficiency, and longevity, while also reducing the risk of system malfunctions and damage.

China manufacturer 1.1Kw 20m3/h Air Cooled Dry Oil Free Screw Vacuum Pump for Lab Vacuum Distillation   vacuum pump and compressor	China manufacturer 1.1Kw 20m3/h Air Cooled Dry Oil Free Screw Vacuum Pump for Lab Vacuum Distillation   vacuum pump and compressor
editor by CX 2023-11-06

china sales 3-4800 m3/ h Dry Oil Free Rotary Screw Vacuum Pump For automotive manufacturers

Merchandise Description

DS Collection Dry CZPT Vacuum Pump 

Functions

one.Exhaust Route Is Short, Reduce The Deposition Of Reactants.
Evaluating with other varieties of dry vacuum pump,DENAIR screw vacuum pump has the shortest fuel route in the vacuum pump and that could reduce the contamination of method fuel. CZPT rotors can play as a powder transmission system,we runs well even there has heaps of contamination within the pump.

two.The Ideal CZPT CZPT , The Pump Efficiency.
Patented rotor profile can offer rotor exceptional sealing consequences thus a larger clearance is allowable in between.Pump rotor wesring and rotor jam by the procedure contamination can be diminished by bigger allowable clearcance.

3.Straightforward Framework, Reduced Fault Price And Easy Upkeep
Screw sort vacuum is composed by a pair of screw rotor and isolation plates are required in distinct in between rotors and isolation plates can also be avoided.Overhaul CZPT dry pump is much less difficult than other sort of dry pump,so the erpair time is shorter and the expense is saver.

four.Microcomputer Procedure, Remote Monitoring, Considerate CZPT
Microprocessor controller offers tons of pump parameters for operating position checking.Pump can be very easily operated and monitored by the operation panel.Remote manage application can help the CZPT er monitor the pump working standing remotely.

DS Vacuum Pump CZPT Curve

Advantages

one.Unique cooling liquid cooling, to keep away from the cooling water may cause corrosion to the hull. 

two.Mobile operation interface, practical operation Exhibit and the real perform of vacuum pump and can be picked to each languages, in accordance to the actual shut to the CZPT er.

three.Catch the CZPT connector, safe and hassle-free.

4.The nitrogen gas heater, make the vacuum pump is more suitable for CVD, PECVD and other semiconductor technique method.
five.The management signals and conversation sign interface, distant monitoring was carried out on the vacuum. 

Software

one.The wellness care market.

two.Lighting market.

three.A assortment of analytical devices.

four.Electronics, semiconductor market. 

five.The CZPT market.

six.Refrigeration sector.

Complex Prameters

Type Unit DS180 DS250 DS360 DS540 DS720
50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz
Pumping velocity m3/hr one hundred eighty 216 250 three hundred 360 432 540 650 720 850
L/min 3000 3600 4200 5000 6600 7920 9000 10800 12000 14400
L/S fifty 60 70 eighty four a hundred and ten 132 one hundred fifty 180 200 240
Extreme strain mbar .02 .01 .02 .01 .02 .01 .02 .01 .02 .01
Torr .015 .0075 .015 .0075 .015 .0075 .015 .0075 .015 .0075
Pa 2 1 two one 2 1 two 1 two 1
Energy kW seven.five 7.five seven.five 7.5 11 15 eighteen.five 18.five 22 22
Pace RPM 2900 3550 2900 3550 2900 3550 2900 3550 2900 3550
Inlet diameter mm 65 80 100 150 150
Outlet diameter mm 40 40 65 65 65
Gear chamber oil articles L 0.eighty five 0.85  1.40  2.00  2.00 
Cooling drinking water L/min 2.50  2.60  2.80  3.00  4.00 
gal/min 0.67  0.70  0.75  0.80  1.07 
Fat Kg 295 350 480 520 680
Noise level dB(A) 75 78 81 85 86
Space temp ºC 5-40
Maximum permissible humidity 90%

 

Type Unit DSV250 DSV360 DSV540 DSV720 DSV1200
50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz
Pumping velocity m3/hr 250 three hundred 400 480 580 seven hundred 800 960 1200 1440
L/min 4200 5000 6600 7920 9600 11500 13200 15800 19800 23700
L/S 70 eighty four a hundred and ten 132 one hundred sixty 192 220 264 330 396
Extreme force mbar .02 .01 .02 .01 .02 .01 .02 .01 .02 .01
Torr .015 .0075 .015 .0075 .015 .0075 .015 .0075 .015 .0075
Pa 2 one 2 one two 1 2 one two 1
Electrical power kW 5.five 7.5 7.five 11 11 fifteen fifteen 18.five 22 22
Velocity RPM 2900 3550 2900 3550 2900 3550 2900 3550 2900 3550
Inlet diameter mm 65 80 100 150 150
Outlet diameter mm 40 40 65 65 65
Gear chamber oil content L 0.eighty five 0.eighty five 1.four 2 2
Cooling h2o L/min 2.50  2.50  2.60  2.80  3.50 
gal/min 0.67  0.67  0.70  0.75  0.94 
Weight Kg 295 350 480 520 680
Sound stage dB(A) 72 73 75 78 80
Room temp ºC 5-40
Maximum permissible humidity ninety%

Note:
1.The quantity of oil detailed previously mentioned is for reference only and is typically fluoride and mineral oil. The device is geared up with pump oil and grease oil.
2.The quantity of cooling drinking water is dependent on the ambient temperature of 30ºC and the cooling h2o inlet temperature of 20ºC . The use of circulating water will vary, and the h2o stress will be .15-.2Mpa.
*) Technical specs are subject to adjust with out prior notice

About CZPT

FAQ

Q1: Are you manufacturing unit or trade business?  
A1: We are manufacturing unit.

Q2: What the precisely handle of your manufacturing unit? 
A2:  Our organization is located in No. 6767, Tingfeng Rd. Xihu (West CZPT ) Dis.n District, ZheJiang 201502, CZPT
And CZPT manufacturing unit is located in No.386,YangzhuangBang Street,Pingxing Rd.,Xindai Town,HangZhou,ZHangZhoug Province, CZPT

Q3: Guarantee terms of your device? 
A3: Two a long time warranty for the equipment and complex support in accordance to your demands.

This autumn: Will you supply some spare areas of the equipment? 
A4: Yes, of course.

Q5: How CZPT will you get to prepare creation? 
A5: 380V 50HZ we can shipping and delivery the items within ten times. CZPT electric power or other color we will delivery in 22 times

Q6: Can you settle for CZPT orders? 
A6: Yes, with expert layout group, CZPT orders are very welcome.

EP designs and manufactures a extensive assortment of industrial vacuum pump systems. From ” to 29.ninety” Hg, from major pump to boost, from positive displacement to dynamic, our vacuum pumps cover a wide selection of running pressures, principles and systems, like oil-cost-free/dry and oil-lubricated rotary vane, oil-free of charge / Dry rotary screw, claw vacuum pumps, radial vacuum pumps and regenerative blowers configured for vacuum applications.
china sales 3-4800 m3/ h Dry Oil Free of charge Rotary Screw Vacuum Pump For automotive producers

AC Oilless Oil Free Piston Screw Rotary Portable Industrial Dental Air Pump Compressor Compressors

AC Oilless Oil Free Piston Screw Rotary Portable Industrial Dental Air Pump Compressor Compressors

Electrical power:           600w Voltage:       220V
Exhaust Stress: .8Mpa Current:       three.3A
Frequency:      50HZ Revolving Velocity: 1420rpm
Quantity of Gas Storage Tank:   30L Cylinder:      2x55mm

 Oilless Air CZPT Featuers:
1.Tremendous Silent
Tremendous low sound.The output air pressure is secure with out fluctuations, reducing noise air pollution.
   
     2. Safety
 
If the voltage or existing trigger the machine  overheat, it will automatically shut down to shield  from burnout.
 
    3. CZPT control

 Pressure switch immediately controls the start and end of the device.
   
   4. Adjustable air strain
The air pressure can be modified to fulfill the demands of different equipment usage.

   5. Preserve human power
 
Change on the CZPT can work normally & instantly. It is simple to work and does not require human to be on responsibility.
 
 6. Effortless maintenance
No need to incorporate any lubricant, simple servicing after buy. 

Areas Features
one.Large cast iron physique: weighty load, extended stroke, lower fuel consumption, minimal noise

two.Cylinder: produced of higher-grade solid iron, energy, excellent lubricity, wall by the fantastic honing, put on-resistant, tough

3.Piston ring: very good elasticity, superb use resistance, minimal oil consumption, not straightforward to make the valve team carbon deposition and loss of oil to melt away the crankshaft and connecting rod.

four.The crankshaft, connecting rod, piston: well balanced, dress in resistance, higher power, clean working stability.

5.High reputable and resilient valve powerful aluminum alloy human body, gentle and warmth.

6.The motor offers trustworthy power, minimal voltage start up and managing efficiency powerful admirer cooled motor and human body particular shock proof design and style.

7.Double nozzles, were used to immediate the exhaust and pressure exhaust force swap with drive button, safe and practical

8.Oil totally free,silent,safeguard-environment,ideal for dental use.
 

Frequency Requested CZPTion

1.Are you the producer or trading firm?
We are the manufacturer.

2.The place is your manufacturing facility?
It is found in HangZhou City,ZHangZhoug CZPT,China.

three.What is actually the terms of trade?
FOB,CFR,CIF or EXW are all satisfactory.

4.What is actually the terms of payment?
T/T,L/C at sight or cash.

5.What’s the lead time?

In fifteen days on receipt of deposit .

6.Do you settle for sample purchase?
Indeed,we take.

seven.What about the cost of sample?
 You have to spend the freight charge.But the expense of merchandise could be refundable,if you will acquire 1x20GP container in the foreseeable future.

 

AC Oilless Oil Free Piston Screw Rotary Portable Industrial Dental Air Pump Compressor Compressors

High Pressure Oilless Screw Part Parts Piston Free Oil AC Portable Industrial Rotary Dental Habell Max Single Mini Used Movable Air Pump Compressor Compressors

High Pressure Oilless Screw Part Parts Piston Free Oil AC Portable Industrial Rotary Dental Habell Max Single Mini Used Movable Air Pump Compressor Compressors

Energy:           600w Voltage:       220V
Exhaust Pressure: .8Mpa Present:       3.3A
Frequency:      50HZ Revolving Speed: 1420rpm
Volume of Fuel Storage Tank:   30L Cylinder:      2x55mm

 Oilless Air CZPT Featuers:
one.Super Silent
Super reduced sounds.The output air force is secure without having fluctuations, minimizing sounds pollution.
   
     2. Protection
 
If the voltage or existing trigger the machine  overheat, it will automatically shut down to protect  from burnout.
 
    3. CZPT control

 Pressure switch automatically controls the start off and cease of the machine.
   
   four. Adjustable air pressure
The air strain can be modified to satisfy the wants of distinct equipment usage.

   5. Preserve human power
 
Switch on the CZPT can function typically & instantly. It is simple to work and does not need human to be on responsibility.
 
 6. Simple upkeep
No want to incorporate any lubricant, straightforward routine maintenance right after obtain. 

Areas Features
1.Weighty cast iron human body: large load, lengthy stroke, lower fuel use, low sound

two.Cylinder: made of large-grade solid iron, power, very good lubricity, wall by the fine honing, dress in-resistant, resilient

three.Piston ring: good elasticity, excellent dress in resistance, low oil use, not effortless to make the valve team carbon deposition and reduction of oil to melt away the crankshaft and connecting rod.

four.The crankshaft, connecting rod, piston: well balanced, use resistance, high energy, clean managing balance.

5.Large trustworthy and tough valve strong aluminum alloy physique, mild and warmth.

six.The motor offers reputable electricity, low voltage start up and operating overall performance strong admirer cooled motor and entire body unique shock proof design and style.

seven.Double nozzles, had been utilized to direct the exhaust and pressure exhaust pressure switch with push button, risk-free and convenient

8.Oil free of charge,silent,safeguard-atmosphere,ideal for dental use.
 

Frequency Asked CZPTion

1.Are you the maker or buying and selling business?
We are the maker.

2.In which is your manufacturing facility?
It is found in HangZhou City,ZHangZhoug CZPT,China.

three.What’s the conditions of trade?
FOB,CFR,CIF or EXW are all suitable.

four.What is the conditions of payment?
T/T,L/C at sight or funds.

5.What is actually the guide time?

In 15 days on receipt of deposit .

6.Do you take sample order?
Indeed,we accept.

seven.What about the cost of sample?
 You have to pay out the freight cost.But the cost of solution could be refundable,if you will acquire 1x20GP container in the long term.

 

High Pressure Oilless Screw Part Parts Piston Free Oil AC Portable Industrial Rotary Dental Habell Max Single Mini Used Movable Air Pump Compressor Compressors

High Portable Used Industrial Mini Single Movable Max Dental AC Oil Pressure Oilless Screw Part Parts Free Rotary Piston Air Pump Compressors Compressor

High Portable Used Industrial Mini Single Movable Max Dental AC Oil Pressure Oilless Screw Part Parts Free Rotary Piston Air Pump Compressors Compressor

 

Power:           1390w Voltage:       220V
Exhaust Strain: .8Mpa Recent:       8.5A
Frequency:      50/60HZ Revolving Velocity: 2850rpm
Quantity of Gas Storage Tank:   18L Cylinder:      2×63.70mm

 Oilless Air CZPT Featuers:
1.Super Silent
Super low noise.The output air force is stable without having fluctuations, decreasing sounds air pollution.
   
     2. Protection
 
If the voltage or current trigger the equipment  overheat, it will immediately shut down to defend  from burnout.
 
    3. CZPT management

 Pressure change immediately controls the start and cease of the machine.
   
   4. Adjustable air strain
The air stress can be adjusted to meet the demands of diverse equipment usage.

   5. Preserve human power
 
Switch on the CZPT can operate typically & automatically. It is easy to run and does not need human to be on obligation.
 
 6. Simple routine maintenance
No need to insert any lubricant, simple maintenance soon after acquire. 

Components Features
1.Weighty cast iron entire body: heavy load, lengthy stroke, minimal gasoline usage, lower sounds

two.Cylinder: produced of high-quality cast iron, energy, excellent lubricity, wall by the fantastic honing, dress in-resistant, durable

three.Piston ring: great elasticity, superb dress in resistance, low oil usage, not effortless to make the valve group carbon deposition and loss of oil to melt away the crankshaft and connecting rod.

4.The crankshaft, connecting rod, piston: well well balanced, wear resistance, substantial strength, easy running equilibrium.

five.Large trustworthy and durable valve strong aluminum alloy entire body, mild and warmth.

6.The motor gives reputable electrical power, reduced voltage start up and running efficiency sturdy enthusiast cooled motor and physique special shock proof style.

7.Double nozzles, were utilized to direct the exhaust and stress exhaust strain change with press button, secure and convenient

8.Oil free of charge,silent,protect-surroundings,suited for dental use.
 

Frequency Asked CZPTion

one.Are you the producer or buying and selling firm?
We are the manufacturer.

2.In which is your manufacturing unit?
It is positioned in HangZhou City,ZHangZhoug CZPT,China.

3.What is actually the phrases of trade?
FOB,CFR,CIF or EXW are all suitable.

four.What is actually the terms of payment?
T/T,L/C at sight or income.

5.What is actually the lead time?

In 15 days on receipt of deposit .

6.Do you settle for sample purchase?
Of course,we accept.

7.What about the cost of sample?
 You have to spend the freight cost.But the value of merchandise could be refundable,if you will acquire 1x20GP container in the foreseeable future.

 

High Portable Used Industrial Mini Single Movable Max Dental AC Oil Pressure Oilless Screw Part Parts Free Rotary Piston Air Pump Compressors Compressor

Free Shipping High Viscosity Twin Screw Oil Pump

Free Shipping High Viscosity Twin Screw Oil Pump

                                           Higher CZPT CZPT Pump/progressive cavity screw pump

The twin screw pump is a pair of intermeshing screws forming a sealed displacement cavity in the pump body bushing.
When the screw pump rotates, the displacement cavity moves axially, and the liquid in the displacement cavity is continually
and efficiently delivered to the pump outlet.
At the same time, a vacuum is shaped at its inlet to continuously inhale the liquid.

Merchandise name Twin screw pump/Double screw pump                                                             
Material Cast iron, SS304, SS316, SS316L, 2205 etc.
Movement fee Max 1200m3/h
Force 4MPa or increased
Warranty 12 months
Shipping and delivery medium *Different viscous liquids, especially for liquids with substantial viscosity which are challenging to be pumped.
*Various concentrations of fluids and separated dry medium.
*A medium made up of solids (up to 70%), fibers (up to 350mm) and suspended medium.
*Mixture of fluid, gas and solid.
*Sensitive fluids that can not be agitated, sheared and squeezed.
*Corrosive liquid(PH=one to fourteen)
Application *CZPT defense:industrial and life sewage remedy, oily h2o therapy,the shipping and delivery     of a variety of muddy water with strong particles and short fiber, oil-water separation and squander
 gas undertaking, measuring addition of flocculant and its chemical brokers.
*CZPT sector:the shipping of thoroughly clean/large oil, acid, alkail and salt answer,different         viscous pasty and milky chemical grout, oil-water separation and waste oil recycling system,         polymer shipping and delivery.
*Exploration and mining:shipping drilling mud, mining drinking water provide and drainage, water supply      of mining dust shaker,mortar and concrete portray of mining laneway wall.
*Medication and foods:supply healthcare ointment, syrup,jam,fermentation broth,honey,product,starch    paste,toothpaste, etc.
*Ship creating:bilge cleansing pump, marine incinerator supply pump, oil-water separator                 matching pump, the supply of cabin oily drinking water and other medium.
*CZPT sector:the shipping of different gasoline oil, coal-h2o-slurry, resin, additive.
*Paper-producing business:the delivery of various pulp, short inventory, slurry and waster water                 treatment,chemical measurement, stoichiometry,uncooked content preparation, coating and coloring     process.
*CZPTtrolyte processing:the shipping of a variety of product,milk,suspension and other medium can not     be stirred and cut.
*CZPT engineering: the planning and shipping of coal h2o slurry, the manufacturing and          planning of titanium white, kaolin, and so forth, filling and grouting.
*CZPT engineering:oil-water combination, sludge with metals,metallurgy slurry,
  waste bunker emptying.
*CZPT sector: the delivery of cement motra, portray, lime milk and other paste liquid.

Shaft and Set up design

FAQ

Q:Can you offer pump qualified with ANSI and ASME CZPT?
A:Indeed, our pump compliant with ISO / ASME/ANSI CZPT.

Q:How to personalize pumps and mechanical seals ?
A:Clients could deliver us software info, we will pick appropriate pump and seal sorts, or shopper could send out us drawings, We are well in OEM and ODM.

Q:How can I pay out for my items? What is the payment you can supply?
A:Generally by T/T, 30% down payment as soon as PI verified, the balance will be paid soon after inspection and ahead of cargo. TT or L/C at sight

Q:How lengthy is guarantee?
A:one 12 months for main construction warranty.

Q:How extended is creation lead time?
A:Generally 15 working days. If shopper want urgently, we have a enormous spare parts stock, we could finish assembly and tests in 7 days.

Q:What is the delivery terms you can offer?
A:Depnends on customer’s needs, we can supply different transportantin conditions, such as EXW, FOB, CIF.

Q:Who is in charge of right after-income?
A:SUNPACE has expert right after income provider team, we will comply with up the client’s comments and propose them excellent answers. Solve client’s troubles and retaining the clientele income.

Q:Who is in cost of servicing?
A:Nearby agent. If pump operating has any difficulty on site, our local agent will arrival the plant inside of 24 hrs

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Free Shipping High Viscosity Twin Screw Oil Pump