China Standard Rotary Vane Vacuum Pump for Vacuum Flame Refining to Be Used as The Front Pump to Get Higher Vacuum vacuum pump electric

Product Description


Product Description

Rotary vane vacuum pumps are divided into single-stage  (XD series) and double-stage (FX Series).

The XD series is a kind of oil seal,single stage,direct connection,air cooled rotary vane
vacuum pump. which consists of a high-pressure stage and a low-pressure stage.The pump is improved products,using German technology and improvement of the vacuum pump.its efficient,reliable,low noise,
and easy to maintain design,not only in the vacuum refrigeration,drying.CZPT drying,vacuum degassing,
vacuum packaging.vacuum adsorption,vacuum forming. food packaging,printing.sputtering.vacuum casting.photovoltaic,technology in the field of aviation,chemical.electronic,refrigerator,air conditioning
ipeline characteristics and laboratory work and supporting the use of.
But it can’t smoke in addition tocontaining high oxygen content.explosive,the metal is corrosive,and on the
pump oil will play chemical reaction and containing gas dust particles.

The FX Series is a kind of oil seal too,double stage,direct connection,air cooled rotary vane vacuum pump.
which consists of a high-pressure stage and a low-pressure stage. The pump is improved products,using
German technology and improvement of the vacuum pump.its efficient,reliable,low noise,and easy to maintain design,not only in the vacuum refrigeration,drying.CZPT drying,vacuum degassing,vacuum packaging.vacuum adsorption,vacuum packaging, printing.sputtering.vacuum casting.photovoltaic,technology in
the field of aviation,chemical.electronic,refrigerator,air conditioning pipeline characteristics and laboratory work
and supporting the use of.But it can’t smoke in addition tocontaining high oxygen content.explosive,the metal is
corrosive,and on the pump oil will play chemical reaction and containing gas dust particles.

Our Advantages

1. It can be used alone,can also be used as other high vacuum pump or super high vacuum pump before the pump:
2. The preparation of special design of gas valve,prevent water pump oil,pump ail extended the use of time:
3. High pumping efficiency,high vacuum,long service life
4. With automatic anti returning oil check valve and never return oil;when the pump stops,anti oil return valve will automatically close the air inlet,by pumping the container holding 10-100Pa role:
5. Specially equipped with vacuum drying box.CZPT drying machine.printing machine,coating machine,glove box.refrigerator assembly line:
6. Can be equipped with small caliber conversion connector,KF interface,flange interface:
7. When the suction with steam,particles and corrosive gases,in the inlet of the pump shall install auxiliary equipment.such as condensers,filter and so on.

Typical Use

——Oil and gas recovery.    ——Biological medicine ——Food Processing —— Single crystal furnace
——Vacuum forming ——Vacuum flame refining ——Electronic photovoltaic. ——Semiconductor synthesis

Product Parameters

Basic parameters(For reference single-stage)

XD-20 XD-25 XD-40 XD-63 XD-80 XD-100 XD-160 XD-202 XD-250 XD-302 XD-630
Exhaust rate (m³/h) 20 25 40 63 80 100 160 200 250 300 600
Limiting pressure
0.1-0.5 0.1-0.5 0.1-0.5 0.1-0.5 0.1-0.5 0.1-0.5 0.1 0.1 0.1 0.1 0.1
Motor power (kw) 0.75 0.75 1.5 2.2 2.2 3 4 4.5 5.5 7.5 22
Working voltage(v) 220/380 380 380 380 380 380 380 380 380 380 380
Motor speed (r/min) 2880 2880 1440 1440 1440 1440 1440 1440 1440 1440 1440
Noise(dB) ≤62 ≤62 ≤65 ≤65 ≤65 ≤67 ≤70 ≤72 ≤73 ≤75 ≤80
Steam permissible pressure (mbar) 40 40 40 40 40 40 40 40 40 40 40
Suction rate of Steam
0.3 0.3 0.6 1 1 1.6 2.5 4 4.5 5 8
Operating Humidity(ºC) 82 82 80 80 80 84 95 95 81 83 88
Oil mass(L) 0.5 0.5 1 2 2 2 5 5 7 7 20
Weight(kg) 18 18 45 55 60 70 150 150 195 211 500
Thread for air inlet port () Rp3/4″ Rp3/4″ Rp1/4″ Rp1/4″ Rp1/4″ Rp1/4″ Rp2″ Rp2″ Rp2″ Rp2″ Rp3″
Overall dimensions:
650x300x280 650x300x280 650x300x280 650x430x295 650x430x295 720x430x295 850x505x440 850x505x440 980x560x440 1571x560x440 1850x850x750

Basic parameters(For reference double-stage)

FX8 FX16 FX32 FX60
Geometric extraction velocity  L/s (m³/h) 2.2(8) 4.4(16) 9.3(33.4) 17.5(63.0)
Nominal extraction speed  L/s (m³/h) 2 (7.2) 4 (14.4) 8.0(28.8) 15.0(54.0)
Limiting partial pressure(Pa) Air ballast valve close ≤ 4×10^-2 ≤ 2×10^-2
Air ballast valve open ≤ 8×10^-2
Ultimate total pressure(Pa) Air ballast valve close ≤5×10^-1
Air ballast valve open ≤ 6×10^-1
Noise  Lw:dB(A) Air ballast valve close 62 65 69 70
Air ballast valve open 65 67 71 72
Allowable pressure of water vapor(Pa) 2000 2500 3000 4000
Steam extraction rate  L/h 360 500 600 1200
Air outlet DN25ISOKF
Oil mass(L) 1.1 1.5 2.8/3.5 4.0/4.8
Recommended oil grade HFV-A200 HFV-A200s
Motor speed(r/min) 1400 1420 1400 1420
Working voltage(v) 380 380 380 380
Motor power(kw) 0.37 0.55 1.1 2.2
Weight(three-phase voltage/singel phase voltage) kg 27/29 28.2/34 58.5 75
Overall dimensions:L×W×H(mm) 500×700×300 540×180×300 630×240×410 690×240×410
Overall dimensions with oil shield:L×W×H(mm) 500×770×415 540×180×415 630×240×530 690×240×530


Characteristic Curve


Detailed Photos

General Manager Speech

Deeply cultivate the vacuum technology, and research,develop and manufacture the vacuum equipment to provide the best solution in the vacuum field and make the vacuum application easier.

Company Profile

ZheJiang Kaien Vacuum Technology Co., Ltd. is a high-tech enterprise integrating R & D, production and operation of vacuum equipment. The company has strong technical force, excellent equipment and considerate after-sales service. The product manufacturing process is managed in strict accordance with IS09001 quality system. It mainly produces and sells screw vacuum pump, roots pump, claw vacuum pump, runoff vacuum pump, scroll pump, water ring vacuum pump, vacuum unit and other vacuum systems.

 New plant plHangZhou

The company’s products have been for a number of food, medicine, refrigeration, drying plants and a number of transformer related equipment manufacturers for vacuum equipment. The products are widely used in vacuum drying and dehydration, kerosene vapor phase drying, vacuum impregnation, vacuum metallurgy, vacuum coating, vacuum evaporation, vacuum concentration, oil and gas recovery, etc.

High precision machining equipment

The company cooperates with many scientific research institutions and universities, such as ZheJiang University, China University of petroleum, ZheJiang Institute of mechanical design, etc.with colleges and universities to research and develop core technologies, and owns dozens of independent intellectual property patents.Our technology is leading, the product quality is stable, the product has a good reputation in China’s domestic market, is sold all over the country, and is exported to Europe, America, Africa, the Middle East and Southeast Asia,We adhering to the basic tenet of quality, reputation and service, the company takes leading-edge technology of vacuum pump as its own responsibility, and wholeheartedly serves customers of vacuum equipment application in various industries with rigorous working attitude and professional working style.

 Product quality wins consumer cooperationIn shipmentVacuum pump is used in the field of chemical and pharmaceutical factoryExhibition site


Welcome to send your needs, we will provide you with the best service,

provide the greatest help!!!


Warranty: One Year
Oil or Not: Oil Free
Structure: Screw
Exhauster Method: Entrapment Vacuum Pump
Vacuum Degree: High Vacuum
Work Function: Mainsuction Pump


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 Standard Rotary Vane Vacuum Pump for Vacuum Flame Refining to Be Used as The Front Pump to Get Higher Vacuum   vacuum pump electricChina Standard Rotary Vane Vacuum Pump for Vacuum Flame Refining to Be Used as The Front Pump to Get Higher Vacuum   vacuum pump electric
editor by CX 2023-04-19

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