GVD8 | GVD175 | application - GVD275 rotary-vane vacuum pump

GVD8 rotary-vane vacuum water pump is a kind of mechanical vacuum pump oil seal, is one of the most basic of vacuum to obtain equipment in vacuum technology.

GVD175 rotary-vane vacuum pump can take out the dry gas seal container, if equipped with a gas ballast device, you can also take a certain amount of condensable gases. However, it is not suitable for containing too much oxygen pump, metal, corrosive, react with pump oil and gas containing dust particles. Single-stage rotary vane vacuum pumps and double-stage vacuum pump has two types.

1。 GVD8 rotary-vane vacuum pump structure description

GVD8 rotary-vane vacuum pump is a positive displacement pump, it through the indoor rotary vane pump run continuously to inhalation and compressed gas, finally through the vent gas. is mainly composed of stator and rotor, rotor, etc. Rotor eccentric load into the stator cavity. Rotor slot with two rotating plate and rotating plate spring set between two rotating board. The air inlet and outlet of the stator will be rotor and rotor plate is divided into two parts.

when the rotor stator rotating cavity when, in the end of the rotor under the function of the spring tension and rotor of the centrifugal force, close to the water pump cavity wall slip, periodically extended inlet side chamber internal volume in gas, gradually reduce the volume of the outlet, compressed gas suction, and then discharge from the outlet of inhaled gas, achieve the goal of extraction.

2。 Characteristics and application scope of GVD175 rotary-vane vacuum pump are

GVD175 rotary-vane vacuum pump features:

vacuum pump suction with a coarse mesh. Suction pump chamber can prevent solid foreign bodies. Oil separator with an effective oil and gas separation effect of exhaust transition device. When the pump stop, built-in in the suction valve of the suction pump and pumping system isolation, in order to prevent the oil return pumping system. By air cooling pump. XD rotary-vane vacuum pump are all pump driven by motor through flexible coupling directly connected.

GVD275 rotary-vane vacuum pump application:

GVD275 vacuum rotary vane vacuum pump is suitable for the closed system. For example, vacuum packaging, vacuum forming and vacuum suction.

range of inlet pressure: 100 mpa - 100000 mpa. Beyond the scope of work of the vacuum pump outlet can produce oil mist. XD rotary-vane vacuum pump working environment temperature and suction gas temperature should be at 5 ℃ - Between 40 ℃.

vacuum pump can not remove water or other liquid. Do not remove the explosive, flammable, oxygen enrichment and corrosive gas.

usually serve motor not explosion-proof. If need to blast or other special requirements, motor must conform to the relevant standards.

3。

the application of GVD8 rotary-vane vacuum pump working pressure range is 101325 - 1. 33×10- 2 ( Pa) , belongs to the low vacuum pump. It can be used alone, also can be used for other high vacuum pumps or ultra-high vacuum booster pump. It has been widely used in metallurgy, machinery, military industry, electronics, chemical industry, light industry, oil and medicine production and scientific research departments. Rotary vane vacuum water pump is one of the basic equipment of removing gas. It can be used alone, also can with ultra-high pressure such as booster pump, diffusion pump, molecular pump pump used in combination. As the backing pump.

rotary vane vacuum pump is used to extract specific gas inside the sealed container and the container must be vacuum basic equipment. Due to the height of the development of modern science and technology, rotary vane vacuum pump is widely used in various fields of science and various enterprises and institutions. Can be used for metallurgy, chemical industry, light industry, petroleum, medical, pharmaceutical, printing and dyeing, electronics, electronic vacuum, semiconductor, food, atomic energy, textile and other scientific research institutions of scientific research, production and teaching. Colleges and universities and industrial and mining enterprises. It is widely used in hydraulic press.

the rotary-vane vacuum pump are made of black metal, relatively accurate, and the pump is working together, so not suitable for take out too much oxygen, toxic, black metal corrosion and explosion of vacuum oil gas chemistry, also cannot be used as compressor and transmission pump. If there is a gas ballast unit pump, some condensable vapor can be removed.

4。 GVD175 the use of the rotary-vane vacuum pump are

start, check whether the water cooling of the cooling water pump is

internal force, oil lubrication, reliable performance;

equipped with automatic protection oil return double safety device;

when the inlet pressure in a 1. 33 x 10 pa, still can run continuously.

don't leak, not injection, do not pollute the work environment. Exhaust device specially equipped with oil mist collector.

can be equipped with small diameter KF interface adapter and international standards.

6。 GVD275 characteristics of the use of the rotary-vane vacuum pump pumping speed:

4 to 100 liters per second

limit pressure: 6 * 10 - or less 2Pa ( Pa)

limit vacuum: 1 or less. 3 mpa ( Palmer)

gas type: normal temperature clean and dry air, excluding other mixture, excluding other dust and moisture in the air.

work requirements: when the inlet pressure is greater than 6500 mpa, continuous working hours must not exceed 3 minutes, so as to avoid fuel injection pump damage.

work requirements: inlet pressure is less than 1330 pa, allows continuous work for a long time.

the environment temperature, vacuum pump generally at room temperature is not lower than 5 ℃, relative humidity is not higher than 90% under the conditions of use.

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