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H-8A Rotary poston vacuum pump

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H-8A Rotary poston vacuum pump

  • Taxonomy:Rotary poston vacuum pumps

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  • Date of release:2019/08/05
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Detailed introduction

Rotary poston vacuum pump is suitable for pumping air and general gas. When using gas ballast, it can also remove a small amount of condensable gas (such as water vapor), which is widely used in coating, metallurgy, electrician, electronics, chemical, ceramics, Vacuum processing such as vacuum coating, vacuum drying, vacuum degassing, vacuum brazing, vacuum sintering furnace, vacuum melting furnace, vacuum heat treatment, vacuum concentration, vacuum reaction, etc. in various applications such as aviation and laboratory. It can be used alone or as a foreline pump for other high vacuum pumps such as Roots pumps, diffusion pumps, and oil boosters.


The company's spool valve pump has the following characteristics:

(1) Optimized design weight, low vibration and low noise.

(2) The bearing sealing chamber is separately supplied with oil, which is separated from the pump chamber to avoid the problem that impurities enter the bearing and the seal is damaged prematurely.

(3) According to the user's request, the auxiliary fuel tank can be attached to cool the vacuum oil and separate the impurities.


This pump type is a spool type mechanical vacuum pump, which is one of the vacuum pumping equipment for extracting general gas or gas containing a small amount of condensable steam (air ballast device should be used). Suitable for vacuum smelting, vacuum drying, vacuum coating, vacuum impregnation and other operations. It can be used alone or as a foreline pump for other vacuum pumps, but it is not suitable for pumping from one container to another. When pumping a gas containing water that is too high in oxygen, explosive, corrosive to ferrous metals, and chemically reactive with vacuum oil, water, dust should be added.


Pump model meaning:

H—represents the spool vacuum pump (the first letter of the Chinese Pinyin “Hua”)

8—Indicating the pumping rate, the pumping speed of this pump is 150 liters/second.

A - indicates improvement

 滑阀真空泵


Rotary poston vacuum pump main technical parameters:

Ultimate pressure (Pa): 1.3

Geometric shaft speed (L/s): 150

Distribution power (Kw): 18.5

Air inlet diameter (Mm): 150

Exhaust diameter (Mm): 80

Cooling water consumption (Kg/h): 200

Weight (Kg): 1960


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Key word:Rotarypostonvacuumpumpmanufacturer,RotarypostonvacuumpumpPrice,Rotarypostonvacuumpumpwhichisgood

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Tel:0576-81822226            Fax:0576-81822221            E-mail:31317336@qq.com

Add: No. 265 Juxiang Road, Jiaojiang District, Taizhou City, Zhejiang Province              

Web:en.cn-wohua.com    By: 水环真空机组

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