At present, most of the vacuum pumps used in vacuum precooling devices are rotary vane vacuum pumps. Although the vane vacuum pump with gas ballast device can pump out the mixed gas containing a small part of water vapor and a large amount of permanent gas, in the process of vacuum precooling, du...

Dry screw vacuum pump operation within the pump chamber completely has no oil or water, because it is direct gas circuit design, can dry screw vacuum pump out the processing of condensable vapor and gas containing small particles without residual gas in the pump. Because the pump cavity there is ...

In the field of oil deacidification technology, especially a kind of deacidification vacuum device for oil refining, the following focuses on the application of vacuum system in oil deacidification, providing reference for you. There are a certain amount of free fatty acids in the crude oil which...

The oil recovery system of screw pump is mainly composed of the driving device of screw pump, the wellhead device of screw pump, the downhole pump of screw pump and the intermediate tubing. According to the different screw pump drive, can be divided into electric drive, hydraulic drive and mobile...

Solenoid valve is an industrial equipment controlled by electromagnetism. It is an automatic basic component used to control fluid. It belongs to actuator, not limited to hydraulic and pneumatic. It is used to adjust the direction, flow, speed and other parameters of the medium in the industrial ...

The principle of solenoid valve can be divided into three categories: direct acting, step-by-step direct acting and pilot operated. Today EVP vacuum pump manufacturers for you to sort out the principle and classification of solenoid valve, let’s get to know! Direct acting solenoid valve The...

The advantages of the three blade roots vacuum pump have these three points, which are more outstanding than the two blade type! The three blade roots vacuum pump adopts a three blade impeller. Its working principle is basically the same as the old two blade roots vacuum pump. Compared with the o...

Distilled gum rosin is usually obtained by vacuum distillation of gum rosin. The size and stability of the system limit vacuum directly affect the quality and output of the product. The production practice shows that the vacuum pump system can meet the vacuum requirements of continuous production...

Oil seal mechanical vacuum pump is a kind of mechanical vacuum pump which uses oil to keep the seal. It can be divided into fixed plate type, rotary plate type, slide valve type, cycloid type, etc. Oil sealed vacuum pump working principle The mechanical vacuum pump that uses oil to keep the seal...

The quantity of vacuum pump products is huge, the demand is large and the output is not high, but it is an indispensable basic product that directly affects the function and quality of vacuum equipment. The market of vacuum pump changes according to the needs of users. The rapid development of se...