The water ring vacuum pump can obtain the ultimate vacuum of 2000~4000Pa, and the series air ejector can reach 270~670Pa. The water ring pump can also be used as a compressor, which is called a water ring compressor. It is a compressor with low pressure, and its pressure range is 1~2 x 105Pa mete...

The vacuum gauges used in vacuum pumps can be divided into two categories: One is the absolute vacuum gauge that can directly measure the system pressure, such as the Mcleod vacuum gauge. The other kind is the relative vacuum gauge used after the absolute vacuum gauge calibration, the thermocoupl...

一、Overview of the roots water ring vacuum unit:  Roots water ring vacuum unit is based on roots pump, with water ring pump as the front pump series. Roots water ring vacuum unit is chosen as the backing pump water ring pump more advantageous than other vacuum pump, it overcomes the single water...

Rotary-vane vacuum pump are discharging air to make indoor air pressure drop, indoor air becomes thinner, the characteristics of the vacuum pump to form a negative pressure zone, due to the pressure difference compensation into indoor air, in the practical application in industrial workshop, it i...

The water ring vacuum pump was originally used as a self-priming pump, and then gradually used in many industrial sectors such as oil, chemical, machinery, mining, light industry, medicine and food. In many industrial production process, such as vacuum filter, vacuum water diversion, vacuum feed,...

Dry screw vacuum pump is mainly using a pair of screw, characterized by two screw fine dynamic balancing correction, and is supported by bearings, is installed in the pump shell, between screw and screw has a certain gap, so the dry screw vacuum pump is working, no friction between each other, sm...

Many users often question whether their high vacuum system needs a bypass line. To understand whether the system requires a bypass line, we must first understand the role of the bypass line. Whether the bypass line is used depends on the pumping time of the vacuum system. If the pump cavity is sm...

Performance specification of piston Vacumm pump: The piston Vacumm pump has a single-stage H type and a two-stage 2H type, with a geometric pumping speed of 150 litres/s and a maximum pressure of 1 pa (8 x 10-3). It is suitable for vacuum smelting, vacuum drying, vacuum coating, vacuum impregnati...

Purpose and scope of use and use of direct water ring vacuum pump: Direct water ring vacuum pump is used to pump air and other non-corrosive gases that do not dissolve in water and contain solid particles in order to form a vacuum in an airtight container. A small amount of liquid is allowed in t...

The self-priming centrifugal oil pump has the advantages of simple structure, convenient operation, smooth operation, easy maintenance, high efficiency and long service life. The pipe does not need the bottom valve, before the work need only to ensure that the pump body has a fixed amount of oil....