Water ring vacuum pump is a common type of liquid ring vacuum pump. Water ring is a rotor with multi-blades eccentrically installed in the pump shell. When it rotates, it throws liquid into the pump and forms a liquid ring concentric with the pump shell. The liquid ring and the rotor blade form a...

In addition to pumping general gases, liquid ring vacuum pump has the main advantage of pumping condensable gases (such as water vapor). Because the liquid ring pump has the characteristics of isothermal compression, it can also suck inflammable, explosive and corrosive gases. The characteristics...

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One of the most common operations in the many industry is the use of vacuum pumps to move liquids or solids from one location or processing step to another. The main parts of pump transportation are pipeline system and vacuum pump. Vacuum pumps are very different in type and principle. The select...

Single-stage rotary vane vacuum pump can work at any inlet pressure. Single-stage rotary vane vacuum pump has been widely used in vacuum packaging of food and vacuum suction forming of plastic industry. Paper conveying, vacuum fixture and vacuum attraction in printing industry single-stage rotary...

Roots vacuum pump, as its name implies, is a kind of vacuum pump that uses mechanical energy to achieve no internal compression. Therefore, the requirement of vacuum degree is relatively high. If the phenomenon of vacuum degree is not high enough, it is necessary to check the product, find out th...

Many users do not know the operating conditions of vacuum pumps, which often causes the damage of vacuum pumps. Under what conditions is the best use of vacuum pumps? Expanding vacuum pump plant technicians according to the basic needs of users and their own experience, summed up the following po...

Roots vacuum pump can not be used alone, it must be equipped with the former pump to form a unit. The use of the former vacuum pump is to reduce the discharge pressure of Roots vacuum pump. Because the compression ratio of Roots vacuum pump is limited, it is important to select the pumping speed ...

Piston vacuum pump is often used in large-scale vacuum equipment because of its structural characteristics and much larger capacity than rotary vane pump. There are two types of piston vacuum pump: single-stage piston vacuum pump and double-stage piston vacuum pump. The limit pressure of single-s...

Roots vacuum pump is a variable-volume vacuum pump with two blade-shaped rotors rotating synchronously in opposite directions. There is a small gap between the rotors, the rotors and the inner wall of the pump housing, but there is no contact with each other. The water ring vacuum pump is equippe...