1. The number of fan blades is small, and the air volume generated is small.
2. The fan speed is low, the wind pressure and air volume are small.
3. The motor has high power and high current, r...
Many people may see gas ballast in the instructions of some oil sealed vacuum pumps. For example, there may be two types of vacuum degree for rotary vane vacuum pumps: one is the value of gas balla...
Oil-free piston vacuum pumps are efficient and reliable vacuum devices suitable for a variety of application fields, including medical health, food processing, chemical engineering, semiconductor m...
The quality of vacuum pump oil depends on the viscosity and vacuum degree, and the vacuum degree depends on the value at different temperatures. The higher the temperature is, the more stable the v...
High vacuum gate valve has three driving modes:manual, pneumatic and motor-driven, which have the advantages of smooth action, small size, reliable use, good sealing performance and long life, etc....
1. Basic types and characteristics.
Water ring pumps can be divided into the following types according to different structures.
■ Single-stage single-acting water ring pumps: single-stage means th...