Edwards has expanded its range of nEXT turbomolecular pumps with two larger models that provide faster pumping performance and excellent compression ratios for longer cycle times and lower ultimate...
Many vacuum process installations are equipped with a Roots pump on top of the pre-stage pump, both to increase the pumping speed and to improve the vacuum. However, the following problems are ofte...
01 Product Description
This series of valves is divided into manual, pneumatic and electromagnetic driven types. Features with smooth operation, small size, reliable use, good sealing performance a...
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...
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....
This series of Roots-type vacuum pumps cannot be used alone. It needs to be used in series with the pre-stage vacuum pump to increase the pumping rate of the pre-stage vacuum pump when the pressure...