1. What are the soft seal and hard seal of gate valve?
Soft-sealed gate valves use non-metallic elastic materials such as rubber and PTFE as seals, which are soft and hard in conjunction with the m...
1. What is a grooved butterfly valve? What are its core strengths?
The grooved butterfly valve is a butterfly valve that uses a clamp connection method. Its core advantage is that it is extremely c...
Liquid hydrogen has certain advantages in storage and transportation. Compared to hydrogen, liquid hydrogen (LH2) has a higher density and requires lower pressure for storage. However, hydrogen has...
1. Clean the sealing surface of the butterfly valve and the dirt in the pipeline.
2. The inner port of the flange on the pipeline must be aligned and press the rubber sealing ring of the butterfly ...
For the valves in operation, all valve parts should be complete and intact. The bolts on the flange and the bracket are indispensable, and the threads should be intact and no loosening is allowed. ...
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