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 ...
Hard sealed butterfly valve:
Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This seal has poor sealing properties, but it has hi...
Balance valve is a special function of the valve, it has a good flow characteristics, valve opening degree indication, opening degree locking device and for flow determination of the pressure measu...
The continuous development of the valve industry (1967-1978)
01 Industry development is affected
From 1967 to 1978, due to the great changes in the social environment, the development of the valve ...
With the increasing problem of global climate change and environmental pollution, the new energy industry has been highly valued by governments around the world. The Chinese government has put forw...
Today we continue to talk about valve installation precautions:
Taboo 12
The specifications and models of the installed valve do not meet the design requirements.
For example, the nominal pr...
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