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General medium and low pressure cut-off valve is low and high, cut off when the filler does not force, reduce the probability of leakage, can extend the service life. -
The main materials, equipment, and products used in the construction lack the technical quality appraisal documents or product certifications that meet the national or ministerial standards. Consequences: The quality of ... -
If you do not carefully check the valve usage and performance specification before installing the pinch electric butterfly valve, then there are probably several common faults for the clamp electric butterfly valve: valve can not commutate... -
1, why is a small two seater valve opening is easy oscillation work?For a single core, the stability of the valve is good when the medium is open, and when the medium is closed, the stability of the valve is poor ... -
2018-01-27The butterfly valve has the advantages of simple structure, small volume, light weight, material consumption, installation of small size, fast switching, reciprocating and rotating 90 degrees... -
Control valves play a very important role in automatic control of modern chemical plants. The production of these plants depends on the correct distribution and control of the flowing medium. These controls... -
Valve sealing performance requirements, to prevent leakage point of departure. According to the different parts of the leak and the degree of leakage caused by the valve is different, therefore... -
Installation of electric regulating valve precautionsElectric regulating valve installation should pay attention to the following aspects:1, the control valve should be installed before the pipeline cleaning...
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