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When the valve is fully open, a sealing device that prevents the medium from leaking to the stuffing box is called the upper sealing device.
When the gate valve, globe valve and throttle valve are ...
The purpose of water treatment is to improve water quality and make it meet certain water quality standards.
According to different treatment methods, there are physical water treatment, chemical w...
1. What is the fundamental difference between soft seal butterfly valve and hard seal butterfly valve?
The sealing ring material is different. The sealing pair of a soft-sealing butterfly valve is ...
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...
Both the handle lever butterfly valve and the worm gear butterfly valve are valves that need to be operated manually, commonly known as manual butterfly valves, but they are still different in use....
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