Flange butterfly valve is mainly used in industrial production pipeline, its main role is to cut off the circulation of medium in the pipeline, or adjust the size of medium flow in the pipeline. Fl...
The China (Guangxi)–ASEAN International Expo on Construction Materials and Machinery opened at the Nanning International Convention and Exhibition Center. Government officials and industry represen...
1. Hydrstatic test at negative temperature during construction in winter.
Consequences: because the tube freezes quickly during the hydraulic test, the tube is frozen.
Measures: try to carry out hy...
1. Basic Definition and Structure
A soft sealing flanged concentric butterfly valve (also known as a “center-line butterfly valve”) is a quarter-turn rotary valve designed for on/off or...
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 ...
There are many types and complex types of valves, mainly including gate valves, globe valves, throttle valves, butterfly valves, plug valves, ball valves, electric valves, diaphragm valves, check v...
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