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Introduction to the installation points and precautions of wafer butterfly valve
Before fixing the valve, the butterfly plate must be tested on and off several times to ensure that there is no jamming of the butterfly plate during the switching process, and then the nut can be completely tightened and fixed.
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What should we pay attention to when using butterfly valves?
The pipe clamp flange standard must be consistent with the butterfly valve flange standard; it is recommended to use butt welding flange, butterfly valve special flange or integral flange; flat welding flange (fitting type) is not allowed, if the user uses flat welding flange , must obtain the suppl......
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The structure of flange butterfly valve
he structure of flange butterfly valve The sealing structure of the butterfly valve includes a metal-to-metal hard seal and a metal-to-rubber or plastic soft seal. The sealing ring can be placed on the butterfly plate or on the valve body. This article details the structure of the sealed butterfl......
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Electric ball valve and globe valve area
The working principle of the ball valve is to rotate the valve to open or block the valve. The ball valve has a light switch, small size, can be made into a large diameter, reliable sealing, simple structure, and easy maintenance. The sealing surface and spherical surface are always in a closed stat......
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Fixed ball valve performance advantages
Fixed ball valve is a new generation of high-performance ball valve, suitable for long-distance pipelines and general industrial pipelines. Special considerations have been taken in its design such as strength, safety, and resistance to harsh environments.
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Ball valve disadvantages
Because the most important valve seat sealing ring material of the ball valve is polytetrafluoroethylene, it is inert to almost all chemical substances, and has a small friction coefficient, stable performance, not easy to age, wide temperature range and sealing Comprehensive features with excellent......
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