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What is an eccentric semi-ball valve? Working principle of eccentric semi-ball valve

The eccentric semi-ball valve is a commonly used control valve, its main function is to control the flow and pressure of fluid. Its working principle is to control the flow and pressure of the fluid by rotating the hemispherical valve core, thereby achieving control and regulation of the fluid. Let'......

Classification and selection of pneumatic plastic ball valves

Pneumatic plastic ball valve is one of the types of anti-corrosion valves with the largest demand for various corrosive pipeline fluids. Compared with other valves, the biggest advantage is that the valve body is light in weight, has strong corrosion resistance, is easy to install and maintain, and ......

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.

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......

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......

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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