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What is a flange ball valve? Working principle of flange ball valve

Flange ball valve is a commonly used on-off regulating valve. It has the advantages of simple structure, convenient operation, reliable sealing, and small flow loss. It is widely used in petroleum, chemical industry, electric power, metallurgy, pharmaceutical, food and other industries.

What is a hard seal ball valve? Working principle of hard seal ball valve

Hard seal ball valve is a kind of valve with good sealing performance. It adopts hard seal technology and has three major characteristics: high temperature resistance, high pressure resistance and wear resistance. It can effectively prevent the leakage of media and has good corrosion resistance.

What is a soft seal ball valve? Working principle of soft seal ball valve

Soft seal ball valve is a commonly used control valve, which consists of a ball, valve body, valve stem, soft seal, handwheel, etc. The ball is fixed by the valve body and the valve stem. A handwheel is installed on the valve stem. The handwheel drives the ball to rotate through the valve stem, ther......

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.

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