Special valve|Talk about how to solve the problem of cavitation of metal hard seal butterfly valve

Since the rubber sealing butterfly valve has the disadvantage of being used for throttling, cavitation may occur due to improper use, and the rubber seat may be peeled off and damaged. To this end, a new generation of metal hard seal butterfly valves that solve the cavitation problem was born.

1. The three-eccentric multi-layer metal hard sealing butterfly valve butterfly ring is a soft and hard laminated metal sheet. It has the double advantages of metal sealing and elastic sealing, and has excellent sealing performance regardless of low temperature and high temperature.

2, using three-dimensional eccentric structure, the valve seat and the butterfly plate are almost no friction, the internal parts of the valve are almost no damage when closed; this structure greatly improves the performance of the valve in use. And it has a tighter sealing function.

3. Bushings are installed on the upper and lower parts of the valve stem, and each bushing produces little wear and frictional resistance. This structure completely prevents wear and adhesion, and also increases the service life.

4. The sealing surface of the valve body is made of surfacing alloy steel or stellite hard alloy. The sealing surface of the stainless steel hard sealing butterfly valve is resistant to abrasion, erosion and corrosion resistance;

5, the structure is unique, the switching torque is small, the operation is flexible, labor-saving, convenient, free from the high and low pressure of the medium pressure, and the sealing performance is reliable. Can be used for opening and closing and adjusting equipment.

Yongjia Tezhong Valve Factory specializes in the production of three eccentric butterfly valves, metal hard seal butterfly valves, ventilation butterfly valves and flanged butterfly valves.


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