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The sealing surface of stainless steel gate valve is not easy to wear and abrasion, and has good sealing performance. There is no relative sliding between the valve disc and the sealing surface of the valve body during opening and closing, so the wear and abrasion are not serious, the sealing performance is good, and the service life is long. The fluid resistance is large, because the medium passage in the valve body is tortuous, the fluid resistance is large, and the power consumption is large.
Stainless steel gate valve is a type of general purpose valve. The flow direction is low in and high out. Because it is more general purpose, it is also a type of general purpose valve. The sealing pairing is advanced and reasonable. The sealing surfaces of the gate and valve seat are made of Stellite cobalt-based hard alloy with different hardness. The sealing is reliable, high hardness, high temperature resistance and long life.