A, usage, performance and characteristics of the flat gate valve gate valves is a member of the family, as well as wedge gate valve, its main function is to control the on and off line, rather than the adjustment in the medium flow in the pipeline. Its advantage is small fluid resistance, easy opening and closing, structure length is shorter, the flow direction of medium line is not restricted, etc. Defect is seal has two seal face, processing is relatively complex, high cost, relative to other valves to be tall, open/close for a long time, when opening and closing relative friction between sealing surface, easy to cause scratches. Second, the product structure features 1, the seat is applying pre-tightening force of the floating ring seal and the seat structure, make the seal of the valve import and export, and the structure of open-close torque for the common valve, only can reach easily open and close the valve. 2, the seating surface inlay or welding stainless steel, Or tungsten cobalt chromium alloy) , it has both on metal and metal to metal seal, the sealing surface dirt and remove disc. 3, metal to metal seal valve, the valve body is grease injector outside of it, grease gets into the sealing face by greasing, valve seat, Industrial Valves to achieve zero leakage. 4, the wedge disc of the valve with flow guide hole either fully open or always fitted with the sealing face, the sealing face protected without being directly eroded by the medium, so as to prolong service life. 5, valve in full open, smooth channel for straight line, small flow resistance coefficient, no pressure loss, can connect the bulb cleaning line. 6, this valve USES the packing structure with the sealing ability, without constant adjustment, features very light open and close, and the sealing is reliable, an auxiliary sealing grease injection structure is set in the packing, the sealing performance absolutely reliable and truly achieve zero leakage, solved the packing place of universal valves to be easiest leak outward ills. 7, the valve is closed automatically removing the inner cavity and pressure, ensure use safety. 8, fully closed structure and protective performance is good, can adapt to all requirements. 9, an indication rod or viewing window to show the valve opening and closing.
is frequently used by people in daily life since it can improve cast iron gate valve and resilient seal gate valve.
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Shenzhen Mech Valve Trading Co., Ltd. also has an extensive line of products as resilient wedge gate valve.
The first machine to produce y gate valve, the resilient gate valve ductile iron gate valve was invented in os&y valve in cast iron valve by os & y valve fire protection and was subsequently improved.