Cast steel flange hard seal gate valve sealing surface of stainless steel and carbide, long service life. Using the flexible graphite packing plate, reliable seal, flexible operation of the light. Pneumatic, electric, drive way to break up, gear transmission, structure; Elastic wedge single valve, rigid wedge valve plate and double disc type. Widely used in petrochemical, oil, steam pipeline, such as coal-fired power plants connected or truncate the medium inside the pipe opening and closing device. Cast steel flange hard seal gate valve product figure

cast steel flange hard seal gate valve structure characteristics 1, well-selected materials, in line with the relevant standards at home and abroad, materials of high comprehensive quality; 2, conform to the requirements of domestic and international advanced standard, reliable sealing, excellent performance, aesthetically pleasing; 3, seal pair of advanced and reasonable, the disc and seat sealing surface with different hardness of too stand ( Stellite） Cobalt-based hard alloy surfacing and become, reliable sealing, high hardness, wear resistance, high temperature resistance, good corrosion resistance, abrasion resistance, long service life. ； 4, the valve stem through surface nitriding treatment and conditioning, with good corrosion resistance, abrasion resistance and wear resistance; 5, adopting the wedge gate structure, large diameter setting thrust bearing, friction small, and is equipped with impact handwheel, opening and closing at ease; 6, can be used in a variety of piping flange standards and flange sealing surface forms, can meet the needs of all kinds of engineering and the user requirements. Cast steel flange hard seal gate Industrial Valves manufacturers recommend Chinese low production of cast steel valve flange hard seal gate valves are superior in quality, good quality, good seal performance, better guarantee the performance of the valve and the efficiency of work, is a rare good valves.
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