| Message: | Pressure Seal Gate ValveMain Features:The pressure seal valves are designed for service of high temperature and high pressure and are widely used in fossil fuel power plant. Compared with bolted bonnet joint valves,it provides absolute reliable sealing of the bonnet joint, so that the pressure seal valves are more compact and rigid as well as maintenance cost-effective at high temperature and high pressure service.This kind of gate valve is not only characterized as simple structure and reliable usage, but also able to create slight flexible deformation to compensate the deviation of the sealing face angle generated during processing, thus improving the process performance. In addition, at seat and gate disc seal surface are over-lay with iron-base alloy or Co-base alloy or carbide alloy for long duration.Main Parameter SpecificationDesign and Manufacture：Cast Steel Gate Valve to API 600(ISO 10434)、API 6D;Cast Stainless Steel Gate Valve to API 603、API 600Inspection and Test：API598,API600 or API 6DEnd Flange Dimension：ASME B16.5(for NPS≤24,ASME B 16.47 series B,API 605,ASME B16.47 A Series,MSS SP-44(for NPS＞24)BW end Dimension：ASME B16.25Face to Face and End to End：ASME B16.10Pressure-temperature ratings：ASME B16.34Product RangeBody material: carbon steel, stainless steel, alloy steelNominal diameter:2"~36"(DN50~DN900)End Connection: RF,RTJ, BWPressure range: Class150~2500(PN16~PN420)Working temperature:-29℃~+560℃Operation: Hand wheel,Gear,Electric Actuator,etc. url:http://www.nipovalves.com |
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