China Axial Flow Check Valve

Product typeSwitch valveProduct descriptionAxial-flow type check valveModelHL43H-axial-flow type check valveNominal diameter2"~40"(50mm~1000mm)Operating temperature -196ºC~593ºC(the range of service temperature may vary for different materials)Operating pressure150-2500 CLASSMaterialMain material: A216 WCB,WCC; A217 WC6,WC9,C5,C12,C12A,CA15; A351 CF8,CF8M,CF3,CF3M,CF8C,CN3MN,CK3MCUN,CN7M; A352 LCB,LCC; A494 CW-6MC,CU5MCuC,M35-1; A890 4A(CD3MN),5A(CE3MN),6A(CD3MWCuN); ASME B 148 C95800,C95500, etc.Design standardAPI 6D ,ASME B16.34Structural lengthASME B16.10Connecting endASME B16.5,ASME B16.25,GB 9113,GB 12224Test standardAPI 598,ISO 5208,JB/T9092,GB/T13927Operation methodThe valve clack is automatically opened and closed under the medium force.Application fieldsWater, steam, petroleum, natural gas, etc.Other remarks 1The sealing faces of valve seat and valve clack are build-up welded with hard alloy to improve the erosion resistance and extend the service life of valve.Other remarks 2Streamline flow pass, no bypass of medium, small valve flow resistance, and energy savingOther remarks 3Suitable for medium backflow prevention in pipeline or deviceOther remarks 4The floating valve clack structure is adopted to automatically compensate the error caused by wearing during installation and operation, to ensure the tight mating of sealing faces and improve the sealing performance.Other remarks 5Due to the short opening and closing travel and the automatic resetting without impact, the valve can be fully opened with a small flow rate, and the closing time can be short.