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二次偏心球面密封系列
1.设计与制造:
GB/T12238 JB/T 8527 金属密封蝶阀 API 609 双法兰式、凸耳式和对夹式蝶阀
2.结构长度:
GB/T 12221 法兰连接金属阀门结构长度 ASME B16.10 阀门结构长度
3.法兰标准:
GB/T 9112~9124 钢制管法兰 Hg20592~20614 钢制管法兰
JB/T74~90 管路法兰 HG20615~20635 钢制管法兰
Sh3406 石油化工钢制管法兰 GB/T13402 大直径碳钢管法兰
ASME B16.5 管法兰和法兰管件 ASME B16.47 大直径钢法兰
MSS SP-44 钢制管道法兰
4.检验标准:
GB/T13927 通用阀门 压力试验 JB/T9092 阀门的检验与试验
API598 阀门的检查和试验
5.阀体、蝶板材料:
碳钢 (WCB、WCC、LCB) 铸铁、球墨铸铁 (HT200、HT250、QT450-10、QT500-7)
铬钼钢 (WC5、WC6、WC9) 合金钢 不锈钢 (CF3、CF8、CF3M、CF8M、ZG1Cr18Ni9Ti、ZG1Cr18Ni12Mo2Ti)
6.蝶阀内件材料:
不锈钢 (1Cr13、2Cr13、1Cr18Ni9、1Cr18Ni9Ti、1Cr18Ni12Mo2Ti、304、316、304L、316L) 碳钢 铬钼钢 特殊钢
1、Design and manufacturing:
JB/T 8527 metal sealing butterfly valve API 609 double flange, lug and wafer butterfly valve
2、Structure of the length:
GB/T 12221 flange length of the valve structure of metal ASME B16.10 the length of the valve structure
3、Flange standard:
GB/T 9112 ~ 9124 steel pipe flange HG20592 ~ 20614 steel pipe flanges
JB/T74 ~ 90 flanges in the pipeline HG 20615 ~ 20635 steel pipe flange
SH3406 petroleum steel pipe flanges GB/T13402 large-diameter carbon steel pipe flanges
ASME B16.5 pipe flanges and flanged fittings ASME B16.47 large diameter steel flange
MSS SP-44 of steel pipe flanges
4、Inspection standard:
GB/T13927 universal valve pressure test Inspection and test of JB/T9092 valve
Inspection and test of API598 valve
5、Valve, butterfly plate material:
Carbon steel (WCB, WCC, LCB) Cast iron, nodular cast iron (HT200, HT250, QT450-10, QT500-7)
Cr-Mo steel (WC5, WC6, WC9) Alloy steel stainless steel (CF3, CF8, CF3M, CF8M, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti)
6,Butterfly valve internal materials:
Stainless steel (1Cr13, 2Cr13, 1Cr18Ni9, 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti, 304, 316, 304L, 316L) carbon steel chrome-molybdenum steel special steel
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