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Butterfly development history, definition and specification parameters
standard no. | Standard Chinese Name | standard English Name |
SY/T5215-87 | 钻具止回阀 | |
GB/T12235-1989 | 通用阀门法兰连接钢制截止阀和升降式止回阀 | General purpose industrial valves—Flanged steel globe valves and lift check valves |
GB/T1241-1983 | 船用外螺纹锻钢截止止回阀 | Marine forged steel male thread stop and check valves |
GB/T12233-1989 | 通用阀门铁制截止阀与升降式止回阀 | General purpose industrial valves—Casting iron globe valves and lift check valves |
GB/T12236-1989 | 通用阀门钢制旋启式止回阀 | General purpose industrial valves—Steel swing check valves |
GB/T13932-1992 | 通用阀门铁制旋启式止回阀 | General purpose industrial valves--Cast iron swing check valves |
GB/T18691-2002 | 农业灌溉设备止回阀 | Agricultural irrigation equipment--Check valves |
GB/T1952-1980 | 船用低压外螺纹青铜止回阀 | Low bressure bronze male screw-thread check valve for marine use |
GB/T597-1983 | 船用外螺纹青铜止回阀 | Marine bronze male thread lift check valves |
GB/T592-1993 | 船用法兰铸铁止回阀 | Marine cast iron flanged lift check valves |
GB/T591-1993 | 船用法兰铸铁截止止回阀 | Marine cast iron flanged stop check valves |
GB/T586-1999 | 船用法兰铸钢止回阀 | Marine cast steel flanged check valves |
GB/T588-1993 | 船用法兰青铜截止止回阀 | Marine bronze flanged stop check valves |
GB/T589-1993 | 船用法兰青铜止回阀 | Marine bronze flanged check valves |
GB/T596-1983 | 船用外螺纹青铜截止止回阀 | Marine bronze male thread stop and check valves |
GB/T585-1999 | 船用法兰铸钢截止止回阀 | Marine cast steel flanged stop check valves |
GB/T1953-1984 | 船用低压外螺纹青铜截止止回阀 | Marine low pressure bronze male threaded stop check valves |
JB/T8937-1999 | 对夹式止回阀 | |
JB/T1736-1991(2005复审) | 旋启式止回阀阀瓣密封圈 | |
JB/T1737-1991(2005复审) | 旋启式止回阀阀瓣密封圈压板 | |
JB/T53036-1999 | 止回阀 产品质量分等 | |
NF E29-350-2003 | 工业用阀.钢制球阀、球状截止阀和止回阀 | (Industrial valves - Steel globe and globe stop and check valves.) |
NF E29-316-3-2000 | 供水用阀门.适用性要求和专用检查试验.第3部分:止回阀 | (Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 3 : check valves.) |
NF P43-017-1989 | 建筑物水管阀门.带法兰可调EA止回阀.一般技术规范 | (VALVES AND TAPS FOR WATER SUPPLY IN BULDINGS. CONTROLLABLE CHECK VALVES EA,WITH FLANGES. GENERAL TECHNICAL SPECIFICATIONS.) |
NF E29-373-1984 | 工业阀门.止回阀.钢制,单摇板式,带法兰盘,ISO标准压力16,20,25,40,50,100 | (Industrial valves. Flanged steel swing check valves. ISO PN A6, ISO PN 20, ISO PN 25, ISO PN 40, ISO PN 50, ISO PN 100.) |