1 MSS SP-118-2007 MSS Compact Steel Globe & Check Valves Flanged, Flangeless, Threaded, & Welding Ends (Chemical & Petroleum Refinery Service) Standard Practice Developed and...

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1 YBF YBF 02-2009 石油、石化、天然气及相关工业用 钢制截止阀和升降式止回阀 Steel globe valves and lift check valves for petroleum, petrochemical, natural gas and allied industries (BS 1...

1ICS 9 1. 140 P 47 中华人民共和国城镇建设行业标准 CJ/T 346一2010 家用燃具自动截止阀 Automatic shut-off valves for gas-burning appliances (ISO 23551-1: 2006 , Safety and control devices for gas burners ...