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不銹鋼(gang)球閥常用標準(zhun)（Q-F）

     球閥(fa)（Q-F）常(chang)用標準：NF E29-350-2003 industrial valves. Steel ball valve, ball valve and check valve closing

NF E29-466-1987 industrial valves. Rotary valve. Brass ball valve. Norms

NF E29-354-2003 industrial valves. Cast Iron Ball Valve

NF E29-465-1986 industrial valves. Rotary valve. Copper ball valve. Norms

NF D36-406-2004 buildings with valves. Building drinking water with copper alloy and stainless steel ball hand. Trials and requirements of the

NF E29-335-2003 oil and gas industry with the size of DN 100 and smaller steel gate valve, ball valve and check valve

NF E29-139-1998 gas installations in buildings and dead ball by hand at the end of taper cock

BS EN 13709-2003 industrial valves. Steel ball valve, ball valve and check valve closing

BS EN 13789-2003 industrial valves. Cast Iron Ball Valve

原(yuan)文：NF E29-350-2003  工業用閥.鋼(gang)制球閥、球狀截止(zhi)閥和止(zhi)回閥 

NF E29-466-1987  工(gong)業閥(fa)(fa)門.旋轉閥(fa)(fa).黃銅球閥(fa)(fa).規范 

NF E29-354-2003  工業用閥(fa)(fa).鑄(zhu)鐵球閥(fa)(fa)

NF E29-465-1986  工業(ye)閥(fa)門.旋轉(zhuan)閥(fa).銅(tong)鋁球閥(fa).規范(fan)

NF D36-406-2004  ;建(jian)筑(zhu)物用閥(fa).建(jian)筑(zhu)物內飲(yin)用水(shui)給水(shui)用手動銅(tong)合金和不(bu)銹鋼(gang)球閥(fa).試驗和要求(qiu) 

NF E29-335-2003  石油和(he)天(tian)然氣工業用尺寸為DN 100及更小的鋼(gang)閘閥(fa)、球閥(fa)和(he)止回(hui)閥(fa) 

NF E29-139-1998  建筑物氣體裝置(zhi)用手工操作球閥和死(si)底錐形(xing)旋塞  

BS EN 13709-2003  工業用閥(fa).不(bu)銹(xiu)鋼球閥(fa)、球狀截止(zhi)閥(fa)和(he)止(zhi)回閥(fa) 

BS EN 13789-2003  工(gong)業用(yong)閥.鑄鐵(tie)球閥