• JIS B 2031-2013 灰口铸铁阀 Gray cast iron valves.pdf
• MSS SP-9-2001 Spot Facing For Bronze Iron And Steel Flanges.pdf
• JIS B2031-1994 Gray cast iron valves.pdf
• JIS B2051-1994 Malleable iron 10 K screwed valves.pdf
• MSS SP-85-2002 法兰端和螺纹端灰铸铁截止阀和角阀 GRAY IRON GLOBE ANGLE VALVES FLANGED AND THREADED ENDS.pdf
• BS EN 1092-2-1997 Flanges and their joints. Circular flanges for pipes valves fittings and accessories PN designated. Cast iron flanges.pdf
• JIS F 7373-1996 Shipbuilding-Cast iron 10K swing check valves.pdf
• BS EN 1171-2002 industrial valves-cast iron gate valves.pdf