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Domestic standard:
SH3406:96 petrochemical steel pipe flange
Type and parameter of HG20592-20635:2009 steel pipe flange
Types and parameters of 9113-9124:2000 GB/T steel pipe flanges
GB/T13042:92 large diameter carbon steel pipe flange
46:2007 CB-T ship welding steel flange
CBT3766:96 exhaust pipe steel flanges and gaskets
Standard for flange connection dimensions and sealing surfaces for GB2501-2508:1989 ships
JB/T4701-4703:2000 A and B, long neck flange standard
JB/ZQ4486:1997 straight flange
JB/T79-JB/T86:1994 pipe flange type of technical conditions
American standard:
B16.5:2009 ASME pipe flange and flange fittings NPS1/2 to 24
ASME B16.47:2006 American Standard large diameter steel pipe flanges
ASME B16.48:2005 steel pipeline blind (eight blind)
MSS SP44:2006 American Standard large diameter flange standard
B16.36:2009 ASME orifice flange standard
AWWAC207:2007 American Water Association flange standard
SAE flange of the American Automobile Association flange standard
European standard:
EN 1092-1:2008 DIN first part steel flange
BS 4504 3.1:1989 first section steel flange technical conditions
Specification for carbon steel pipe flanges for 3293:1960 BS petroleum industry
DIN2527-DIN2673 German standard flange
DIN86029 DIN86030 German standard hubbed flange
UNI2253-2286:1967 Italy standard flange
UNI6083-6097:1967 Italy standard flange
FLANGES NS Norway flange standard
Other national standards:
1123:1977 SABS South Africa flange standard
AS2129:2000 pipe valves and fittings flanges
AS4087:2004 flange technical requirements
D3578-1997 KS South Korea flange standard
Standard for B2220-2004 JIS Japanese steel pipe flanges