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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "flanges" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • DL/T 1632-2016
  • (Technical requirements for flanges for steel pipe towers for transmission lines) flanges
    China Electricity & Power Standards
  • GB/T 31767-2015
  • Aircraft ducting and piping—Profile dimension for flanges of V-band couplings flanges
    China National Standards
  • GB/T 31013-2014
  • Acoustics―Acoustic insulation for pipes,valves and flanges flanges
    China National Standards
  • SH/T 3426-2014
  • Steel jacketed pipe flanges in petrochemical industry flanges
    China Petrochemical Industry Standards
  • GB/T 15601-2013
  • Metallic envelope gaskets for pipe flanges flanges
    China National GB Standards
  • DL/T 1289-2013
  • Removable steel delivery drums with corrugated flanges for conductors flanges
    China Electricity & Power Standards
  • SH/T 3406-2013
  • Steel pipe flanges in petrochemical industry [Quasi-Official / Academic version - scanned PDF, translated by Standard Committee / Research Institute in China] flanges
    China Petrochemical Industry Standards
  • SH/T 3402-2013
  • Polytetrafluoroethylene envelope gaskets for steel pipe flanges in petrochemical industry flanges
    China Petrochemical Industry Standards
  • SH/T 3401-2013
  • Nonmetallic flat gaskets for steel pipe flanges in petrochemical industry flanges
    China Petrochemical Industry Standards
  • SH/T 3403-2013
  • Metallic ring joint gaskets for steel pipe flanges in petrochemical industry flanges
    China Petrochemical Industry Standards
  • SH/T 3404-2013
  • Fasteners for steel pipe flanges in petrochemical industry flanges
    China Petrochemical Industry Standards
  • SH/T 3407-2013
  • Spiral wound gaskets for steel pipe flanges in petrochemical industry flanges
    China Petrochemical Industry Standards
  • GB/T 29168.3-2012
  • Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 3: Flanges flanges
    China National Standards
  • GB/T 29168.2-2012
  • Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 2: Fittings flanges
    China National Standards
  • GB/T 29168.1-2012
  • Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 1: Induction bends flanges
    China National Standards
  • NB/T 47020-2012
  • Type and specification for pressure vessel flanges flanges
    China Energy industry Standards
  • NB/T 20006.3-2011
  • Alloy steel for pressurized water reactor nuclear power plants. Part 3: Mn-Ni-Mo steel forgings for transition rings and flanges of reactor pressure vessels flanges
    China Energy industry Standards
  • GB/T 9119-2010
  • Slip-on-welding plate steel pipe flanges flanges
    China National Standards
  • GB/T 13402-2010
  • Large diameter steel pipe flanges flanges
    China National GB Standards
  • GB/T 9120-2010
  • Loose plate steel pipe flanges with weld-neck collar and with weld ring neck flanges
    China National Standards
  • GB/T 9122-2010
  • Loose plate steel pipe flanges with lapped pipe end、pressed collar and pressed collar with long neck flanges
    China National Standards
  • GB/T 9117-2010
  • Hubbed socket welding steel pipe flanges flanges
    China National Standards
  • GB/T 9112-2010
  • Types and parameters for steel pipe flanges flanges
    China National Standards
  • GB/T 9116-2010
  • Hubbed slip-on-welding steel pipe flanges flanges
    China National Standards
  • GB/T 9114-2010
  • Hubbed screwed steel pipe flanges flanges
    China National Standards
  • GB/T 9123-2010
  • Steel pipe blank flanges flanges
    China National Standards
  • GB/T 9124-2010
  • Specification for steel pipe flanges flanges
    China National Standards
  • GB/T 9115-2010
  • Steel pipe welding neck flanges flanges
    China National Standards
  • GB/T 9121-2010
  • Loose plate steel pipe flanges with weld-on collar flanges
    China National Standards
  • GB/T 9118-2010
  • Loose hubbed steel pipe flanges with welding neck collor flanges
    China National Standards
  • GB/T 2501-2010
  • Connection dimensions and mating face of marine flanges flanges
    China National Standards
  • GB/T 9113-2010
  • Integral steel pipe flanges flanges
    China National Standards
  • GB/Z 25756-2010
  • Vacuum technology - Bakable flanges - Dimensions of knife-edge flanges flanges
    China National Standards
  • GB/T 23540-2009
  • Coated abrasives - Flap wheels with incorporated flanges or separate flanges flanges
    China National Standards
  • HG/T 20592-2009
  • Steel pipe flanges (PN designated) flanges
    China Chemical Industry Standards
  • HG/T 20609-2009
  • Metal jacketed gaskets for use with steel pipe flanges (PN designated) flanges
    China Chemical Industry Standards
  • HG/T 20611-2009
  • Covered serrated metal gaskets for use with steel pipe flanges (PN designated) flanges
    China Chemical Industry Standards
  • HG/T 20607-2009
  • PTFE envelope gaskets for use with steel pipe flanges (PN designated) flanges
    China Chemical Industry Standards
  • HG/T 20610-2009
  • Spiral wound gaskets for use with steel pipe flanges (PN designated) flanges
    China Chemical Industry Standards
  • HG/T 20635-2009
  • Specification for ion of steel pipe flanges, gaskets and bolting (Class designated) flanges
    China Chemical Industry Standards
  • HG/T 20613-2009
  • Bolting for use with steel pipe flanges (PN designated) flanges
    China Chemical Industry Standards
  • HG/T 20614-2009
  • Specification for ion of steel pipe flanges, gaskets and bolting (PN designated) flanges
    China Chemical Industry Standards
  • HG/T 20615-2009
  • Steel pipe flanges (Class designated) flanges
    China Chemical Industry Standards
  • HG/T 20623-2009
  • Large diameter steel pipe flanges (PN designated) flanges
    China Chemical Industry Standards
  • HG/T 20627-2009
  • Non-metallic flat gaskets for use with steel pipe flanges (Class designated) flanges
    China Chemical Industry Standards
  • HG/T 20606-2009
  • Non-metallic flat gaskets for use with steel pipe flanges (PN designated) flanges
    China Chemical Industry Standards
  • HG/T 20612-2009
  • Metallic ring joint gaskets for use with steel pipe flanges (PN designated) flanges
    China Chemical Industry Standards
  • HG/T 20633-2009
  • Metallic ring joint gaskets for use with steel pipe flanges (Class designated) flanges
    China Chemical Industry Standards
  • HG/T 20632-2009
  • Covered serrated metal gaskets for use with steel pipe flanges (Class designated) flanges
    China Chemical Industry Standards
  • HG/T 20631-2009
  • Spiral wound gaskets for use with steel pipe flanges (Class designated) flanges
    China Chemical Industry Standards
  • HG/T 20630-2009
  • Metal jacketed gaskets for use with steel pipe flanges (Class designated) flanges
    China Chemical Industry Standards
  • HG/T 20628-2009
  • PTFE envelope gaskets for use with steel pipe flanges (Class designated) flanges
    China Chemical Industry Standards
  • HG/T 20634-2009
  • Bolting for use with steel pipe flanges (Class designated) flanges
    China Chemical Industry Standards
  • GB/T 12385-2008
  • Standard test method for sealability of gaskets for pipe flanges flanges
    China National GB Standards
  • GB/T 15530.4-2008
  • Copper alloy hubbed slip-on flanges for brazing or welding flanges
    China National GB Standards
  • GB/T 13404-2008
  • Non-metallic PTFE envelope gaskets for pipe flanges flanges
    China National GB Standards
  • GB/T 4622.2-2008
  • Dimensions for spiral wound gaskets for pipe flanges flanges
    China National Standards
  • GB/T 15530.1-2008
  • Cast copper alloy integral flanges flanges
    China National GB Standards
  • GB/T 12622-2008
  • Standard test method for compressibility and recovery of gaskets for pipe flanges flanges
    China National GB Standards
  • GB/T 17241.6-2008
  • Integral cast iron flanges flanges
    China National GB Standards
  • GB/T 4450-2008
  • Marine blank steel flanges flanges
    China National Standards
  • GB/T 9126-2008
  • Dimensions of non-metallic flat gaskets for pipe flanges flanges
    China National Standards
  • GB/T 13403-2008
  • Gaskets for large-diameter steel pipe flanges flanges
    China National GB Standards
  • GB/T 12621-2008
  • Standard test method for stress relaxation of gaskets for pipe flanges flanges
    China National GB Standards
  • GB/T 11693-2008
  • Welded bed plate for flanges of ship pipe flanges
    China National GB Standards
  • GB/T 21013-2007
  • Machine tools - Mounting of plain grinding wheels by means of hub flanges flanges
    China National GB Standards
  • GB/T 19675.2-2005
  • Specifications of flexible graphite gaskets reinforced with tanged metal sheet for pipe flanges flanges
    China National GB Standards
  • GB/T 2353-2005
  • Dimension series and identification code for mounting flanges and shaft ends of hydraulic pumps and motors flanges
    China National Standards
  • GB/T 19675.1-2005
  • Dimensions of flexible graphite gaskets reinforced with tanged metal sheet for ripe flanges flanges
    China National GB Standards
  • HG/T 21530-2005
  • Neck flat welding flanges with hand holes flanges
    China Chemical Industry Standards
  • HG/T 21531-2005
  • Weld neck flanges hand hole flanges
    China Chemical Industry Standards
  • HG/T 21521-2005
  • Vertical hanging cap weld neck flanges manhole flanges
    China Chemical Industry Standards
  • HG/T 21532-2005
  • The slewing cover weld neck flanges hand hole flanges
    China Chemical Industry Standards
  • GB/T 18737.4-2003
  • Textile machinery and accessories--Beams for winding--Part 4:Quality classification of flanges for Weaver’s beams,warper’s beams and sectional beams flanges
    China National GB Standards
  • GB/T 9129-2003
  • Specifications of non-metallic flat gaskets for pipe flanges flanges
    China National Standards
  • GB/T 9128-2003
  • Dimensions of metallic ring-joint gaskets for use with steel pipe flanges flanges
    China National Standards
  • GB/T 17241.2-1998
  • Cast iron pipe blank flanges flanges
    China National GB Standards
  • GB/T 17241.5-1998
  • Loose hubbed cast iron pipe flanges for lapped pipe end flanges
    China National GB Standards
  • GB/T 17241.1-1998
  • Synoptic table for cast iron pipe flanges flanges
    China National GB Standards
  • GB/T 17241.7-1998
  • Specifications for cast iron pipe flanges flanges
    China National GB Standards
  • GB/T 17241.3-1998
  • Hubbed threaded cast iron pipe flanges flanges
    China National GB Standards
  • GB/T 17241.4-1998
  • Hubbed slip-on-welding and hubbed socket welding cast iron pipe flanges flanges
    China National GB Standards
  • HG 20597-1997
  • (Socket welding steel pipe flanges (European system)) flanges
    China Chemical Industry Standards
  • HG 20595-1997
  • (Welded steel pipe flanges with neck (European system)) flanges
    China Chemical Industry Standards
  • HG 20594-1997
  • (With neck flat welded steel pipe flanges (European system)) flanges
    China Chemical Industry Standards
  • HG 20614-1997
  • (Steel pipe flanges, gaskets, fasteners optional provisions (European system)) flanges
    China Chemical Industry Standards
  • HG 20612-1997
  • (Steel pipe flanges with metal ring gasket (European system)) flanges
    China Chemical Industry Standards
  • HG 20611-1997
  • (Steel pipe flanges with tooth combination pad (European system)) flanges
    China Chemical Industry Standards
  • HG 20610-1997
  • (Steel pipe flanges with spiral wound gasket (European system)) flanges
    China Chemical Industry Standards
  • HG 20609-1997
  • (Metal-coated steel pipe flanges with gaskets (European system)) flanges
    China Chemical Industry Standards
  • HG 20608-1997
  • (Steel pipe flanges with flexible graphite gaskets (European system)) flanges
    China Chemical Industry Standards
  • HG 20607-1997
  • (Steel pipe flanges with Teflon coated pad method (European system)) flanges
    China Chemical Industry Standards
  • HG 20606-1997
  • (Steel pipe flanges with a non-metallic flat gaskets (European system)) flanges
    China Chemical Industry Standards
  • HG 20603-1997
  • (Steel pipe flanges (European system)) flanges
    China Chemical Industry Standards
  • HG 20598-1997
  • (Steel pipe flanges (European system)) flanges
    China Chemical Industry Standards
  • HG 20613-1997
  • (Steel pipe flanges with fasteners (European system)) flanges
    China Chemical Industry Standards
  • HG 20596-1997
  • (Integral steel pipe flanges (European system)) flanges
    China Chemical Industry Standards
  • HG 20593-1997
  • (Plate flat welding steel pipe flanges (European system)) flanges
    China Chemical Industry Standards
  • SHT 501-1997
  • (Petrochemical jacketed steel flanges) flanges
    China Petrochemical Industry Standards
  • HG 20628-1997
  • (Teflon-coated steel pipe flanges with gaskets (American System)) flanges
    China Chemical Industry Standards

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