Association Fran aise de Normalisation (AFNOR) is the French national organization for standardization and its International Organization for Standardization member body.The AF ...

API StandardsAPI flanges are designed to handle very high pressures and temperatures. API flanges have a smaller bolt circle than MSS flanges. All API flanges are ring joint fl ...

1.1 SCOPE This Standard specifies requirements for circular flanges of nominal sizes DN 15 to DN 3000, inclusive, and their bolting for use on pipes, valves, fittings and other ...

ASME B16.47 Weld Neck Flanges1 SCOPE 1.1 General This Standard covers pressure–temperature ratings, materials, dimensions, tolerances, marking, and testing for pipe flanges in ...

ASME B16.48 Spectacle Flanges,Line Blanks1 SCOPEThis Standard covers pressure–temperature ratings, materials, dimensions, tolerances, marking, and testing for operating line bl ...

At Haihao Group, we continue to support our global clients with high-quality pipeline components tailored to meet specific project needs. Recently, we successfully delivered a ...

The ASME B16.5 standard governs the specifications for pipe flanges and flanged fittings used in various piping applications. This standard is widely recognized in industries s ...

The ASME B16.5 standard governs the specifications for pipe flanges and flanged fittings used in various piping applications. This standard is widely recognized in industries s ...

The ASME B16.5 standard governs the specifications for pipe flanges and flanged fittings used in various piping applications. This standard is widely recognized in industries s ...

The ASME B16.5 standard governs the specifications for pipe flanges and flanged fittings used in various piping applications. This standard is widely recognized in industries s ...

The ASME B16.5 standard governs the specifications for pipe flanges and flanged fittings used in various piping applications. This standard is widely recognized in industries s ...

The ASME B16.5 standard governs the specifications for pipe flanges and flanged fittings used in various piping applications. This standard is widely recognized in industries s ...

This standard covers two types of slip-on flanges, ring type and hub type, that may be used interchangeably if the dimensions given in the standard are used. The standard also ...

The range is manufactured with a flat face and does not feature the raised sealing face of heavy duty flanges such as ANSI B 16.5, BS4504 and DIN 2576 (PN 10 and 16) for exampl ...

Circular flanges for pipes, valves and Fittings This Section of BS 1560 has been prepared under the direction of the Piping Systems Components Standards Policy Committee and co ...

BS 3293 Carbon steel weld neck flangeBS 3293 Carbon steel pipe flanges Section1 ScopeThis British Standard is a material and dimensional standard only and applies to forged car ...

Flanges to EN 1092-1 were flanges to BS4504:1989 until March 2012 when the British Standard was withdrawn. The original standard for what are commonly known as metric flanges f ...

 DIN 2501 PN16 PLATE FLANGEDIN 2501 PN16 PLATE FLANGENominal Pipe SizeDiameter ofFlange DiaFlange I.DThk of FlangesfDia of Bolt CirlceNo. ofDia of Bolt HolesWeightPLATEBLI ...

DIN2502 PN16 Plate FlangeDimension and weight of DIN2502 PN16 Plate FlangeNominal Pipe SizeDiameter of PipeFlange I.DFlange DiaThk of FlangesDia of Bolt CircleNo. of holesDia o ...

Specification of DIN 2527 PN6 Blind FlangeSpecification of DIN 2527 PN6 Blind FlangeNominal Pipe SizeFlange DimensionScrew ParameterApprox. Flange WeightFlanges DiaThk of Flang ...

Dimension and Weight of DIN 2576 PN10 Plate flangeDimension and Weight of DIN 2576 PN10 Plate flangeNominal Pipe SizeDiameter of PipeFlange DimensionNuts & BoltsApprox. Fla ...

DIN2630 PN2.5 Welding Neck FlangeDimension and weight of DIN2630 PN2.5 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbk ...

DIN 2631 PN6 Welding Neck Flange Dimension and weight of DIN2631 PN6 Welding Neck FlangePipe ParameterFlange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDb ...

DIN2632 PN10 Welding Neck FlangeDimension and weight of DIN2632 PN10 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDN ISO DIN D  ...

DIN 2633 PN16 Welding Neck FlangeDimension and weight of DIN2633 PN16 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh ...

DIN 2634 PN25 Welding Neck FlangeDimension and weight of DIN2634 PN25 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh ...

DIN 2635 PN40 Welding Neck FlangeDimension and weight of DIN2635 PN40 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh ...

DIN 2636 PN64 Welding Neck FlangeDimension and weight of DIN2636 PN64 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh ...

DIN 2637 PN100 Welding Neck FlangeDimension and weight of DIN2637 PN100 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDb ...

At Haihao Group, we continue to support our global clients with high-quality pipeline components tailored to meet specific project needs. Recently, we successfully delivered a ...

ASTM A105 Carbon Steel Plate Flange and Weld Neck FlangeASTM A105 Carbon Steel is the most common forged material of group of materials under ASME/ANSI B16.5 standard (Pipe fla ...

ASTM A182Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature ServiceASME standards av ...

ASTM A182 Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service 1. Scope 1.1 Th ...

ASTM A182Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service1. Scope1.1 This ...

ASTM A182Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature ServiceASME standards av ...

ASTM A182Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature ServiceASME standards av ...

ASTM A182Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature ServiceASME standards av ...

This specification covers carbon structural steel shapes, plates, and bars of structural quality for use in riveted, bolted, or welded construction of bridges and buildings, an ...

Preface This is the seventh edition of CSA Z245.12, Steel flanges. It supersedes the previous editions published in 2009, 2005, 2001, 1996, 1991, and 1985.This Standard covers ...

DIN 17175 alloy steel pipe is just a big class,and it has many classifivations. We mainly produce DIN 17175 ST35.8,DIN 17175 ST45.8, and 10CrMo910 steel pipes. This alloy steel ...

DIN St 37-3 N steel plate is a kind of carbon structural steel.DIN St 37-3 N steel plate Application:Structural steel is steel construction material, a profile, formed with a s ...

GB 16Mn low alloy high tensile structural steel1)Application Potential: The steel plate of 16Mn is applied to manufacture factory building, civil building and all kinds of engi ...

GB 20# Carbon Steel Weld Neck FlangeThis group of Chinese (GB) standard specifications covers carbon and alloy steel plates and forgings used in boilers and pressure vessels, h ...

GB Q235 ordinary structural carbon steel plate for pipe,flange and pipe fittingsWhat is Q235,The difference between Q235A and Q235B?Ordinary carbon steel – General Board, ...

Haihao Group has successfully completed the production of a significant order for a Russian client, showcasing our expertise in manufacturing high-quality piping components. Th ...

In December, Haihao Group successfully completed an order for a South Korean client, supplying a range of ASME B16.9 pipe fittings made from ASTM A234 WPB material. This shipme ...

ASTM A694 GR. F65 is a high-strength carbon steel material widely used in the manufacturing of flanges, fittings, and other components for high-pressure pipeline systems. This ...

Haihao Group recently completed the delivery of a batch of DIN2605 304L 90° SMLS elbow pipe fittings to a valued client in the Netherlands. This batch, consisting of 160 high-p ...

API 605/ASME B16.47 Series B Welding Neck Flanges Dimensions API 605/ASME B16.47 Series B Welding Neck Flanges Class 75 LBS DimensionsNPSABIHolesCDFEGWeight26″762635 ...

A blind flange is a solid disk used to block off a pipeline or to create a stop. It is machined in the same manner as a regular flange with the mounting holes around the perime ...

ASME B16.47 Series A Slip On Flange DimensionsThe calculated strength from a Slip On flange under internal pressure is of the order of two-thirds that of Welding Neck flanges, ...

Weld neck flange (also known as a high-hub flange and tapered hub flange) is a type of flange. There are two designs. The regular type is used with pipes. The long type is unsu ...

A blind flange is a solid disk used to block off a pipeline or to create a stop. It is machined in the same manner as a regular flange with the mounting holes around the perime ...

Weld neck flange (also known as a high-hub flange and tapered hub flange) is a type of flange. There are two designs. The regular type is used with pipes. The long type is unsu ...

ASME B16.48 Spectacle Flanges DimensionsA spectacle blind is a safety device used to isolate a section of line or piece of equipment when the line or equipment needs to be insp ...

At Haihao Group, we continue to support our global clients with high-quality pipeline components tailored to meet specific project needs. Recently, we successfully delivered a ...

A blind flange is a solid disk used to block off a pipeline or to create a stop. It is machined in the same manner as a regular flange with the mounting holes around the perime ...

Long Neck Welding (abbreviated LWN) flanges are similar to a standard Welding Neck flange, but the “Neck” is considerably longer. This type is often used as a nozzle for a barr ...

Lap Joint Flanges have all the same common dimensions as any other flange named on this page however it does not have a raised face, they used in conjunction with a “Lap Joint ...

ASME B16.5 Plate Flange Dimensions ASME B16.5 – one of ASME’s more popular standards — covers pipe flanges and flanged fittings for flanges with rating class designations ...

ASME B16.5 Slip On Flange Class 150/300 LBS Dimensions The calculated strength from a Slip On flange under internal pressure is of the order of two-thirds that of Welding ...

Socket Weld flanges were initially developed for use on small-size high pressure piping. Their static strength is equal to Slip On flanges, but their fatigue strength 50% great ...

Threaded Flanges are used for special circumstances with their main advantage being that they can be attached to the pipe without welding. Sometimes a seal weld is also used in ...

Weld neck flange (also known as a high-hub flange and tapered hub flange) is a type of flange. There are two designs. The regular type is used with pipes. The long type is unsu ...

DIN 2501 PN16 PLATE FLANGENominal Pipe SizeDiameter ofFlange DiaFlange I.DThk of FlangesfDia of Bolt CirlceNo. ofDia of Bolt HolesWeightPLATEBLINDDNPipeDD5B KholesD2KGKG1521.39 ...

Dimension and weight of DIN2502 PN16 Plate FlangeNominal Pipe SizeDiameter of PipeFlange I.DFlange DiaThk of FlangesDia of Bolt CircleNo. of holesDia of Bolt HolesApprox.Weight ...

Dimension and weight of DIN 2503 PN25 (in mm) Plate FlangeNominal Pipe SizeDiameter ofFlange I.DFlange DiaThk of FlangeDia of Bolt CircleNo. ofDia of Bolt HolesApprox.WeightDNP ...

Specification of DIN2527 PN6 Blind FlangeNominal Pipe SizeFlange DimensionScrew ParameterApprox. Flange WeightFlanges DiaThk of FlangeDia of Bolt CircleNo. of holesDia of Bolt ...

Dimension and weight of DIN2627 PN400 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh1d3srh2d4fNo. of Holesd2KG/PCS10 ...

Dimension and Weight of DIN2543 PN16 Flat/Plate/Slip On FlangeRated DiameterO.D. of PipeFlange DimensionScrew DimensionApprox. Flange WeightDNISODINd4DtfKNo. of Holesd2KG/PCS10 ...

Dimension and Weight of DIN2545 PN40 Flat/Plate/Slip On FlangeRated DiameterO.D. of PipeFlange DimensionScrew DimensionApprox. Flange WeightDNISODINd4DtfKNo. of Holesd2KG/PCS10 ...

Dimension and Weight of DIN2565 PN6 Threaded FlangeRated DiameterO.D. Of PipeFlange DimensionNeck SizeParameter of R.F.Screws DimensionApprox. Flange WeightDNd1DIN 2999Dbkh1d3d ...

Dimension and Weight of DIN2566 PN10/PN16 Threaded FlangeRated DiameterO.D. Of PipeFlange DimensionNeck SizeParameter of R.F.Screws DimensionApprox. Flange WeightDNd1DIN 2999Db ...

Dimension and Weight of DIN2567 PN25/PN40 Threaded FlangeRated DiameterO.D. Of PipeFlange DimensionNeck SizeParameter of R.F.Screws DimensionApprox. Flange WeightDNd1DIN 2999Db ...

Dimension and Weight of DIN 2576 PN10 Plate flangeNominal Pipe SizeDiameter of PipeFlange DimensionNuts & BoltsApprox. Flange WeightFlange I.DFlange DiaThk of FlangeDia of ...

Dimension and weight of DIN2628 PN250 Welding Neck FlangePipe Parameterd1 Flange Dimension   Neck Size   Hub Size Screw Approx. Flange WeightDNISODINDbkh1d3srh2d4fNo. of Holesd ...

Dimension and weight of DIN2629 PN320 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh1d3srh2d4fNo. of Holesd2KG/PCS10 ...

Dimension and weight of DIN2630 PN2.5 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh1d3srh2d4fNo. of Holesd2KG/PCS10 ...