Producs: Butt weld pipe fitting; Forged steel pipe fitting; Flanges; Steel pipes; Pre-Fabrications; Coated and insulated piping

Our company: Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.

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Flanges

At Haihao, we manufacture and stock a lot range of steel piping products . These products include: Steel pipes, Pipe fittings; Forged flanges , in various specifications and materials (Carbon steel ,Alloy steel ,Stainless steel.)

Flange Type

Flange Standard

Flange Material

Flange Dimension

Flange Type

JIS B2220 Weld Neck Flange ...

aJIS B2220 weld neck flange | JIS B2220 flange products | JIS B2220 flange manufacturer-Haihao GroupHaihao Group manufacture JIS B2220 flanges products in high quality(The introduce about JI ...

Lap Joint Flange,Loose Flange,Slip on flange with Stub End ...

Stainless Steel Lap Joint FlangeLap Joint Flange Definition and DetailsLap joint flanges have all the same common dimensions as any other flange named on this page however it does not have a ...

Long Weld Necks Flange,Intergal Flange ...

Long weld neck flanges(abbreviated LWN) are similar to a standard welding neck flange,but the “neck” is considerably longer.This type is often used as a nozzle for a barrel or co ...

Orifice Flange ...

Orifice FlangeOrifice Flanges Definition:Orifice Flanges are used with orifice meters for the purpose of measuring the flow rate of either liquids or gases in the respective pipeline. Pairs ...

Reducing Flange ...

Stainless Steel Reducing FlangeReducing flangeReducing flanges are suitable for changing line size, but should not be used if abrupt transition would create undesirable turbulence, as at pum ...

SCH80S JIS B2220 30K 2INCH A182 F316L Weld Neck Flange ...

SCH80S JIS B2220 30K 2INCH A182 F316L Weld Neck FlangeJIS B2220 weld neck flange also known as a high-hub flange and tapered hub flange.It has two designs.The regular type is used with pipes ...

Socket Weld Flange,Socket Welding Neck Flange,SW Flange ...

Socket Welding Neck FlangeDefinition and Details of Socket Weld Flange:Socket weld flanges were initially developed for use on small-size high pressure piping. Their static strength is equal ...

Spectacle Flange,Spades and Ring-Spacers ...

A spectacle flange is a safety device used to isolate a section of line or piece of equipment when the line or equipment needs to be inspected or removed from service. It is different than a ...

Threaded Flange,Screwed Flange,TH flange ...

Thread Flange With Raised FaceDefinition and Details of Threaded Flange:Threaded flanges are used for special circumstances with their main advantage being that they can be attached to the p ...

Tube-sheet/Tubesheet for heat exchanger ...

tube-sheet-for-heat-exchangerTube sheet is the support for the tubes in the heat exchanger.Size:Diameter (100~3000)mm * Height / thickness (20~180)mmMaterials:Carbon steels, stainless steel ...

UNI 2276 PN6 1inch ASTM A350 LF2 Plate Flange ...

ASTM A350 LF2 plate flange looks like a flat circular disk with inner bore and bolt holes on it.It is one kind of the slip on flange.The ASTM A350 LF2 plate flange slip over the pipe and the ...

Weld Neck Flange,Butt Weld Flange ...

Definition and details of weld neck flangeWeld 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 ...

Weldoflange,Nipoflange ...

Weldoflange, NipoflangeNipoflange Definition and DetailsThe weldoflange and nipoflange is a combination of a welding neck flange and a supposedly weldolet or nipolet. The 2 components are ma ...

Flange Standard

DIN 2642 PN10 Loose (Lapped Joint) Flange Plain Collar ...

DIN2642 PN10 Lapped (Lapped Joint) Flange Plain CollarDimension and weight of DIN2642 PN10 Lapped (Lapped Joint) Flange Plain CollarPipe ParameterFlange DimensionScrew DimensionApprox. Weigh ...

DIN2573 PN6 Plate Flange ...

Dimension and weight of DIN2573 PN6 Plate FlangeDimension and weight of DIN2573 PN6 Plate Flangeominal Pipe SizeDiameter of PipeFlange DimensionNuts & BoltsApprox. Flange WeightFlange I. ...

EN 1092 Circular flanges for pipes,valves,fittings ...

EN 1092 consists of the following four parts:Part 1: Steel flanges;Part 2: Cast iron flanges;Part 3: Copper alloy flanges;Part 4: Aluminium alloy flanges.According to the CEN/CENELEC Interna ...

EN 1759-1 Circular flanges for pipes,valves,fittings,steel flange ...

BS EN 1759-1:2004 standard for a single system of flanges specifies requirements for circular steel flanges in Class designations Class 150 to Class 2 500 and nominal sizes from NPS to NPS 2 ...

GOST 12820 Steel Plane Welded/Plate Flanges ...

GOST 12820 Steel plane welded flangesПроход условный DyPy 0,1 и 0,25 МПа (1 и 2,5 кгс/см2)dнdвbМасса, кгс соединительным выступомс выступомс впадиной10141580,250,250,241518190,290,290,272020 ...

GOST 12821 Steel Butt Welded/Weld Neck Flanges ...

“GOST 12821 flange” international standard pipe flanges of two major systems, namely the German DIN (including the former Soviet Union), on behalf of the European pipe flange sys ...

ISO 7005-1 Metallic Flanges Part 1 Steel Flanges ...

ISO 7005-1:2011 establishes a base specification for pipe flanges suitable for general purpose and industrial applications including,but not limited to, chemical process industries,electric ...

Italy Standard Uni 2278 Pn16 Plate Flange ...

Italy Standard Uni 2278 Pn16 Plate Flange Dimensions ITALY STANDARD UNI 2278 PN16 PLATE FLANGE DIMENSIONS TABLEDirections for the designationd1abDfHolesscrewsWeight*Rated DiameterExtern ...

Italy Standard Uni 6089 Pn10 Lapped Joint/Loose Flange ...

Italy Standard Uni 6089 Pn10 Lapped Flange DimensionsITALY STANDARD UNI 6089 PN10 LAPPED FLANGE DIMENSIONS TABLEDirections for the designationLapped flangesSscrewsWeightRatedDiameterExternal ...

Italy Standard Uni 6090 Pn16 Lapped Joint/Loose Flange ...

Italy Standard Uni 6090 Pn16 Lapped Flange DimensionsITALY STANDARD UNI 6090 PN16 LAPPED FLANGE DIMENSIONS TABLEDirections for the designationLapped flangesSscrewsWeightRatedDiameterExternal ...

JIS B2220 Steel pipe flanges ...

1.ScopeThis Standard specifies steel pipe flanges (hereafter referred to as “flanges”) of nominal size 10A to 1500A for nominal pressure 5K, 10K, 10K light type,16K, 20K and 30K ...

KS B1503 Steel Welding Pipe Flanges ...

KS B1503 FlangeThe measurement of KS B1503 16K blind carbon steel flange DN10-1200For the KS B1503 16K blind carbon steel flange DN10-1200, generally we use the wooden box and wooden pallet ...

UNI 2276 PN6 Plate Flange ...

UNI 2276 PN6 Plate Flange Directions for the designationd1abDfNumber of holesThreading of the screwsWeight*RatedExternal diameterNominalToleranceKgDiameterof the pipe152020,5+0,55510801 ...

Uni 2277 Pn10 Plate Flange Slip On Plate ...

Uni 2277 Pn10 Plate Flange Slip On Plate ITALIAN STANDARDS UNI 2277 PLATE FLANGE PN 10Directions for the designationd1abDfHolesscrewsWeight*RatedExternal diameterNominalToleranceKgDiame ...

Flange Material

Flange Dimension

DIN 2632 PN10 Welding Neck/WN Flange Dimensions ...

Dimension and weight of DIN2632 PN10 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh1d3srh2d4fNo. ofd2KG/PCSHoles10–149014603 ...

DIN 2633 PN16 Welding Neck Flange Dimensions ...

Dimension and weight of DIN2633 PN16 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh1d3srh2d4fNo. ofd2KG/PCSHoles10–149014603 ...

DIN 2634 PN25 Welding Neck Flange Dimensions ...

Dimension and weight of DIN2634 PN25 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh1d3srh2d4fNo. ofd2KG/PCSHoles10–149016603 ...

DIN 2635 PN40 Welding Neck Flange Dimensions ...

Dimension and weight of DIN2635 PN40 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh1d3srh2d4fNo. of Holesd2KG/PCS10–14901660 ...

DIN 2636 PN64 Welding Neck Flange Dimensions ...

Dimension and weight of DIN2636 PN64 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh1d3srh2d4fNo. of Holesd2KG/PCS10–14100207 ...

DIN 2637 PN100 Welding Neck Flange Dimensions ...

Dimension and weight of DIN2637 PN100 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh1d3srh2d4fNo. of Holesd2KG/PCS10–1410020 ...

DIN 2638 PN160 Welding Neck Flange Dimensions ...

Dimension and weight of DIN 2638 PN160 Welding Neck FlangePipe Parameterd1Flange DimensionNeck SizeHub SizeScrewApprox. Flange WeightDNISODINDbkh1d3srh2d4fNo. of Holesd2KG/PCS10–141002 ...

DIN 2642 PN10 Loose (Lapped Joint) Flange Plain Collar Dimensions ...

Dimension and weight of DIN2642 PN10 Lapped (Lapped Joint) Flange Plain CollarPipe ParameterFlange DimensionScrew DimensionApprox. WeightDNISODINDd6bkeNo. of holesd2KG/PCS10–1490161460 ...

DIN 86030 PN16 Hubbed Slip-on Flange For Welding Dimensions ...

Dimension and Weight of DIN86030 PN16 Hubbed Slip-on Flange For WeldingRated DiameterO.D. of PipeFlange ParameterNeck SizeSize of R.F.BoltsApprox. WeightDNd1Dd5bkhd3rd4fNo. ofd2KGholes1017.2 ...

DIN 2573 PN6 Plate Flange Dimensions ...

DIN 2573 PN6 Plate Flange DimensionsDimension and weight of DIN2573 PN6 Plate Flangeominal Pipe SizeDiameter of PipeFlange DimensionNuts & BoltsApprox. Flange WeightFlange I.DFlange DiaT ...

DIN 2655 PN25 Loose (Lapped Joint) Flange Plain Collar Dimensions ...

Dimension and weight of DIN2655 PN25 Lapped (Lapped Joint) Flange Plain CollarPipe ParameterFlange DimensionScrew DimensionFlange WeightDN ISO DIN D d6 b keNo. of holes d2 KG/PCS10– 14 ...

DIN 2656 PN40 Loose (Lapped Joint) Flange Plain Collar Dimensions ...

Dimension and weight of DIN2656 PN40 Lapped (Lapped Joint) Flange Plain CollarPipe ParameterFlange DimensionScrew DimensionFlange WeightDN ISO DIN D d6 b keNo. of holes d2 KG/PCS10– 14 ...

DIN 86029 PN10 Hubbed Slip-on Flange For Welding Dimensions ...

Dimension and Weight of DIN86029 PN10 Hubbed Slip-on Flange For WeldingRated DiameterO.D. of PipeFlange ParameterNeck SizeSize of R.F.BoltsApprox. WeightDNd1Dd5bkhd3rd4fNo. ofd2KGholes1017.2 ...

Producs

Our company

Flanges

At Haihao, we manufacture and stock a lot range of steel piping products . These products include: Steel pipes, Pipe fittings; Forged flanges , in various specifications and materials (Carbon steel ,Alloy steel ,Stainless steel.)

Flange Type

Flange Standard

Flange Material

Flange Dimension