Flange
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B16.5 Flange
The term “B16.5 flange” refers to a specific type of flange standard for pipe flanges.
It is governed by ASME B16.5, which is a standard developed by the American Society
of Mechanical Engineers (ASME) for pipe flanges and flanged fittings. This standard covers
dimensions, tolerances, materials, and overall design of flanges, including pressure-temperature
ratings and sizes. B16.5 flanges are commonly used in various industries and applications where piping
systems require secure and leak-proof connections.
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GOST 12820-80 12821-80 China Factory Supply Flange Stainless Carbon Steel Flange
Flanges of welding neck, socket welding, threaded, blind, slip on, etc.
Material: Stainless steel 304/304L,316/316L,321,ect. Carbon steel A105/Rst37.2/C22.8/Q235, etc.
Size:1/2″-24″
Pressure:150lbs-2500lbs PN0.6-PN16.0
Facing:RF/RJ/ FF/MF/TG/
Standard:BS4504/GOST/ANSI(ASME)16.5 16.47/DIN/JIS/UNI/GB…Slip On Weld Flange/Flat Welded Flange with Neck
Slip on weld fange can be slid onto a pipe and then welded in place.It is made of carbon steel,alloy steel,and stainless steel.The industrial processes come into die forging,and machining,We can provide a wide range of slip-on weld flanges,following on standards like GOST33259,GOST12821/GOST12820,BS4504, ASME B16.5,ASME B16.47,DIN 2634,DIN 2636,JIS,UNI,…and so on.
SIze of slip on weld flange
Slip on weld flange: 3/8″~40″
DN10~DN1000
Pressure
American Series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500
European Series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400
Flange Facing Types
American Series:Flat Face (FF), Groove (G), Ring Joints Face(R)
Butt welding flange/Weld Neck Flange/WN Flange
It refers to a flange with a neck and a round pipe transition and butt welding connection with the pipe. We produce ASME B16.5 butt welding flanges, GOST12820, GOST12821, GOST33259, BS4504,ASME B16.47 butt welding flanges, DIN 2631 butt welding flanges Welding flanges, DIN 2637 butt welding flanges, DIN 2632 butt welding flanges, DIN 2638 butt welding flanges, DIN 2633 butt welding flanges, etc. Welding flanges are suitable for pipelines with large fluctuations in pressure or temperature or high temperature, High pressure and low temperature pipelines are also used for pipelines that transport expensive, flammable and explosive media. Butt welding flanges are not easily deformed, have good sealing, and are widely used.
Size
Butt welding flange: 3/8″~160″
DN10~DN4000
pressure
American series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500
European series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400
Flange sealing surface type
American series: flat surface (FF), raised surface (RF), grooved surface ( G), Concave and convex surface (MFM), Ring connection surface (RJ)
Blind Flange
Blind flanges are made of carbon steel,stainless steel and alloy steel,etc.They are used to seal or block off a pipe, like a cover or cap. We can provide a wide range of blind flanges,in accordance to standards like GOST33259,GOST12821/GOST12820,BS4504, ASME B16.5,ASME B16.47,DIN 2634,DIN 2636,and so on.
Size
Blind Flange: 3/8″~100″
DN10~DN2500
Pressure
American Series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500
European Series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400
Flange Facing Types
American Series:Flat Face (FF), Raised Face (RF), Groove (G), Female(F), Ring Joints Face(RJ)
Flat Welded Flange/ Plate Flange
These flat welding flanges are GOST33259,GOST12820,GOST12821,BS4504, ASME B16.5 flat welding flange, ASME B16.47 flat welding flange, DIN 2634 flat welding flange, DIN 2635 flat welding flange, DIN 2630 flat welding flange, DIN 2636 flat welding method Flanges, DIN 2631 flat welding flanges, DIN 2637 flat welding flanges, etc. Flanges are parts that connect pipes to each other and are connected to pipe ends. There are holes on the flange, and bolts make the two flanges tightly connected. Gaskets are used to seal between flanges. Flat welding flanges are suitable for steel pipe connections with a nominal pressure not exceeding 2.5MPa. The sealing surfaces of flat welding flanges can be made of smooth, concave-convex and tongue-and-groove types.
Size
Flat welding flange: 3/8″~40″
DN10~DN1000
Pressure
American series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500
European series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400HEBEI CANGRUN PIPELINE EQUIPMENT CO.,LTD.is a professional flange manufacturer and supplier,based in China. we have been manufacturing all types of flanges and pipe fittings,strictly according to ISO9001 quality management system,thus having reliable quality and reasonable price,Also, we offer free samples and a three-year quality warranty,and OEM service is available upon request. We have been engaged in the production of industrial flanges for nearly 20 years. We know how to make a product with an international advanced level. I f you are in need of industrial flanges and pipe fittings,please do not hesitate to contact us at HEBEI CANGRUN PIPELINE EQUIPMENT CO.,LTD .We look forward to working with you
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A105 Flange
he A105 flange is a common type of carbon steel flange that is widely used in various industries for
connecting pipes, valves, and other equipment. It is typically used in high-pressure and high-temperature
applications, and is known for its durability and strength.
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Welding Neck Flange Slip-on Flange Socket-Welding Flange Thread Flange Blind Flange
Flat Welded Flange with Neck
These flat welding flanges are ASME B16.5 flat welding flange, ASME B16.47 flat welding flange, DIN
2634 flat welding flange, DIN 2635 flat welding flange, DIN 2630 flat welding flange, DIN 2636 flat welding
method Flanges, DIN 2631 flat welding flanges, DIN 2637 flat welding flanges, etc. Flanges are parts that
connect pipes to each other and are connected to pipe ends. There are holes on the flange, and bolts make
the two flanges tightly connected. Gaskets are used to seal between flanges. Flat welding flanges are
suitable for steel pipe connections with a nominal pressure not exceeding 2.5MPa. The sealing surfaces of
flat welding flanges can be made of smooth, concave-convex and tongue-and-groove types.
Size
Flat welding flange: 3/8″~40″
DN10~DN1000
pressure
American series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS
2500
European series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN
400
flange
sealing MFM)
We are a professional flat welding flange manufacturer and supplier in China. We have been engaged in
the production of industrial flanges for nearly 20 years. We know how to make a product with an
international advanced level. Welcome to consult us for more detailed information. We guarantee to provide
products and OEM services that you can trust! -
DIN GOST BS ASME B16.5 ANSI Stainless Steel SS304 316L 316 150lb 8″ 24′′ Stainless Steel Flange Weld Neck Flange
Product Description
JIS En1092 DIN GOST BS ASME B16.5 ANSI Uni SABS Stainless Steel SS304 316L 316 150lb 8″ Stainless Steel Flange Weld Neck FlangeProduct Description1.Material: Stainless steel 304/304L,316/316L,321,ect. Carbon steel A105/Rst37.2/C22.8/Q235, etc.
2.Size:1/2″-24″
3.Pressure:150lbs-2500lbs PN0.6-PN16.0
4.Facing:RF/RJ/ FF/MF/TG/
5.Standard:ANSI(ASME)16.5 16.47/DIN/JIS/UNI/…
6.Flanges of welding neck, socket welding, threaded, blind, slip on
7. Production process : raw material–cutting–heating–forging–heat treatment–maching–inspection.-washing-ex-working.
Flat Welded Flange/Plate Flange
These flat welding flanges are ASME B16.5 flat welding flange, ASME B16.47 flat welding flange, DIN 2634 flat welding flange, DIN 2635 flat welding flange, DIN 2630 flat welding flange, DIN 2636 flat welding method Flanges, DIN 2631 flat welding flanges, DIN 2637 flat welding flanges, etc. Flanges are parts that connect pipes to each other and are connected to pipe ends. There are holes on the flange, and bolts make the two flanges tightly connected. Gaskets are used to seal between flanges. Flat welding flanges are suitable for steel pipe connections with a nominal pressure not exceeding 2.5MPa. The sealing surfaces of flat welding flanges can be made of smooth, concave-convex and tongue-and-groove types.
Size
Flat welding flange: 3/8″~40″
DN10~DN1000
Pressure
American series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500
European series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400 -
Manufacturer for F304 Stainless Steel Flange Blind Flange
Manufacturer for F304 Stainless Steel Flange Blind Flange
Blind Flange
Blind flanges are made of carbon steel,stainless steel and alloy steel,etc.They are used to seal or block
off a pipe, like a cover or cap. We can provide a wide range of blind flanges,in accordance to standards like
ASME B16.5,ASME B16.47,DIN 2634,DIN 2636,and so on.
Size
Blind Flange: 3/8″~100″
DN10~DN2500
Pressure
American Series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS
2500
European Series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320,
PN 400
Flange Facing Types
American Series:Flat Face (FF), Raised Face (RF), Groove (G), Female(F), Ring Joints Face(RJ)
HEBEI CAGNRUN PIPELINE EQUIPMENT CO.,LTD,is an ISO9001:2000 approved manufacturer of
blind flange .We are located in Cangzhou City, Hebei Province, where we have access to complete
infrastructure facilities. The logistic is quite low here.
1.Material: Stainless steel 304/304L,316/316L,321,ect. Carbon steel A105/Rst37.2/C22.8/Q235, etc.
2.Size:1/2″-24″
3.Pressure:150lbs-2500lbs PN0.6-PN16.0
4.Facing:RF/RJ/ FF/MF/TG/
5.Standard:ANSI(ASME)16.5 16.47/DIN/JIS/UNI/…
6.Flanges of welding neck, socket welding, threaded, blind, slip on, lap joint are in accordance with ANSI 16.5 from 1/2″ to 24″ and classes 150 to 2500 (complete range).
7. Production process : raw material–cutting–heating–forging–heat treatment–maching–inspection.-washing-ex-working.
8. Certificate :ISO9001-2008
9. Used for : linepipe, heat exchanger, petroleum,chemical,power,gas,water,shipbuilding,construction,etc.
10.Blind, slip on, welding neck flanges are from 6 Bar to 40 Bar in accordance with DIN.
11.Flanges from 1/2″ to 48″ and up to 450 lbs are in accordance with BS10 Table D & Table E, BS Table F & Table H, BS Table J & Table K.
12.Flanges from 2kg to 210 kg are in accordance with JIS.
13.Flanges according to API 605/ASME B16.5/ASME B16.47
14.Depending on special purposes, flanges can be manufactured in different shapes and sizes
15. Excellent and high quality control.
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ANSI/DIN/GOST/En A105 304L 316L Weld Neck/Slip on/Blind/Plate/Flate Flange Forged Steel Pipe Flange
Product Description
ANSI/DIN/GOST/En A105 304L 316L Weld Neck/Slip on/Blind/Plate/Flate Flange Forged Steel Pipe FlangeProduct Description1.Material: Stainless steel 304/304L,316/316L,321,ect. Carbon steel A105/Rst37.2/C22.8/Q235, etc.
2.Size:1/2″-24″
3.Pressure:150lbs-2500lbs PN0.6-PN16.0
4.Facing:RF/RJ/ FF/MF/TG/
5.Standard:ANSI(ASME)16.5 16.47/DIN/JIS/UNI/…
6.Flanges of welding neck, socket welding, threaded, blind, slip on, lap joint are in accordance with ANSI 16.5 from 1/2″ to 24″ and classes 150 to 2500 (complete range).
7. Production process : raw material–cutting–heating–forging–heat treatment–maching–inspection.-washing-ex-working.
8. Certificate :ISO9001-2008
9. Used for : linepipe, heat exchanger, petroleum,chemical,power,gas,water,shipbuilding,construction,etc.
10.Blind, slip on, welding neck flanges are from 6 Bar to 40 Bar in accordance with DIN.
11.Flanges from 1/2″ to 48″ and up to 450 lbs are in accordance with BS10 Table D & Table E, BS Table F & Table H, BS Table J & Table K.
12.Flanges from 2kg to 210 kg are in accordance with JIS.
13.Flanges according to API 605/ASME B16.5/ASME B16.47
14.Depending on special purposes, flanges can be manufactured in different shapes and sizes
Flat Welded Flange/Plate Flange
These flat welding flanges are ASME B16.5 flat welding flange, ASME B16.47 flat welding flange, DIN 2634 flat welding flange, DIN 2635 flat welding flange, DIN 2630 flat welding flange, DIN 2636 flat welding method Flanges, DIN 2631 flat welding flanges, DIN 2637 flat welding flanges, etc. Flanges are parts that connect pipes to each other and are connected to pipe ends. There are holes on the flange, and bolts make the two flanges tightly connected. Gaskets are used to seal between flanges. Flat welding flanges are suitable for steel pipe connections with a nominal pressure not exceeding 2.5MPa. The sealing surfaces of flat welding flanges can be made of smooth, concave-convex and tongue-and-groove types.
Size
Flat welding flange: 3/8″~40″
DN10~DN1000
Pressure
American series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500
European series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400 -
Stainless Steel Fitting Pipe Flange Weld Neck Flange Pipe Flange Forged Flange
Product Description
Material304/304L, 316/316L, etcWall ThicknessSCH10, SCH20, SCH40, SCH80, SCH120, SCH160, STD, XS, XXSSize Range1/2 to 4 (DN15–DN100)StandardASME/ANSI B16.9, MSS SP-43, DIN 2605, JIS B2313Surface TreatmentBlack paint, Antirust oli, Primary ColorPackagingPlywood cases or pallets or according to the requirements of the CustomersApplications RangePetroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc.Special DesignAvailableCustomized SizeAvailablePackaging & Delivery
Package Size10.00cm * 10.00cm * 1.00cmPackage Gross Weight1.000kgProduct Description
WE PRODUCE FORGED FLANGES
Specification
Product Name flange(304/F304 Pipe Fitting Wn RF/Rtj/FF ANSI/JIS/DIN/API 6A Cl150/Pn10/Pn16 Forged Stainless Steel Weld Neck Pipe Flange) Size 1/2″-110″, biggest outside diamater can be up to 6000mm Pressure 150#-2500#,PN0.6-PN400,5K-40K,API 2000-15000 Standard ANSI B16.5,EN1092-1, SABA1123, JIS B2220, DIN, GOST,UNI,AS2129, API 6A, etc. Wall thickness SCH5S, SCH10S, SCH10, SCH40S,STD, XS, XXS, SCH20,SCH30,SCH40, SCH60, SCH80, SCH160, XXS and etc. Material Stainless steel: A182F304/304L, A182 F316/316L, A182F321, A182F310S, A182F347H, A182F316Ti, 317/317L, 904L, 1.4301, 1.4307, 1.4401, 1.4571,1.4541, 254Mo and etc. Carbon steel: A105, A350LF2, S235Jr, S275Jr, St37, St45.8, A42CP, A48CP, E24 , A515 Gr60, A515 Gr 70 etc.
Duplex stainless steel: UNS31803, SAF2205, UNS32205, UNS31500, UNS32750 , UNS32760, 1.4462,1.4410,1.4501 and etc. Pipeline steel: A694 F42, A694F52, A694 F60, A694 F65, A694 F70, A694 F80 etc.
Nickel alloy: inconel600, inconel625, inconel690, incoloy800, incoloy 825, incoloy 800H,C22, C-276, Monel400, Alloy20 etc. Cr-Mo alloy: A182F11, A182F5, A182F22, A182F91, A182F9, 16mo3,15Crmo, etc.
Application Petrochemical industy;avation and aerospace industry;pharmaceutical industry;gas exhaust;power plant;ship buliding;water treament,etc. Advantages ready stock,faster delivery time;available in all sizes,customized;high quality -
ANSI B 16.5 RF 150lb Carbon Stainless Steel Class 150 Forged Weld Neck Flange
Pressure Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Plate Fabricated Flanges Flanges Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Welding Plate Flanges UNI 6Bar 10Bar 16Bar 25Bar 40Bar Plate Blank Flanges EN 6Bar 10Bar 16Bar 25Bar 40Bar Square Plate Flange Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Types Forged / Threaded / Screwed / Plate Test Certificates EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc Plate Flange Technique Forged, Heat treated and machined Product Description
Difference between flat welding flange and butt welding flangeWelding method
In the name we can clearly see the difference between the two: flat welding and butt welding. Specifically, the pipe diameter and wall thickness of the joint end of the flat welding flange are the same as the pipe to be welded, and they are welded together in a flat way. The butt welding flange is a recess with a slightly larger diameter than the outer diameter of the pipe. The pipe is inserted in the socket and then welded.
On materials
Compared with Ningbo butt-welded flanges, flat-welded flanges are simpler in structure, use less material, and have less rigidity and tightness than butt-welded flanges. Generally, it is mainly used in the connection of medium and low pressure vessels and pipelines.
3. Processing
The butt welding flange adopts a punching die to punch into a half-ring elbow or a casting mold to directly cast into a half-ring elbow, and then two half-ring elbows are welded in groups. The flat welding flange uses a gasket, which is a ring made of a material that can produce plastic deformation and has a certain strength.
Company Service & Our Advantages
1. Q: Are you a factory or a trading company? A: We are a manufactor of Forged Flange. Also, we have many qualified cooperated mills to supply flange Fittings and Pipes. We also do OEM for europe mills for long time.
2.Q: How can you ensure the quality?A:Quality as our most imfortant point in our business. And ensure that all the raw materials are 100% inspected absolutely according to our customers’ request. We inspect chemical composition for every lot of our material , and supply the record to issue the 3.1 Quality Certificate. We can provide the 3.1 Quality Certificate together with the shipping documents if you need.
3.Q:How long would be the delivery?A: Factory direct sales, We offer goods in Fastest Delivery time as we can according to the quantity and request.
4.Q: How about the packing?
A: Wooden Pallet or Wooden box as per customers’ requirements. -
B16.5 Duplex 2205 Stainless Steel Weld Neck Flange Blind Flange
Product Description
STAINLESS STEEL FLANGES / class 150 flange ,A182 F12 steel flanges ,A182 F11 steel flanges ,
A182 F51 steel flanges ,A182 F91 steel flanges,A182 F22 steel flanges ,s31803 stainless steel flange manufacturer,2205 stainless steel flange supplier In China ,,,ASTM B16.5 Duplex 2205 4″ sch 40s Stainless steel Long Neck Weld Raised Face flange
FLANGE STANDARD PRESSURE RATING TYPE FACING MATERIAL ANSI B16.5 CLASS 150 300 400 600 900 1500 2500 LBS SO WN SW TH LJ BL LWN RF FF RTJ
etcASTM SA105/105N A350 LF2 CL1/CL2 A694 F45/52/65, s235jr C22.8;
A182 F304/304L A182 F316/316L A182 F317L A182 F310 F321 F347;
A182 F5 F9 F11 F51 F53 F55 F60 F304H F316H F317H, C276 INCONLE 600 625; and etc..ANSI B16.47-A MSS CLASS 150 300 400 600 900 LBS WN BL ANSI B16.47-B API CLASS 75 150 300 400 600 900 LBS ANSI/ASME B16.36 CLASS 300 400 600 900 1500 2500 LBS ORIFICE ANSI/ASME B16.48 CLASS 150 300 400 600 900 1500 2500 LBS FIG.8 SPACER AND BLANK SPECTACLE AWWA C207 CLASS B & D TABLE 2/3, CLASS E TABLE 4 SO PL BL EN 1092-1 PN 2.5 6 10 16 25 40 63 100 160 250 320 400 PL LOO BL WN SO TH BS 4504 PN 2.5 6 10 16 25 40 PL WN TH BL SO DIN PN 6 10 16 25 40 PL WN TH BL LOO SO UNI PN 6 10 16 25 40 PL WN TH BL LOO SABS/SANS 1123 CLASS 600 1000 1600 2500 4000 KPA WN PL TH SO BL JIS B2220/KS 5K 10K 16K 20K 30K 40K SOP/PL SOH/SO BL GOST PN 1 1.6 2.5 4 6.3 10 PL WN BL AS TABLE D E F H PL SO BL -
RTJ Flange
“RTJ” stands for “Raised Face, Tongue, and Groove” flange. It is a type of flange used in
piping systems to connect pipes, valves, and other equipment. The raised face provides a seal
when the flange is bolted to another flange, and the tongue and groove design helps to align the flanges during assembly.
RTJ flanges are commonly used in high-pressure and high-temperature applications.
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Class150 Welding Neck Wn Flat Plate Threaded Blind Carbon Pn16 Stainless Steel Forged Flange
Product Description
Flange welding neck Material carbon steel and stainless steel (ASTM A105, Q235, SS304, SS316, SS304L, SS316L) Standard ANSI B16.5, JIS, DIN, EN1092 Techonology forged Size DN15-DN600 Type slip-on, lap joint, welding neck, socket welding, threaded, blind. Pressure 150LBS, 300LBS, 600LBS, 900LBS, 1500LBS… Treatment anti-rust oil, black painting, yellow painting … Wall sickness sch40, sch80… Face type: FF, RF, LJ, RTJ, TG. Usage the flanges are used for the connection of tubes that transport water, oil, gas, etc. a) How can I get more details about your products?
You can send an email to our email address. We will provide catalogue and pictures of our products for your reference.We can also supply pipe fittings, bolt and nut, gaskets etc. We aim to be your piping system solution provider.
b) How can I get some samples?
If you need, we will offer you samples for free, but new customers are expected to pay express charge.
c) Do you provide customized parts?
Yes, you can give us drawings and we will manufacture accordingly.
d) To which country have you supplied your products?
We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru , Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.).
e) I can’t see the goods or touch the goods, how can I deal with the risk involved?
Our quality management system conforms to the requirement of ISO 9001:2015 verified by DNV. We are absolutely worth your trust. We can accept trial order to enhance mutual trust.