Jinan Hyupshin Flanges Co., Ltd produce ANSI B16.5 flanges, B16.47 flanges, AWWA C207 flanges, BS 4504 flanges, BS T/D flanges, DIN flanges, EN 1092-1 flanges, JIS flanges, GOST 12820-80 flanges, GOST 12821-80 flanges, SABS 1123 flanges, SANS 1123 flanges, UNI flanges, KS B1503 flanges, ISO 7005 flanges, NS flanges, AS flanges, Korean KS mark flanges, Korean KS certificate flanges, carbon steel, stainless steel, mild steel, forging flanges, forged flanges, galvanizing flangesJinan Hyupshin Flanges Co., Ltd, Slip On flanges, Slip On FF flange, Slip On RF flanges, SOFF flanges, SORF flanges, Welding Neck flanges, Weld Neck flanges, Welded Neck flanges, WNRF flanges, Blind flanges, Blank flanges, Plate flanges, Flat flanges, FF flanges, Slip on Bossed flanges, Plain flanges, Plane flanges, Raised Face flanges, Flat Face flanges, Threaded flanges, Screwed flanges, Loose flanges, Lapped flanges, Lap Joint flanges, LJ flanges, Socket Weld flanges, SW flanges, BS PT flanges, BS PT threaded screwed flanges, 150lbs flanges, 300lbs flanges, 600lbs flanges, PN6 flanges, PN10 flanges, PN16 flanges, PN25 flanges, PN40 flanges, 5K flanges, 10K flanges, 16K flanges, 20K flanges, 30K flanges, 40K flanges, SOP FF flanges, SOP RF flanges, SO HUB flanges, SOH flanges, SOH RF flanges, SOH FF flanges, SS400 flanges, SF440A flanges, SF390A flanges, C22.8 flanges, A105 flanges, S235JRG2 flanges, RST37-2 flanges, SA A105N flanges, RST37.2 flanges, P235GH flanges, P245GH flanges, P250GH flanges, P265GH flanges, Q235B flanges, A36 flanges, A350 LF flanges, 20# steel flanges, 16Mn flanges, 20Mn flanges  
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HOME > PRODUCTS CENTER > PIPE FLANGES
What is Pipe Flange
A pipe flange is disc, collar or ring that attaches to pipe with the purpose of providing increased support for strength, blocking off a pipeline or implementing the attachment of more items.  Pipe flanges are usually welded or screwed to the pipe end and are connected with bolts.  A gasket is inserted between the two mating flanges to provide a tighter seal.  Pipe flanges are either custom with dimenions provided by the customer or they are manufactured according to published specifications.  Several organizations and associations have published specifications that provide dimensional information as well as pressure specifications at different temperatures.  Hyupshin Flange manufactures custom flanges and stocks 6 basic types of pipe flanges.  Although, these are the 6 most common types of pipe flanges, Hyupshin Flange is a custom flange manufacturer as well and is able to create just about any type of flange necessary for your requirements.  Please click on one of the following pictures for a more detailed description of the pipe flanges you are interested in.  In the Blog there are some articles that provides a better understanding of how the pipe flanges are connected to the pipe.
The standards of pipe flanges and fittings with ANSI, DIN, UNI, BS, JIS, KS, GOST, SABS etc.
Pipe Flange's Types

Jinan Hyupshin Flanges Co., Ltd  
SLIP ON PLATE FLANGE RAISED FACE / FLAT FACE [ Enquiry ]

Slip-on plate pipe flange actually slip over the pipe. The pipe flanges are typically made with an inside diameter of the pipe flange slightly larger than the outside diameter of the pipe. This allows the flange to slip over the pipe but to still have a somewhat snug fit. Slip-on pipe flanges are secured to the pipe with a fillet weld at the top and the bottom of the slip-on pipe flanges. These pipe flanges are also further catagorized as a ring. Ring pipe flanges and hub pipe flanges are both considered slip on pipe flanges because they both slip over the pipe. Slip on Pipe flanges with a hub have published specifications that range from 1/2" thru 80". Slip on pipe flanges that consist of a flat ring have published specificiations that range from 1/2" thru 80". Hyupshin Flanges provides Slip-On plate pipe flanges in all material grades, specifications and sizes.
     
Jinan Hyupshin Flanges Co., Ltd  
SLIP ON HUB (BOSSED) FLANGE RAISED FACE / FLAT FACE [ Enquiry ]

Slip-on hub pipe flange actually slip over the pipe. The pipe flanges are typically made with an inside diameter of the pipe flange slightly larger than the outside diameter of the pipe. This allows the flange to slip over the pipe but to still have a somewhat snug fit. Slip-on pipe flanges are secured to the pipe with a fillet weld at the top and the bottom of the slip-on pipe flanges. These pipe flanges are also further catagorized as a ring or a hub. Ring pipe flanges and hub pipe flanges are both considered slip on pipe flanges because they both slip over the pipe. Slip on Pipe flanges with a hub have published specifications that range from 1/2" thru 80". Slip on pipe flanges that consist of a flat ring have published specificiations that range from 1/2" thru 80". Hyupshin Flanges provides Slip-On pipe flanges in all material grades, specifications and sizes.
   

 

Jinan Hyupshin Flanges Co., Ltd  
WELDING NECK FLANGE [ Enquiry ]

Weld neck pipe flanges attach to the pipe by welding the pipe to the neck of the pipe flange.  The allows for the transfer of stress from the weld neck pipe flanges to the pipe itself.  This also reduces high stress concentration at the base of the hub of the weld neck pipe flanges.  Weld neck pipe flanges are often used for high pressure applications.  The inside diameter of a weld neck pipe flange is machined to match the inside diameter of the pipe.  Weld Neck Pipe flanges with a hub have published specifications that range from 1/2" thru 80".  Hyupshin Flange provides Weld Neck pipe flanges in all material grades, specifications and sizes.
     
Jinan Hyupshin Flanges Co., Ltd  
BLIND FLANGE (BLANK FLANGE) RAISED FACE / FLAT FACE [ Enquiry ]

Blind pipe flanges are pipe flanges used to seal the end of a piping system or pressure vessel openings to prevent flow. Blind pipe flanges are commonly used for pressure testing the flow of liquid or gas through a pipe or vessel. Blind pipe flanges also allow easy access to the pipe in the event that work must be done inside the line. Blind pipe flanges are often used for high pressure applications. Slip on Pipe flanges with a hub have published specifications that range from 1/2" thru 80". Hyupshin Flange provides Blind pipe flanges in all material grades, specifications and sizes.
     
Jinan Hyupshin Flanges Co., Ltd  
LAP JOINT FLANGE [ Enquiry ]

Lap Joint Pipe Flanges slide over the pipe and are most commonly used with Stub End Fittings. A pipe is typically welded to the Stub End and the Lap Joint pipe flange is free to rotate around the stub end. The benefit of this is that there will not be any issues with bolt hole alignment. Lap Joint pipe flanges are often used for applications that require frequent dismantling. Slip on Pipe flanges with a hub have published specifications that range from 1/2" thru 24". Sizes above 24" are produced as lap joints to slip on dimensions. Hyupshin Flange provides Lap Joint pipe flanges in all material grades, specifications and sizes.
     
Jinan Hyupshin Flanges Co., Ltd  
THREADED (SCREWED)FLANGE (ANSI NPT, BSPT etc) [ Enquiry ]

Threaded pipe flanges are similar to slip-on pipe flanges except the bore of threaded pipe flange has tapered threads. Threaded pipe flanges are used with pipes that have external threads. The benefit of these pipe flanges is that it can be attached without welding. Threaded pipe flanges are often used for small diameter, high pressure requirements. Slip on Pipe flanges with a hub have published specifications that range from 1/2" thru 24". Hyupshin Flange provides Slip-On pipe flanges in all material grades, specifications and sizes.
     
Jinan Hyupshin Flanges Co., Ltd  
SOCKET WELD FLANGE [ Enquiry ]

Socket-weld pipe flanges are typically used on smaller sizes of high pressure pipes. These pipe flanges are attached by inserting the pipe into the socket end and applying fillet weld around the top. This allows for a smooth bore and better flow of the fluid or gas inside of the pipe. Slip on Pipe flanges with a hub have published specifications that range from 1/2" thru 24". Hyupshin Flange provides Socket Weld pipe flanges in all material grades, specifications and sizes.
           
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O-Ring Flange, RTJ Flange
Special Flange, Custom Flange
Hot Dipped Galvanized Flange
Electro (Cold) Galvanized Flange

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Jinan Hyupshin Flanges Co., Ltd

Pingpu Road, Niupai, Mingshui,
Zhangqiu City, Shandong,
China, 250200

Tel: +86 531 832 977 28
Fax: +86 531 832 918 78

Email:sale@hyupshin.cn
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