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Slip-on pipe flange

Size: 1/2”~96”

Pressure Rating: PN10-PN100,150LB-600LB,10K-20K

Material: Q235, SS304,SS316, SS304L, SS316L

Design Standard: ANSI/ASME B16.5, BS4505, DIN2576,DIN2632,EN1092, JIS/KS

Application medium: For Water, Oil and Gas Industrial

Application Temperature: 0-500℃

Applied projects: Pipe connection

Pipe fittings as the mandatory accessories in pipeline, WESDOM also could provide wide range of standard and materials to match your pipes and valves. One stop service, save your time, save your Slip-on pipe flange generally slide on the pipe. Socket-type pipe flanges are usually made with the inner diameter of the pipe flange slightly larger than the outer diameter of the pipe. This allows the sliding flange to slide over the pipe.


Product details

Slip-on pipe flange generally slide on the pipe. Socket-type pipe flanges are usually made with the inner diameter of the pipe flange slightly larger than the outer diameter of the pipe. This allows the sliding flange to slide over the pipe.

Slip-on pipe flange flanges are welded (usually internal and external) to provide strength and prevent leakage.

Slip-on pipe flange are generally preferred by users over butt weld flanges because they are less expensive than butt weld flanges.

Slip-on pipe flange are available in raised face, flat face, and orifice configurations.

Slip-on pipe flange are widely used in shipbuilding, power generation, petrochemical plants, oil refineries, wastewater treatment plants, paper mills, pharmaceutical plants and turnkey projects.

Forged flange: A flange is a rib or rim used for strength, guiding or attachment to another object such as a pipe,steam cylinder,pressure vessel,etc.Pipes,tubes or vessels can be easily assembled or disassembled by using it. Besides,flanges are fit to many other compenonts,such as valves,wheels,bellows. In different projects and designs,flanges are used in different types,commonly including:

Welding neck flanges (WN FLANGES), Slip-on flanges (SO FLANGES), Plate flanges (PL FLANGES),etc.

We have the following materials for the flanges:

Carbon steel: ASTM A105,ASTM A105N,GB 20,C22.8. Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911

Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H

Low temperature steel: ASTM/ASME A402 WPL 3-WPL 6

High performance steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70

Our flanges are usually according to different standards for different customers and projects:

America standard: ANSI B16.5,ANSI B16.47,ETC.

German standard: DIN 2573/DIN 2576/DIN 2631/DIN 2632/DIN 2633/DIN 2634/ DIN2635/DIN 2527 Japen standard: JIS B2220

Europe standard: BS4504/BS 10/UNI 2276 UNI 2277/UNI 2278/ UNI 6089/UNI 6090/EN 1092.


Brand Name
Product name
ASME B16.5 cl 150 Stainless Steel Stub End Flange rf Lap Joint Flange
Flange Type
Lap Joint Flange
Stainless Steel 304/316/304L/316L


Stainless Steel Flanges Series
Overview Quick Details
Product name: Stainless Steel Seamless/Welded Reducer
Model Number: Welding Neck Flange Technics: Forged/Casting
Connection: Welded Type: PL,WN,SO,BL,FF,RF..
Standard: ASTM A312,ANSI B16.9,EN ,DIN ,GOST ,JIS….
Size: 1/2″-36″  DN15-DN900 Surface: Rust-proof oil, Galvanized
Pressure: PN6-PN250/CL150-CL1500 Special Design: Produce according to your drawings required
Application: Petroleum, gas, chemical,metallurgy, construction Package: Plywood cases or Pallets
Product Description
Product name: Stainless Steel SS304 SS316 Butt Weld Welding Neck Pipe Flange
Size: From 1/2″ to 36″  DN15-DN900
Pressure: PN6-PN250/CL150-CL1500
Standard: ASTM A312,ANSI B16.9,EN ,GB, DIN ,GOST ,JIS304/304L,316/316L,904L TP321,TP317/317H…
Surface: Rust-proof oil, Galvanized
Application: Petroleum, gas, chemical,metallurgy, construction
Package: shrink wrapped-carton-pallet or in seaworthy wooden cased,or as request
Remark: Special design is available as customers’ requirement


Flange Dimensions:

As with pipes, it was necessary to standardise the dimensions of the various flange types depending upon requirements i.e. the service conditions they are likely to encounter. Standardisation also facilitates easier communication between relevant parties (designer, manufacturer etc.), with a reduced likelihood of error.

Typical Flange Dimensions

Project case

Pakistan Cardboard Factory

Main products:

DIN SS316 seamless pipes, DIN SS316 fittings, DIN SS316 flanges, SS knife gate valves, SS316 ball valves

Project description:

This customer is the owner of a cardboard factory in Pakistan. The factory needs a lot of pipe fittings and valves. He also compared more than a dozen valve companies online, and then was deeply moved by the professional expression and enthusiasm of the business personnel of the WESDOM international department in final. And they choose to cooperate with WESDOM. Although it is the first time to cooperate with each other, but the final customer also gave us a high evaluation, WESDOM is very good!

Project pictures:


wesdom gate valve

Product packaging and transportation



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