Dimensions ASME B16.5 Stainless Steel SS SW Socket weld Flanges (1600724763166)

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Product Overview


ASME/ANSI B16.5 Stainless Steel Raised Face Socket Weld Pipe Flange

Products Description

Socket weld flange simplified as SW flange, it has a recessed area (like a shoulder) in the flange bore, this shoulder serves as a guide to set the depth of the pipe that inserted to the flange. Socket welding flange initially designed for high pressure small diameters piping system.

How to Use
Insert the pipe end into socket weld flange, until the pipe bottom touch the shoulder area, pull back 1.6mm (1/16'') distance of the inserted pipe then do fillet welding. The point is to create a expansion gap (1 fillet weld) between the flange and the pipes or fittings.

How is Socket Welding Flange Generated
The socket welding flange was firstly to use for stainless steel superheater, due to avoid cracking defects caused by thermal stresses in heating processes, and after years development it became a standard applications for all types of material.

Socket Welded Flange Face Types
Socket welded flange inlcuding RF type and RTJ type, which like other types of welding flanges (slip on, weld neck or blind flange).

RF Type
RF socket weld flange has a small portion surrounding the flange bore that protrudes from the face. Gasket seat will be placed in this raised area.
RTJ Type
On the raised face surface there has a groove is RTJ type, which you can place a gasket ring to get better sealing performances.

Socket Weld Flange vs Slip On Flange
Socket welded flange shape is similar to slip on flange, differently it has a shoulder at the inner bore.

Socket weld flange static strength is equal to slip on flange, but it's fatigue strength is 50% higher than the double welded slip on flange.

1/2″ to 48″ DN10~DN5000
Flange Standards
Pressure Rating
Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
ANSI B16.5
6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
6Bar 10Bar 16Bar 25Bar 40Bar
6Bar 10Bar 16Bar 25Bar 40Bar
Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Test Certificates
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique
Forged, Heat treated and machined
Weld Neck, Blind, Slip-On, Socket-Weld, Threaded, Orifice, Spectacle Blinds
Uses & application
Bitumen upgraders.
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.

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Production process



Product packaging

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Company Profile


Q. Do you accept OEM service?
A: Yes, we do.

Q. Can I get free samples?
A: Yes, And you only need to bear the delivery costs, if the samples are not too big.

Q. Can I have my own Logo on the product?
A: Yes, we're the professional manufacturer, so the OEM service is available.

Q.What information should I let you know if I want to get a quotation?
A: Size, design standard, material, package, Quantities, etc...

Please send us some pictures and designs for checking if possible so we can do best as your request. Otherwise, we will recommend relevant products with details for your reference.

Q: What is your terms of delivery?
A: We accept EXW,FOB,CIF,etc. You can choose the one which is the most convenient for you.

Q: What's the package and how do you ship the goods?
A: Usually is wood pallet as your requst. We usually ship by sea.
Airline shipping is also optional.

0.0179 s.