Socket Weld Flange

Socket Weld Flange
Description
Socket Weld flanges were initially developed for use on small-size high pressure piping. Their static strength is equal to Slip On flanges, but their fatigue strength 50% greater than double-welded Slip On flanges.
The connection with the pipe is done with 1 fillet weld, at the outside of the flange. But before welding, a space The purpose for the bottoming clearance in a socket weld is usually to reduce the residual stress at the root of the weld that could occur during solidification of the weld metal. The image shows you the X measure for the expansion gap.
The disadvantage of this flange is right the gap, that must be made. By corrosive products, and mainly in stainless steel pipe systems, the crack between pipe and flange can give corrosion problems. In some processes this flange is also not allowed. I am not an expert in this matter, but on the internet, you will find a lot of information about forms of corrosion.
Also for this flange counts, that principle always firstly a pipe must be welded and then just a fitting.
Specification
1.  Socket Weld Flange
2.  Material: carbon steel, stainless steel, alloy steel
3.  Size:  1/2"~24"
4.  Pressure: 150 Lbs to 2500 Lbs
5.  Standard: ANSI,JB,DIN
Application:
To connecting pipes, or pipe fittings and form a piping system in petro or chemical industry
1. Socket weld flange 2. Filled weld
3. Pipe    X = Expansion gap