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What do slip-on and socket weld mean respectively? Thank you
socket weld socket welding
slip-on, flat welding, socket weld – socket welding; plug and socket welding
Agree with the view from the third floor: in the pipeline material grade table, SW is used for socket welding, while SO is used for butt welding
SO is mainly used on flanges, referring to butt-welded flanges
The original poster can check the manufacturer’s flange samples; they are quite comprehensive.
socket weld --- socket welding butt weld ------butt welding threaded------threaded (connection)
Who can send a few pictures to illustrate it?
Is this picture comprehensive enough? http://www.specialtyflange.com/images/HotFlanges/images/WeldNeck.gifhttp://www.specialtyflange.com/images/HotFlanges/images/LapJoint.gifhttp://www.specialtyflange.com/images/HotFlanges/images/all-flanges-hot_03.gifhttp://www.specialtyflange.com/images/HotFlanges/images/Blind.gifhttp://www.specialtyflange.com/images/HotFlanges/images/SlipOn.gifhttp://www.specialtyflange.com/images/HotFlanges/images/all-flanges-hot_06.gifhttp://www.specialtyflange.com/images/HotFlanges/images/Threaded.gifhttp://www.specialtyflange.com/images/HotFlanges/images/SocketWeld.gifhttp://www.specialtyflange.com/images/HotFlanges/images/all-flanges-hot_09.gifhttp://www.specialtyflange.com/images/HotFlanges/images/OrificeFlange.gif
SO differs from ordinary flat flanges in that it has a reinforced step on the back side, just like the convex surface on the front side