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Socket weld flanges are a less common but equally effective connection for flanges which require less overall available space than a traditional weld neck flange, with a counterbore in the center to allow for a clean weld of pipe into the socket.
Size :
Size: 1/2”-60”Standard :
ANSI, JIS, DIN, BS,GOSTMaterial :
Stainless Steel (ASTM A182 F304/304L, F316/316L, F321)Pressure :
CLASS 150, CLASS 300, CLASS 600, CLASS 900,CLASS 1500, CLASS 2500, CLASS 3000Face type :
RF, RTJThickness :
Schedule 40 to 160Stainless Steel Socket Weld Flange-WS1
Usually furnished in smaller nominal pipe sizes, these make an excellent alternative to weld necks and slip-ons when necessary. An assembly with limited space may be an instance in which a socket weld is selected, provided the pressure class is comparatively low and the fluid is not corrosive or for extremely high temperature service.
These socket flanges connect to square end pipe with a fillet weld at the ID of the hub of the socket, as the pipe is designed to sit almost flush against the counter bore of the flange. The expansion gap between the end of the pipe and the counter bore leaves just enough space for the welder to adjust the pipe within the connection. It is important to note that a butt weld pipe connection is not recommended for suiting to a socket counter bore connection when a square end pipe connection is possible.