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Socket Weld Connection
The socket welding ends are prepared by boring in each end of the valve a socket with an inside diameter slightly
larger than the pipe outside diameter. The pipe slips into the socket where it butts against a shoulder and then
joins to the valve with a fillet weld.
Socket welding ends in a given size are dimensionally the same regardless of pipe schedule. They are usually
furnished in sizes through 2-inch.
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Standards
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B16.11 - 2009 Forged Fittings, Socket-Welding and Threaded
This Standard covers ratings, dimensions, tolerances, marking and material requirements for socket-welding and threaded forged fittings.
These fittings are designated as Class 2000, 3000, and 6000 for threaded end fittings and Class 3000, 6000, and 9000 for socket-weld end fittings.
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