Socket Weld Fittings
These are forged pipe fittings with socket type end connection mostly used for small bore piping generally for piping whose nominal diameter is NPS 2 or smaller. To join pipe to Valves and fittings or to other sections of pipe, fillet-type seal welds be used. Socket Welded Joints construction is a good choice wherever the benefits of high leakage integrity and great structural strength are important design considerations. Fatigue resistance is lower than that in butt-welded construction due to the use of fillet welds and abrupt fitting geometry, but it is still better than that of most mechanical joining methods.
Socket Weld 45 Degree Elbow Fittings are used to change the direction of run pipe to 45-degree. Available from 1/8" up to 4" in Class 3000, 1/8" to 2" in Class 6000 and from 1/2" up to 2" in Class 9000.
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90 Degree Elbow
Socket Weld 90 Degree Elbow Fittings are used to change the direction of run pipe to 90-degree. Available from 1/8" up to 4" in Class 3000, 1/8" to 2" in Class 6000 and from 1/2" up to 2" in Class 9000.
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Tees
Socket Weld Tee Fittings are used to make a 90-degree branch from the run pipe. Available in both equal and reducing outlet configuration from 1/8" up to 4" in Class 3000, 1/8" to 2" in Class 6000 and from 1/2" up to 2" in Class 9000.
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Crosses
Socket Weld Cross Fittings are used to make a 2 x 90-degree branch from the run pipe. Available in both equal and reducing outlet configuration from 1/8" up to 4" in Class 3000, 1/8" to 2" in Class 6000 and from 1/2" up to 2" in Class 9000.
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Laterals
Socket Weld Lateral Fittings are used to make a 45-degree branch from the run pipe. Available in both equal and reducing outlet configuration from 1/8" up to 2-1/2" in Class 3000 and 6000 and from 1/2" up to 2" in Class 9000.
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Caps
Socket Weld Cap Fittings are used to make a end or closure of any pipe or fittings in a socket weld piping system. Available in both equal and reducing outlet configuration from 1/8" up to 4" in Class 3000 and 6000 and from 1/2" up to 2" in Class 9000.
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Boss
Socket Weld Boss Fittings are a weld-on connection which provides a self-reinforced, one-piece connection branch outlet from a run pipe. Available from 1/8" up to 4" in Class 3000 and 6000 and from 1/2" up to 2" in Class 9000.
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Coupling
Socket Welding Coupling Fittings are used to connect two plain end pipes of equal diameter. Available from 1/8" up to 4" in Class 3000 and 6000 and from 1/2" up to 2" in Class 9000.
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Half Coupling
Socket Welding Half Coupling Fittings are used to make a branch connection from a larger diameter run pipe to a smaller bore outlet pipe. Available from 1/8" up to 4" in Class 3000 and 6000 and from 1/2" up to 2" in Class 9000.
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Reducer Coupling
Socket Welding Reducer Coupling Fittings are used to connect two plain end pipes of different diameters. These basically acts as a reducer. Available from 1/8" up to 4" in Class 3000 and 6000 and from 1/2" up to 2" in Class 9000.
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Reducer Insert
Socket Welding Reducer Insert Fittings are used to connect small pipes to larger pipe or fittings by means of insert and weld. Available in different size combination in Class 3000 and 6000 as per MSS-SP-79.
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Couplets
Socket Welding Couplet Fittings are used to connect two pipes. Unlike a welding boss, it is provided with a straight length of weld ring which will be joined to the pipe by means of welding. Available from 1/8" up to 4" in Class 3000 and 6000 and from 1/2" up to 2" in Class 9000.
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Union
Socket Welding Union Fittings are used to connect two joints where frequent uncoupling is required. Two end weld pieces are united a centre piece making a temporary joint. These basically acts as a reducer. Available from 1/8" up to 3" in Class 3000 across BS 3799 and MSS-SP-83 standard.
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Swage Nipple
Socket Weld Swage Nipple Fittings works like a reducer but it is used to join a buttweld pipe to a socket weld joint. Available in concentric and eccentric variation from ¼” up to 10” outlet across BS 3799 and MSS-SP-95 standard.