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What is Socket Fitting
Socket weld is one type of high pressure forged fittings. It is used for inserted into a recessed area of a valve, fitting or flange. Once correctly inserted, fillet type sealing welds are applied to join the pipe to the fitting.
Same as threaded fittings, they are mainly used for small pipe diameters (Small Bore Piping); generally, for piping whose nominal diameter is NPS 2 or smaller.
These fittings are commonly called SW pipe fittings that include elbows, tees, cross, caps, coupling and union.
Pressure
There are three types pressure rate for the socket weld coupling, class 3000, 6000 and 9000.
The pressure rate means the pressure the coupling can bear, such as class6000 socket weld coupling can bear 6000LB pressure, and match with the same or lower pressure pipes and pipe fittings.
Size
The size range is 1/8" – 4" / DN6 - DN100 for the Class6000 socket weld coupling. The most common size is below 2". It means most socket weld coupling in stock is below 2". We usually manufacture the coupling when the size is big than 2".
Half Coupling and Full Coupling
Full Socket Weld Coupling
Half Socket Weld Coupling
Half coupling is only socket weld at one end, and the other end can be welded directly into the operation of the pipe to form a branch connection. It is a joint that helps to extend or terminate a pipe. On the other hand, full coupling have both ends of threaded or socket welded.
Weight For Class 6000 Socket Weld Coupling
Nominal Size | SW Coupling Weight | |
DN | NPS | 6000 |
6 | 1/8 | 0.06 |
15 | 1/2 | 0.16 |
32 | 11/4 | 0.65 |
65 | 21/2 | - |
Inspection
PMI test
Dimension Test
Visual Test
Hydrostatic test
Flattening Test
We always inspect the goods when delivery. For the Class 6000 socket weld coupling, we inspect OD, wall thickness, height.
For the stainless steel fittings, we will also make PMI inspection.
What is Socket Fitting
Socket weld is one type of high pressure forged fittings. It is used for inserted into a recessed area of a valve, fitting or flange. Once correctly inserted, fillet type sealing welds are applied to join the pipe to the fitting.
Same as threaded fittings, they are mainly used for small pipe diameters (Small Bore Piping); generally, for piping whose nominal diameter is NPS 2 or smaller.
These fittings are commonly called SW pipe fittings that include elbows, tees, cross, caps, coupling and union.
Pressure
There are three types pressure rate for the socket weld coupling, class 3000, 6000 and 9000.
The pressure rate means the pressure the coupling can bear, such as class6000 socket weld coupling can bear 6000LB pressure, and match with the same or lower pressure pipes and pipe fittings.
Size
The size range is 1/8" – 4" / DN6 - DN100 for the Class6000 socket weld coupling. The most common size is below 2". It means most socket weld coupling in stock is below 2". We usually manufacture the coupling when the size is big than 2".
Half Coupling and Full Coupling
Full Socket Weld Coupling
Half Socket Weld Coupling
Half coupling is only socket weld at one end, and the other end can be welded directly into the operation of the pipe to form a branch connection. It is a joint that helps to extend or terminate a pipe. On the other hand, full coupling have both ends of threaded or socket welded.
Weight For Class 6000 Socket Weld Coupling
Nominal Size | SW Coupling Weight | |
DN | NPS | 6000 |
6 | 1/8 | 0.06 |
15 | 1/2 | 0.16 |
32 | 11/4 | 0.65 |
65 | 21/2 | - |
Inspection
PMI test
Dimension Test
Visual Test
Hydrostatic test
Flattening Test
We always inspect the goods when delivery. For the Class 6000 socket weld coupling, we inspect OD, wall thickness, height.
For the stainless steel fittings, we will also make PMI inspection.
