Socket Weld Union (3-piece) 3000Lb
SWU3
Socket Weld Union (3-piece) is designed as a three-piece assemble straight joints. The connection is the socket weld type. It is important to screw the connector tightly before welding is processed, as this helps reduce the deformation of the based.
Dimension

Specification
SWU3 High Pressure Pipe Fittings Socket Weld Union (three-piece) 3000Lb| Part No | Pipe OD | Dimensions | H | ||||
|---|---|---|---|---|---|---|---|
| Ø E | Ø F | Ø B | I | L | |||
| SWU310 | 3/8" | 13 | 18 | 27 | 10 | 42 | 41 | 
| SWU315 | 1/2" | 16.5 | 22.2 | 32.5 | 10 | 50 | 46 | 
| SWU320 | 3/4" | 21.7 | 27.6 | 39 | 13 | 57.8 | 54 | 
| SWU325 | 1" | 27.2 | 34.3 | 47 | 13 | 64.9 | 63 | 
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Socket Weld Union (3-piece) 3000Lb (SWU3 ) – CHIBIN Machine
Since 1980 in Taiwan, CHIBIN Machine makes Socket Weld Union (3-piece) 3000Lb —compression, push-in pneumatic, hydraulic, quick couplings, and precision nozzle and needle valves for medical and semiconductor use.
Our fittings are ISO-certified and TTQS-awarded, with MIL-STD-105E quality checks. We stock 10,000+ standard parts and offer OEM/ODM custom runs up to 3,000 pcs.
With advanced CNC manufacturing and 40+ years of experience, CHIBIN Machine meets tight specs for surface finish, thread standards, and leak-tight testing. Get a fast quote today.

