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A Stainless Steel Union is a specialized fitting used in plumbing and piping systems to connect two pipes in a way that allows for easy disassembly and reassembly. It is designed to join pipes or tubes of similar or different sizes while providing a convenient means for maintenance, repair, or modifications in the system.
Available Connections: Female (Inside) Thread, Male (Outside) Thread, Male to Female Thread, Butt Welding, Socket Welded.
Available Angles: Straight Union and 90 Degree Elbow Union.
| Size | DN | ΦD | L | L1 | SW |
|---|---|---|---|---|---|
| 1/8" | 6 | 10.5 | 40.5 | 13.0 | 26.0 |
| 1/4" | 8 | 13.8 | 33.0 | 14.0 | 29.0 |
| 3/8" | 10 | 17.3 | 36.0 | 14.5 | 33.0 |
| 1/2" | 15 | 21.7 | 39.5 | 16.5 | 37.5 |
| 3/4" | 20 | 27.2 | 42.5 | 17.5 | 46.0 |
| 1" | 25 | 34.0 | 46.5 | 18.5 | 54.0 |
| 11/4" | 32 | 42.7 | 53.0 | 21.0 | 64.0 |
| 11/2" | 40 | 48.6 | 57.0 | 23.0 | 71.0 |
| 2" | 50 | 60.5 | 63.0 | 25.0 | 85.0 |
| Size Range | 1/8'' ~ 4'' |
| Material Options | Stainless steel 304/316 (ASTM A351 CF8, CF8M) |
| Thread Standards | BS21 (BSPT & BSPP), ANSI/ASME B1.20.1 (NPT), DIN2999, JIS B 0203/2, etc. |
| Working Pressure | 150LB |
| Temperature | -20°C to +220°C |
| Physical Property | Tensile strength ≥485Mpa, Yield strength ≥205Mpa, Elongation ≥35% |
| Surface Treatment | Pickling and Peeling |
| Certificates | ISO 9001:2015, ISO14001:2015, CE, ROHS, KC, etc. |
| Application | Suitable for Air, Natural Gas, Oil, Steam, Water, etc. |
Thread Pipe Fittings Names and Pictures
