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Features:
Certificate: ISO
American Standard: ASME B16.11
Material: Carbon steel ASTM A 105 / Stainless steel
Type: Forged fitting
W.pressure: Class 3000 / 6000 / 9000
Surface: Original / hot dip galvanized
SW boss is a special fitting used to create branch connections in a piping system. The SW boss is designed to connect smaller pipes or nozzles to larger main pipes by welding. The “boss” refers to the raised or reinforced area around the socket that provides additional material and strength to the connection, making it suitable for high-pressure applications.
| SIZE | Socket Bore Dia.
B |
Bore Dia. Of fittings
D |
Socket Wall
C min |
Depth of socket
J min |
Laying Length
F |
|||||
| NPS | DN | 3000 LB | 6000 LB | 9000 LB | 3000 LB | 6000 LB | 9000 LB | |||
| 1/8” | 6 | 10.9 | 6.1 | 3.2 | – | 3.18 | 3.43 | – | 9.5 | 16.0 |
| 1/4” | 8 | 14.3 | 8.5 | 5.6 | – | 3.30 | 4.01 | – | 9.5 | 16.0 |
| 3/8” | 10 | 17.7 | 11.8 | 8.4 | – | 3.50 | 4.37 | – | 9.5 | 17.5 |
| 1/2” | 15 | 21.9 | 15.0 | 11.0 | 5.6 | 4.09 | 5.18 | 8.18 | 9.5 | 22.5 |
| 3/4” | 20 | 27.3 | 20.2 | 14.8 | 10.3 | 4.27 | 6.04 | 8.56 | 12.5 | 24.0 |
| 1” | 25 | 34.0 | 25.9 | 19.9 | 14.4 | 4.98 | 6.93 | 9.96 | 12.5 | 28.5 |
| 1-1/4” | 32 | 42.8 | 34.3 | 28.7 | 22.0 | 5.28 | 6.93 | 10.62 | 12.5 | 30.0 |
| 1-1/2” | 40 | 48.9 | 40.1 | 33.2 | 27.2 | 5.54 | 7.80 | 11.12 | 12.5 | 32.0 |
| 2” | 50 | 61.2 | 51.7 | 42.1 | 37.4 | 6.04 | 9.50 | 12.12 | 16.0 | 41.0 |
| 2-1/2” | 65 | 73.9 | 61.2 | – | – | 7.62 | – | – | 16.0 | 43.0 |
| 3” | 80 | 89.9 | 76.4 | – | – | 8.30 | – | – | 16.0 | 44.5 |
| 4” | 100 | 115.5 | 100.7 | – | – | 9.35 | – | – | 16.0 | 48.5 |
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