Forge Fittings Product
- 45°Elbow(ASME B16.11-2016)
- 90° Elbow(ASME B16.11-2016 )
- 90° STREET ELBOW(ASME B1 6.11 -2011)
- BOSS(BS3799-1974)
- BULL PLUG(MSS SP-95-2006)
- BUSHING (ASME B16.11-2016)
- CAP (ASME B16 11-2016)
- CROSS (ASME B16.11-2016)
- FULL COUPLING (ASME B16.11-2016)
- HALF COUPLING (ASME B16.11 -2016)
- HEX HEAD PLUG (ASME B16.11)
- HEX NIPPLE (BS3799-1974)
- NIPPLE (ASTM A733-03-2016)
- REDUCER INSERT (MSS SP.79.2011)
- ROUNDED HEAD PLUG (ASME B16.11-2016)
- SOCKET WELD END UNION (MSS SP-83-2006)
- SQUARE HEAD PLUG (ASME B16.11-2016)
- SWAGED NIPPLE (MSS SP-95-2006)
- TEE (ASME B16.11-2016)
- THREADED END UNION (MSS SP-83-2006)
BOSS
BS3799-1974
Is a standardized pipe fitting designed to provide a threaded or socket-weld connection for branch pipes or fittings. Compliant with the BS3799-1974 standard, it ensures high-quality manufacturing and adherence to safety guidelines.
Its threaded or socket-weld end connections enable easy installation and compatibility with other BS3799-1974 compliant components, providing a reliable and efficient solution for branching and connecting pipes in a variety of configurations.
Dimensions in Millimeters
Socket weld | ||||||
Nom.Pipe, | DN, | B | b | J | F | C |
3000Lb
1/8 | 6 | 10.7 | 6.8 | 10.0 | 28.0 | 3.2 |
1/4 | 8 | 14.1 | 9.2 | 10.0 | 32.0 | 3.3 |
3/8 | 10 | 17.6 | 12.5 | 11.0 | 34.0 | 3.5 |
1/2 | 15 | 21.6 | 15.5 | 13.0 | 33.0 | 4.1 |
3/4 | 20 | 27.4 | 21.0 | 13.0 | 38.0 | 4.3 |
1 | 25 | 34.1 | 26.5 | 16.0 | 35.0 | 5.0 |
1-1/2 | 40 | 49.0 | 40.5 | 19.0 | 32.0 | 5.6 |
2 | 50 | 61.0 | 52.0 | 22.0 | 29.0 | 6.1 |
2-1/2 | 65 | 73.8 | 62.0 | 22.0 | 29.0 | 7.7 |
3 | 80 | 89.7 | 78.0 | 22.0 | 29.0 | 8.3 |
6000Lb
1/2 | 15 | 21.6 | 11.8 | 13.0 | 36.0 | 5.2 |
3/4 | 20 | 27.4 | 15.5 | 13.0 | 36.0 | 6.1 |
1 | 25 | 34.1 | 20.7 | 16.0 | 35.0 | 7.0 |
1-1/2 | 40 | 49.0 | 34.0 | 19.0 | 32.0 | 7.8 |
2 | 50 | 61.0 | 43.0 | 22.0 | 29.0 | 9.5 |
2-1/2 | 55 | 73.8 | 54.0 | 22.0 | 29.0 | 10.4 |
3 | 80 | 89.7 | 66.0 | 22.0 | 29.0 | 12.2 |
Dimensions in Millimeters
Threaded | ||||
Nom. Pipe | DN | D | W | L2 |
3000Lb
1/8 | 6 | 16.0 | 38.0 | 6.70 |
1/4 | 8 | 19.0 | 41.0 | 10.21 |
3/8. | 10 | 22.0 | 45.0 | 10.36 |
1/2 | 15 | 29.0 | 51.0 | 13.56 |
3/4 | 20 | 35.0 | 51.0 | 13.86 |
1 | 25 | 45.0 | 51.0 | 17.34 |
1-1/2 | 40 | 64.0 | 51.0 | 16.38 |
2 | 50 | 76.0 | 51.0 | 79.22 |
2–1/2 | 65 | 95.0 | 57.0 | 28.89 |
3 | 80 | 110.0 | 57.0 | 30.48 |
4 | 100 | 140.0 | 64.0 | 33.02 |
6000Lb
1/6 | 6 | 22.0 | 36.0 | 6.70 |
1/4 | 8 | 26.0 | 41.0 | 10.21 |
3/6 | 10 | 32.0 | 45.0 | 10.36 |
1/2 | 15 | 38.0 | 51.0 | 13.56 |
3/4 | 20 | 45.0 | 51.0 | 13.86 |
1 | 25 | 60.0 | 51.0 | 17.34 |
1-1/2 | 40 | 76.0 | 51.0 | 18.38 |
2 | 50 | 95.0 | 51.0 | 19.22 |
DIMENSIONAL TOLERANCE OF B53799
BS3799-1974 (Unit mm)
Item | Type of pipe fitting | DN | 6-8 | 10-20 25-50 | 65-80 | |
NPS | 1/8″–114″ | 318″-314″ 1″ . 2″ | 2-1/2′ —3″ | |||
Concentricity of bore (X) | Ail fittings | ±0_ 8 | ||||
Coincidence of axes m | ±1 / 200 | |||||
Bore diameter of fitting (b) | Boss & Hex Nipple | ±0.4 | a-0.8 | |||
Bottom of socket to opposite face | Boss | 0.8 | ±1.5 | al-2.0 | a-2.5 |