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)
HEX NIPPLE
BS3799-1974
Is a standardized pipe fitting designed with a hexagonal shape, offering easy installation and removal. Compliant with the BS3799-1974 standard, it ensures high-quality manufacturing and adherence to safety guidelines.
Its hexagonal design allows for simple tightening and loosening with standard tools, ensuring a reliable and tight seal. The threaded or socket-weld end connections enable easy installation and compatibility with other BS3799-1974 compliant components, providing a versatile and efficient solution for joining pipes in a variety of configurations.
Dimensions in Millimeters
Norminal size | A | W | E | B(1) | C | F | ||||||||||||
Equal | Reducing | |||||||||||||||||
In | DN | In | DN | 3M(2) | 6M(2) | |||||||||||||
1/8 | 6 | 11 | 26 | 10 | 5 | 2 | 6 | – | ||||||||||
1/4 | 8 | 15 | 36 | 15 | 8 | 6 | 6 | – | ||||||||||
1/4 x 1/8 | 8 x 6 | 15 | 31 | 15 | 5 | 2 | 6 | 10 | ||||||||||
3/8 | 10 | 18 | 40 | 16 | 11 | 8 | 8 | – | ||||||||||
3/8 x 1/4 | 10 x 8 | 18 | 39 | 16 | 8 | 6 | 8 | 15 | ||||||||||
1/2 | 15 | 22 | 48 | 14 | 11 | 8 | – | – | ||||||||||
1/2 x 3’8 | 15 x 10 | 22 | 44 | 20 | 11 | 8 | 8 | 16 | ||||||||||
1/2 x 1/4 | 15 x 8 | 22 | 43 | 20 | 8 | 6 | 8 | 15 | ||||||||||
3/4 | 20 | 27 | 52 | 21 | 19 | 1.3 | 10 | – | ||||||||||
3/4 x 1/2 | 20 x 15 | 27 | 50 | 21 | 14 | 9 | 20 | – | ||||||||||
3/4 x 3/8 | 20 x 109 | 27 | 46 | 21 | 11 | 6 | 9 | 16 | ||||||||||
1 | 25 | 32 | 60 | 25 | 24 | 17 | 10 | – | ||||||||||
1 x 3/4 | 25 x 20 | 35 | 56 | 25 | 19 | 13 | 10 | 21 | ||||||||||
1 x 1/2 | 25 x 15 | 35 | 55 | 25 | 14 | 11 | 10 | 20 | ||||||||||
14/2 | 40 | 50 | 68 | 26 | 38 | 30 | 16 | – | ||||||||||
1-1/2 x 1 | 40 x 25 | 50 | 67 | 26 | 24 | 17 | 16 | 25 | ||||||||||
1-1/2 x 3/4 | 40 x 20 | 50 | 63 | 26 | 19 | 13 | 16 | 21 | ||||||||||
1-1/2 x 1/2 | 40 x 15 | 50 | 62 | 26 | 14 | 11 | 16 | 20 | ||||||||||
2 | 50 | 71 | 27 | 39 | 17 | – | – | – | ||||||||||
2 x 1-7/2 | 50 x 40 | 70 | 27 | 30 | 17 | 25 | – | – | ||||||||||
2 x 1 | 50 x 25 | 70 | 27 | 17 | 17 | 18 | 25 | – | ||||||||||
2 x 3/4 | 50 x 20 | 65 | 27 | 13 | 17 | 21 | – | – | ||||||||||
2 x 1/2 | 50 x 15 | 65 | 27 | 11 | 18 | 20 | – | – |
3M & 6M symbols denote 3000 & 6000 classes
DIMENSIONAL TOLERANCE OF BS3799
8S3799-1974 (Unit : mm)
Item | Type of pipe fitting | DN | 6-8 | 10-20 | 25-50 | 65-80 |
NPS | 1/8″–114″ | 3181-314″ | 1 “-2” | 2-1/2″-3″ | ||
Concentricity of bore (X) | All fillings | ±0_ 8 | ||||
Coincidence of axes 061 | ± I 1200 | |||||
Bore diameter of fitting (b) | Boss & Hex Nipple | ±0.4 | a-0.8 | |||
Bottom of socket to opposite face | Boss | ±0,8 | ±1.5 | ±2.0 | ±2.5 |