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Dimensional Tolerances Of Butt Weld Fittings

We manufacture finest quality of butt weld pipe fittings to meet diverse material specification. Our butt weld pipe fittings are extremely durable and are available in various shape such as bent,triangular, rectangular etc. Butt weld pipe fittings are ideal multiple connection of pipes and to prevent fluid leakage. Different types of fittings can minimize potential fluid handling system and enhances their over all performance.

Dimensional Tolerances As Per ANSI B 16.9/B 16.28/ MSS SP-43 For Butt Weld Fittings

Buttweld Pipe Fittings Buttweld Pipe Fittings
Buttweld Pipe Fittings Buttweld Pipe Fittings


All Fittings         0 deg. And 45 deg. Elbows and Tees Reducers & Lap Joints Stub Ends Caps 180 deg Returns Lap Joint Stub Ends
Nominal Pipe Size (NPS) Outside dia
at Bewel
(1),
(2) D
Inside dia
at End
(1), (2), (3)
Wall Thickness (3) Center to end Dimension A, B, C, M Center to Overall Length F, H Overall Length E Center
to
Center Dimension O
Back to Face Dimension K Alignment of ends U Outside Diameter of Lap G Fillet Radius of Lap R Outside Diameter of Barrel
½ to 2/12   1 0.8 Not less than 87.5% of nominal thickness 2 2 4 7 7 1 +0.1 +0-1 See Table 7 for limiting dimensions
3 to 3/12   1 1.6 2 2 4 7 7 1 +0-1 +0-1  
4 +2 -1 1.6 2 2 4 7 7 1 +0-1 +0.1  
5 to 6 -3 -1 1.6 2 2 7 7 7 1 +0-1 +0.2  
8 +4 -3 1.6 2 2 7 7 7 1 +0-1 +0-2  
10 +4 -3 3.2 2 2 7 10 7 2 +0.2 +0-2  
12 to 18 +4 -3 3.2 2 2 7 10 7 2 +0-2 +0-2  
20 to 24 +6 -5 4.8 3 3 7 10 7 2 +0-2 +0-2  
26 to 30 +7 -5 4.8 3 3 10 -- -- -- -- --  
32 to 48 +7 -5 4.8 5 5 10 -- -- -- -- --  


Buttweld Pipe Fittings Buttweld Pipe Fittings
Buttweld Pipe Fittings Buttweld Pipe Fittings


Nominal Pipe Size (NPS) Angularity – Tall
Off Angle Q Off Plane P
½ to 4 1 2
5 to 8 2 4
10 to 12 3 5
14 to 16 3 7
18 to 24 4 10
26 to 30 5 10
32 to 42 5 13
44 to 48 5 20

The buttweld pipe fitting manufactured by us serve various applications because of their high functionality and technical specifications. Years of experience and knowledge of metal properties, welding procedure and quality control has helped to set a standard expected by our customers.
- Available in variable formation like 45, 90, 180, L.R./ S.R Elbows, Equal/Unequal Tees, Barred tees, Reducers, stubends, caps, cross, short radius bends jacketed.





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