Table of Tolerence buttweld Fittings
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Table of tolerance Buttweld Fittings

 

ANSI B16.9, B16.28                                                                                                                           (in mm)
All fittings 90° and 45° Elbows Tees Reducers Caps
Nom Pipe Size (inches) Outside Diameter at Bevel OD Inside Diameter at End ID Wall Thickness T Centre-to- End Dimension A, B Centre-to- End Dimension C, M Overall Length H Overall Length H
½ - 2½ +1.5
-0.7
±0.7 Not less than 87-½% of nominal thickness ±1.5 ±1.5 ±3.0 ±3.0
3 - 4 ±1.5 ±1.5
5 -8 +2.2
-1.5
±6.3
10 - 18 +4.0
-3.0
±3.0 ±2.2 ±2.2 ±6.3
20 - 24 +6.3
-4.8
±4.8
26 - 30 ±3.0 ±3.0 ±9.6 ±9.6
32 - 48 ±4.8 ±4.8

 

Angularity Tolerance

Nom
Pipe Size
(inches)
                                                 (in mm)
                 Angularity Tolerance
Off Angle Q Off Plane P
½ - 4 0,7 1,5
5 - 8 1,5 3,0
10 - 12 2,2 4,8
14 - 16 6,3
18 - 24 3,0 9,6
26 - 30 4,8
32 - 42 12,7
44 - 48 19,0
 
   off plane image