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Butt-Weld Pipe Fittings
Socket Weld, Threaded and Forged Fittings
Tube Fittings
Flanges
Valves
Stainless Steel
Dairy Fittings
Tri-Clover Fittings
Stainless Steel Pipes and Tubes
Railing fittings
Socket Weld Fittings 3000 lbs

Nominal mm
6
10
15
20.0
25
32
40
50
Pipe size
 mm
6.4
9.5
12.7
19.0
25.4
31.7
38.1
50.8
A
 mm
20.6
24.6
28.6
23.8
38.1
44.4
50.8
60.3
B mm
22.2
25.4
33.3
38.1
46.0
55.5
62.0
75.4
C mm
14.1
17.5
21.7
27.0
33.8
42.5
48.6
61.1
D mm
9.5
11.1
12.7
14.3
15.8
17.4
19.0
22.2
E mm
11.1
13.5
15.8
19.0
22.2
27.0
31.7
38.1
F mm
19.0
19.0
22.2
25.4
28.6
33.3
35.0
42.8
G mm
8.0
8.0
11.1
12.7
14.3
17.4
20.6
25.4

Nominal mm
6
10
15
20.0
25
32
40
50
Pipe size
 mm
6.4
9.5
12.7
19.0
25.4
31.7
38.1
50.8
A
 mm
25.4
28.6
35.0
38.1
44.4
47.6
50.8
63.5
B mm
22.2
25.4
31.7
38.1
44.5
52.2
63.5
76.2
C mm
14.1
17.5
21.7
27.0
33.8
42.5
48.6
61.1
D mm
9.5
11.1
12.7
14.3
15.9
17.4
19.0
22.2
E mm
6.4
6.4
9.5
9.5
12.7
12.7
12.7
19.0
F mm
17.5
19.0
22.2
25.4
27.0
30.2
31.8
38.1

      Material : ASTM A 182 GRADES F 304, F304L, F316, F316L, F321               Dimensions to ANSI B 16.11 AND BS 3799

Dimension of Tolerance in Inspection

Nominal
bore		 Elbows,tees,
crosses
Coupling
Half
Coupling
All
fittings
Centre to
bottom
of socket
Bottom to
bottom
of socket
Bottom of
Socket of
opposite face
Bore
diameter
of socket
Bore
diameter
of fittings
Fitting wall
thickness
Concentricity
of bores
Coincidence
of axes
1/4 and 3/8
± 0.03
± 0.06
± 0.03
± 0.10
± 0.015
Not less than nominal pipe wall thickness
Socket and fitting bores within ± 0.030
0.062 in 12 inch
1/2 and 3/4 ± 0.06 ± 0.12 ± 0.6 ± 0.10 ± 0.015 Not less than nominal pipe wall thickness Socket and fitting bores within ± 0.030 0.062 in 12 inch
1 to 2 ± 0.08 ± 0.16 ± 0.8 ± 0.10 ± 0.015 Not less than nominal pipe wall thickness Socket and fitting bores within ± 0.030 0.062 in 12 inch