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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
Screwed 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
24.6
28.6
33.3
38.1
44.4
50.8
60.3
63.5
B mm
25.4
33.3
38.1
46.0
55.5
62.0
75.4
84.1
C mm
19.0
22.2
25.4
28.6
33.3
35.0
42.8
43.6

Nominal mm
12.7
19.0
25.4
31.7
38.1
50.8
A
 mm
47.6
50.8
60.3
66.7
79.4
85.7
B mm
28.6
35.0
44.5
57.2
63.5
76.2
C mm
23.8
25.4
30.2
33.3
39.7
42.9
D mm
31.7
36.5
41.3
44.5
44.5
47.6

      Material : ASTM A 105, ASTM A182 GRADES F 304, F 304L, F 316, F316L, F321             
      Dimensions to ANSI B 16.11 AND BS 3799-FITTINGS SCREWED TO NPT, BSP, BSPT, etc.

Dimension of Tolerance in Inspection

Nominal
bore
Elbows,tees, crosses
Street elbows
Coupling
half coupling
Bushings-plugs
Unions
Centre
to End
Diameter
of bead
Centre to
female
end
Diameter
of bead
Centre to
male end
Overall
Length
Overall
Length
Diameter
 Height
of head

Length under head

Across
flat		 Overall
Length		 Overall
Length		 Across
flat
1/2 and 3/4


± 0.062
±0.031
± 0.062



± 0.062



+ 0



+ 0
  ± 0.031 - 0.031   - 0.031 ± 0.062 ± 0.062 - 0 ± 0.031 ± 0.062 - 0.031 ± 0.062 ± 0.062 - 0.031
1 to 3   + 0.093   + 0.093     + 0.093     + 0     + 0
  ±0.062 - 0.062 ±0.062 - 0.062 ± 0.093 ± 0.125 - 0 ± 0.062 ± 0.093 - 0.062 ± 0.093 ± 0.125 - 0.062