BOSS
BS3799-1974
Dimensions in Millimeters
Socket weld |
||||||
Nom.Pipe, |
DN, |
B |
b |
J |
F |
C |
3000Lb
1/8 |
6 |
10.7 |
6.8 |
28.0 |
3.2 |
|
1/4 |
8 |
14.1 |
9.2 |
10.0 |
32.0 |
3.3 |
3/8 |
17.6 |
12.5 |
11.0 |
34.0 |
3.5 |
|
1/2 |
15 |
21.6 |
15.5 |
13.0 |
33.0 |
4.1 |
3/4 |
20 |
27.4 |
21.0 |
13.0 |
38.0 |
4.3 |
1 |
25 |
34.1 |
26.5 |
16.0 |
35.0 |
5.0 |
1-1/2 |
40 |
49.0 |
40.5 |
19.0 |
32.0 |
5.6 |
2 |
50 |
61.0 |
52.0 |
22.0 |
29.0 |
6.1 |
2-1/2 |
65 |
73.8 |
62.0 |
22.0 |
29.0 |
7.7 |
3 |
80 |
89.7 |
78.0 |
6000Lb
1/2 |
15 |
21.6 |
11.8 |
13.0 |
36.0 |
5.2 |
3/4 |
20 |
27.4 |
15.5 |
36.0 |
6.1 |
|
1 |
25 |
34.1 |
20.7 |
16.0 |
35.0 |
7.0 |
1-1/2 |
40 |
49.0 |
34.0 |
19.0 |
32.0 |
7.8 |
2-1/2 |
55 |
73.8 |
54.0 |
22.0 |
29.0 |
10.4 |
3 |
80 |
66.0 |
12.2 |
Dimensions in Millimeters
Threaded |
||||
Nom. Pipe |
DN |
D |
W |
L2 |
3000Lb
1/8 |
6 |
16.0 |
38.0 |
6.70 |
1/4 |
8 |
19.0 |
41.0 |
10.21 |
3/8. |
10 |
22.0 |
45.0 |
10.36 |
1/2 |
15 |
29.0 |
51.0 |
13.56 |
3/4 |
20 |
35.0 |
51.0 |
13.86 |
1 |
25 |
45.0 |
51.0 |
17.34 |
1-1/2 |
40 |
64.0 |
51.0 |
16.38 |
2 |
50 |
76.0 |
51.0 |
79.22 |
2-1/2 |
65 |
95.0 |
57.0 |
28.89 |
80 |
110.0 |
57.0 |
30.48 |
|
64.0 |
33.02 |
6000Lb
1/6 |
6 |
22.0 |
36.0 |
6.70 |
1/4 |
8 |
26.0 |
41.0 |
10.21 |
3/6 |
10 |
32.0 |
45.0 |
10.36 |
1/2 |
15 |
38.0 |
51.0 |
13.56 |
3/4 |
20 |
45.0 |
51.0 |
13.86 |
1 |
25 |
60.0 |
51.0 |
17.34 |
1-1/2 |
40 |
76.0 |
51.0 |
18.38 |
2 |
50 |
95.0 |
51.0 |
19.22 |
DIMENSIONAL TOLERANCE OF B53799
BS3799-1974 (Unit mm)
Item |
Type of pipe fitting |
DN |
6-8 |
10-20 25-50 |
65-80 |
|
NPS |
1/8"--114" |
318"-314" 1" . 2" |
2-1/2' —3" |
|||
Concentricity of bore (X) |
Ail fittings |
±0_ 8 |
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Coincidence of axes m |
±1 / 200 |
|||||
Bore diameter of fitting (b) |
Boss & Hex Nipple |
±0.4 |
a-0.8 |
|||
Bottom of socket to opposite face |
Boss |
0.8 |
±1.5 |
al-2.0 |
a-2.5 |
|