Pipe Components 2011 - Van Leeuwen Buizen

Pipe components - Flanges as per ASME B16 - lap joint flanges
Forged lap joint flanges
Nominal diameter
inch
D
mm
m
mm
d1
mm
b
mm
150 lbs
k
mm
h
mm
Number of
holes
1/2” 88.9 30.2 22.9 11.2 60.3 15.9 4 15.9
3/4” 98.4 38.1 28.2 12.7 69.8 15.9 4 15.9
1” 107.9 49.2 35.1 14.2 79.5 17.5 4 15.9
1.1/4” 117.3 58.7 43.7 15.7 88.9 20.6 4 15.7
1.1/2” 127 65.1 50 17.5 98.4 22.2 4 15.9
2” 152.4 77.8 62.5 19.1 120.6 25.4 4 19
21/2” 177.8 90.5 74.5 22.4 139.7 28.6 4 19
3” 190.5 107.9 91.4 23.9 152.4 30.2 4 19
4” 228.6 134.9 116.8 23.9 190.5 33.3 8 19
6” 279.4 192.1 171.5 25.4 241.3 39.7 8 22.2
8” 342.9 246.1 222.3 28.4 298.4 44.5 8 22.2
10” 406.4 304.8 277.4 30.2 361.9 49.3 12 25.4
12” 482.6 365.1 328.2 31.8 431.8 55.6 12 25.4
300 lbs
1/2” 95.2 38.1 22.9 14.2 66.7 22.2 4 15.9
3/4” 117.5 47.6 28.2 15.7 82.5 25.4 4 19
1” 123.8 54 35 17.5 88.9 27 4 19
1.1/2” 155.6 69.8 50 20.6 114.3 30.2 4 22.2
2” 165.1 84.1 62.5 22.3 127 33.3 8 19
3” 209.5 117.5 91.4 28.4 168.3 42.9 8 22.2
4” 254 146 116.8 31.7 200 47.6 8 22.2
6” 317.5 206.4 171.4 36.5 269.7 52.4 12 22.2
8” 381 260 222.2 41.1 330 61.9 12 25.4
12” 520.7 374.6 328.2 50.8 450.8 101.6 16 31.7
98 No part of this publication may be multiplied or copied without previous written permission of Van Leeuwen Pipe and Tube
L
mm