Pipe Components 2011 - Van Leeuwen Buizen

Pipe components - Flanges as per ASME B16 - welding neck flanges
Forged welding neck flanges 300 lbs XXS / Sched 20 / 30
Nominal
diameter inch
D
mm
d1
mm
I.D.
mm
b
mm
g
mm
Welding neck flanges 300 lbs XXS
k
mm
h
mm
Number of
holes
1/2” 95.2 21.3 6.4 14.2 35.1 66.5 52.3 4 15.7
3/4” 117.5 26.7 11 15.7 42.9 82.5 57.2 4 19
1” 123.9 33.4 15.2 17.5 50.8 88.9 62 4 19
1.1/2” 155.6 48.3 28 20.6 73.2 114.3 68.3 4 22.2
2” 165.1 60.3 38.2 22.4 91.9 127 69.9 8 19
2.1/2” 190.5 73 45 25.4 104.6 149.2 76.2 8 22.2
3” 209.5 88.9 58.4 28.4 127 168.1 79.2 8 22.3
12” 520.7 323.9 273.1 50.8 381 450.8 130 16 31.7
Welding neck flanges 300 lbs Sched 20
8” 381 219.1 206.4 41.1 269.7 330.2 111.2 12 25.4
10” 444.5 273 260.4 47.7 323.9 387.3 117.3 16 28.4
12” 520.7 323.9 311.2 50.8 381 450.8 130 16 31.7
Welding neck flanges 300 lbs Sched 30
8” 381 219.1 205 41.1 269.7 330.2 111.3 12 25.4
10” 444.5 273 257.5 47.7 323.9 387.3 117.3 16 28.4
12” 520.7 323.9 307.1 50.8 381 450.8 130 16 31.7
108 No part of this publication may be multiplied or copied without previous written permission of Van Leeuwen Pipe and Tube
L
mm