Class 150 Flanges

Flanges

NOM PIPE SIZE CLASS 150*
OD C X A Y Y1 B B1 R D RF BOLT CIRCLE DIA. BOLT HOLE QTY/DIA
1/2 3.50 0.44 1.19 0.84 0.62 1.88 0.88 0.90 0.12 0.38 1.38 2.38 4/0.62
3/4 3.88 0.50 1.50 1.05 0.62 2.06 1.09 1.11 0.12 0.44 1.69 2.75 4/0.62
1 4.25 0.56 1.94 1.32 0.69 2.19 1.36 1.38 0.12 0.50 2.00 3.12 4/0.62
1 1/4 4.62 0.62 2.31 1.66 0.81 2.25 1.70 1.72 0.19 0.56 2.50 3.50 4/0.62
1 1/2 5.00 0.69 2.56 1.90 0.88 2.44 1.95 1.97 0.25 0.62 2.88 3.88 4/0.62
2 6.00 0.75 3.06 2.38 1.00 2.50 2.44 2.46 0.31 0.69 3.62 4.75 4/0.75
2 1/2 7.00 0.88 3.56 2.88 1.12 2.75 2.94 2.97 0.31 0.75 4.12 5.50 4/0.75
3 7.50 0.94 4.25 3.50 1.19 2.75 3.57 3.60 0.38 0.81 5.00 6.00 4/0.75
4 9.00 0.94 5.31 4.50 1.31 3.00 4.57 4.60 0.44 0.94*** 6.19 7.50 8/0.75
5 10.00 0.94 6.44 5.56 1.44 3.50 5.66 5.69 0.44 0.94*** 7.31 8.50 8/0.88
6 11.00 1.00 7.56 6.63 1.56 3.50 6.72 6.75 0.50 1.06*** 8.50 9.50 8/0.88
8 13.50 1.12 9.69 8.63 1.75 4.00 8.72 8.75 0.50 1.25*** 10.62 11.75 8/0.88
10 16.00 1.19 12.00 10.75 1.94 4.00 10.88 10.92 0.50 1.31*** 12.75 14.25 12/1.00
12 19.00 1.25 14.38 12.75 2.19 4.50 12.88 12.92 0.50 1.56*** 15.00 17.00 12/1.00
14 21.00 1.38 15.75 14.00 2.25** 5.00 14.14 14.18 0.50 1.63*** 16.25 18.75 12/1.12
16 23.50 1.44 18.00 16.00 2.50** 5.00 16.16 16.19 0.50 1.75*** 18.50 21.25 16/1.12
18 25.00 1.56 19.88 18.00 2.69** 5.50 18.18 18.20 0.50 1.94*** 21.00 22.75 16/1.25
20 27.50 1.69 22.00 20.00 2.88** 5.69 20.20 20.25 0.50 2.12*** 23.00 25.00 16/1.25
24 32.00 1.88 26.12 24.00 3.25** 6.00 24.25 24.25 0.50 2.50*** 27.25 29.50 20/1.38

ALL DIMENSIONS ARE IN INCHES
* IN ACCORDANCE WITH ASME/ANSI B16.5
** NOT APPLICABLE TO LAP JOINTS

LAP JOINT LENGTH= 14 - 3.12
16 - 3.44
18 - 3.81
20 - 4.06
24 - 4.38

*** INDUSTRY PRACTICE
**** BORE OF WN & SW TO BE SPECIFIED, SEE PAGES 10 AND 11

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