1500 Series Flange Specs


All dimensions given in inches.
Dimensions and tolerances in accordance with ANSI B16.5.
*1/4 in. raised face included in dimensions Q, Y and YY.
**Bolt hole diameter 1/8 in. larger than bolt diameter.
Nom. Pipe Size O Q* R X No.
and
Dia of
Bolt
Holes		 Bolt Circle Dia. YY* H J Y* B R YV BB Z C T
½ 4.75 0.88 1.38 1.5 4-0.88 3.25 2.38 0.84
To
Be

S
p
e
c
i
f
i
e
d

by

P
u
r
c
h
a
s
e
r

 1.25 0.88 0.12 1.25 0.9 0.38 0.93 0.88
¾ 5.12 1 1.69 1.75 4-0.88 3.5 2.75 1.05 1.38 1.09 0.12 1.38 1.11 0.44 1.14 1
1 5.88 1.12  2 2.06 4-1.00 4.00 2.88 1.32 1.62 1.36 0.12 1.62 1.38 0.5 1.41 1.12
1¼ 6.25 1.12  2.5 2.5 4-1.00 4.38 2.88 1.66 1.62 1.7 0.19 1.62 1.72 0.56 1.75 1.19
1½ 7 1.25 2.88 2.75 4-1.12 4.88  3.25 1.9 1.75 1.95 0.25 1.75 1.97 0.62 1.99 1.25
2 8.5 1.50 3.62 4.12 8-1.00 6.5 4 2.38 2.25 2.44 0.31 2.25 2.46 0.69 2.5 1.5
2½ 9.62 1.62 4.12 4.88 8-1.12 7.5 4.12 2.88 2.5 2.94 0.31 2.5 2.97 0.75 3 1.88
3 10.5 1.88 5 5.25 8-1.25 8 4.62 3.5 2.88   0.38 2.88 3.6   3.63 2
4 12.25 2.12 6.19 6.38 8-1.38 9.5 4.88 4.5 3.56 0.44 3.56 4.6 4.63 2.25
5 14.75 2.88 7.31 7.75 8-1.62 11.5 6.12 5.56 4.12 0.44 4.12 5.69 5.69 2.5
6 15.5 3.25 8.5 9 12-1.50 12.5 6.75 6.63 4.69 0.5 4.69 6.75 6.75 2.75
8 19 3.62 10.62 11.5 12-1.75 15.5 8.38 8.63 5.62 0.5 5.62 8.75 8.75 3
10 23 4.25 12.75 14.5 12-2.00 19 10 10.75 6.25 0.5 7 10.92 10.88 3.31
12 26.5 4.88 15 17.75 16-2.12 22.5 11.12 12.75 7.12 0.5 8.62 12.92 12.94 3.62
14 29.5 5.25 16.25 19.5 16-2.38 25 11.75 14   0.5 9.5 14.18    
16 32.5 5.75 18.5 21.75 16-2.62 27.75 12.25 16 0.5 10.25 16.19
18 36 6.38 21 23.5 16-2.88 30.5 12 18 0.5 10.88 18.2
20 38.75 7 23 25.25 16-3.12 32.75 14 20 0.5 11.5 20.25
24 46 8 27.25 30 16-3.62 39 16 24 0.5 13 24.25