Flange Dimensions 2500 #
The following charts are for reference use only. They are based upon older piping systems.
Refer to current specifications when designing new systems.
Thermoetrics Corporation, Northirgde California is a manufacturer and distributor of items associated with the following terms and categories, alloy, ansi flanges, api flanges, blind flanges, cardon steel flanges, clamps, couplings, elbows, exhaust flanges, fabrication, fittings, high pressure flanges, India, orifice flanges, pipe, pipe flanges, slip-on flanges, stainless, stainless flanges, stainless steel, stainless steel flanges, steel, steel flanges, tank flanges, threaded flanges, tubing, vacuum flanges, weld neck flanges.
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Dimensions for Class 2500 Flanges
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|
Nom. Pipe Size
(inches) |
O |
Q* |
R |
X |
No.
and**
Dia of
Bolt
Holes |
Bolt
Circle
Dia. |
YY* |
H |
J |
Y* |
B |
R |
YV |
BB |
C |
T |
|
1/2 |
5.25 |
1.19 |
1.38 |
1.69 |
4-0.88 |
3.50 |
2.88 |
0.84 |
To
Be
S
p
e
c
i
f
i
e
d
by
P
u
r
c
h
a
s
e
r |
1.56 |
.12 |
1.56 |
0.90 |
0.93 |
1.12 |
1.12 |
|
3/4 |
5.50 |
1.25 |
1.69 |
2.00 |
4-0.88 |
3.75 |
3.12 |
1.05 |
1.69 |
.12 |
1.69 |
1.11 |
1.14 |
1.25 |
|
|
1 |
6.25 |
1.38 |
2.00 |
2.25 |
4-1.00 |
4.25 |
3.50 |
1.32 |
1.88 |
.12 |
1.88 |
1.38 |
1.41 |
1.38 |
|
|
11/4 |
7.25 |
1.50 |
2.50 |
2.88 |
4-1.12 |
5.12 |
3.75 |
1.66 |
2.06 |
.19 |
2.06 |
1.72 |
1.75 |
1.50 |
|
|
11/2 |
8.00 |
1.75 |
2.88 |
3.12 |
4-1.25 |
5.75 |
4.38 |
1.90 |
2.38 |
.25 |
2.38 |
1.97 |
1.99 |
1.75 |
|
|
2 |
9.25 |
2.00 |
3.62 |
3.75 |
8-1.12 |
6.75 |
5.00 |
2.38 |
2.75 |
.31 |
2.75 |
2.46 |
2.50 |
2.00 |
|
|
21/2 |
10.50 |
2.25 |
4.12 |
4.50 |
8-1.25 |
7.75 |
5.62 |
2.88 |
3.12 |
.31 |
3.12 |
2.97 |
3.00 |
2.25 |
|
|
3 |
12.00 |
2.62 |
5.00 |
5.25 |
8-1.38 |
9.00 |
6.62 |
3.50 |
3.62 |
.38 |
3.62 |
3.60 |
3.63 |
2.50 |
|
|
4 |
14.00 |
3.00 |
6.19 |
6.50 |
8-1.62 |
10.75 |
7.50 |
4.50 |
4.25 |
.44 |
4.25 |
4.60 |
4.63 |
2.75 |
|
|
5 |
16.50 |
3.62 |
7.31 |
8.00 |
8-1.88 |
12.75 |
9.00 |
5.56 |
5.12 |
.44 |
5.12 |
5.69 |
5.69 |
3.00 |
|
|
6 |
19.00 |
4.25 |
8.50 |
9.25 |
8-2.12 |
14.5 |
10.75 |
6.63 |
6.00 |
.50 |
6.00 |
6.75 |
6.75 |
3.25 |
|
|
8 |
21.75 |
5.00 |
10.62 |
12.00 |
12-2.12 |
17.25 |
12.50 |
8.63 |
7.00 |
.50 |
7.00 |
8.75 |
8.75 |
3.75 |
|
|
10 |
26.50 |
6.50 |
12.75 |
14.75 |
12-2.62 |
21.25 |
16.50 |
10.75 |
9.00 |
.50 |
9.00 |
10.92 |
10.88 |
4.25 |
|
|
12 |
30.00 |
7.25 |
15.00 |
17.38 |
12-2.88 |
24.38 |
18.25 |
12.75 |
10.00 |
.50 |
10.00 |
12.92 |
12.94 |
4.75 |
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