Flanges
Buttweld Fittings
Forged Fittings
Dairy & Hygenic Fittings
Screwed Fittings
Other Fittings
Hoses Fitting
Automotive Parts
Forged Rings/Bellow End Rings / Exhaust Rings 
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Stainless Steel Pipes & Tubes
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Stainless Steel Sheets & Plates
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Stainless Steel Slit/Strips Coil
 
 

Flanges Dimensions

Flange Weight

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ASA 2500# DIMENSION

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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