Ring Style Pipe Flange Gaskets – Sizing & Ordering Information

UIP International Inc. I Stocking Locations : Ft. Lauderdale, FL and Houston , TX
Ring Style Pipe Flange Gaskets
Standard and low pressure pipe flanges Class 125# cast iron flanges and fittings Class 150# steel flanges and fittings Medium and extra heavy pipe flanges Class 250# cast iron flanges and fittings Class 300# steel flanges and fittings
Pipe Size in
Inches (I.D.)
New ASA Spec.
B16.21
Gasket Size
Old Standard Gasket Size I.D. and O.D. Pipe Size in
Inches (I.D.)
New ASA Spec.
B16.21
Gasket Size
Old Standard Gasket Size
I.D and O.D.
1/2 27/32 X 1-7/8 1/2 27/32 X 1-7 /8
3/4 1-1/16 X 2-1/4 3/4 X 2-1/8 3/4 1-1/16 X 2-5/8
1 1-5/16 X 2-5/8 1 X 2-5/8 1 1-5/16 X 2-7/8 1 X 2-7/8
1-1/4 1-21/32 X 3-3/8 1-1/4 X 3 1-1/4 1-21/32 X 3-1/4 1-1/4 X 3-1/4
1-1/2 1-29/32 X 3-3/8 1-1/2 X 3-3/8 1-1/2 1-29/32 X 3-3/4 1-1/2 X 3-3/4
2 2-3/8 X 4-1/8 2 X 4-1/8 2 2-3/8 X 4-3/8 2-3/8 X 4-3/8
2-1/2 2-7/8 X 4-7/8 2-1/2 X 4-7/8 2-1/2 2-7/8 X 5-1/8 2-7/8 X 5-1/8
3 3-1/2 X 5-3/8 3 X 5-3/8 3 3-1/2 X 5-7/8 3-1/2 X 5-7/8
3-1/2 4 X 6-3/8 3-1/2 X 6-3/8 3-1/2 4 X 6-1/2 4 X 6-1/2
4 4-1/2 X 6-7/8 4 X 6-7/8 4 4-1/2 X 7-1/8 4-1/2 X 7-1/8
4-1/2 5×7 4-1/2 X 7 4-1/2 5 X 7-5/8 5 X 7-5/8
5 5-9/16 X 7-3/4 5 X 7-3/4 5 5-9/16 X 8-1/2 5-9/16 X 8-1/2
6 6-5/8 X 8-3/4 6 X 8-3/4 6 6-5/8 X 9-7/8 6-5/8 X 9-7/8
7 7-5/8 X 10 7 X 10 7 7-5/8 X 10-7/8 7-5/8 X 10-7/8
8 8-5/8 X 10 8 X 11 8 8-5/8 X 12-1/8 8 X 12-1 /8
10 10-3/4 X 13-3 /8 10 X 13-3/8 10 10-3/4 X 14-1/4 10 X 14-1/4
12 12-3/4 X 16-1/8 12 X 16-1 /8 12 12-3/4 X 16-5 /8 12 X 16-5 /8
14 14 X 17-3 /4 14 X 17-3 /4 14 14 X 19-1/8 13-1/4 X 19-1/8
15 15 X 19 15 X 19 15 15 X 20-1/8 14-1/4 X 20-1/8
16 16×20-1/4 16 x 20-1/4 16 16 X 21-1/4 15-1/4 X 21-1/4
18 18 X 21-5/8 18 X 21-5/8
20 20 X 23-7/8 20 X 23-7/8 18 18 X 23-1/2 17 X 23-1/2
22 22 X 26 22 X 26 20 20 X 25-3/4 19 X 25-3/4
24 24 X 28-1/4 24 X 28-1/4 22 22 X 27-5/8 21 X 27-5/8
26 26 X 30-1/2 26 X 30-1/2 24 24 X  30-1/2 23 X 30-1/2
28 28 X 32-3/4 28 X 32-3/4 26 30 X  37-1/2 29 X  37-1/2
30 30 X 34-3/4 30 X 34-3/4
36 36 X 41-1/4 36 X 41-1/4 36 36 X  44 34-1/2 X 44
42 42 X 48 42 X 47-7/8 42 42 X  50-3/4 40-1/4 X  50-3/4
48 48 X 54-1/2 48 X 54-3/8 48 48 X 58-3/4 46 X 58-3/4
Orders must specify NEW ASA or OLD STANDARD plus I.D. and O.D. dimensions.
Call for pricing.
Sheet Rubber Products and Gaskets
www.uipintl.com I Phone : 800.257.2467 I Fax: 954.946.3583 I Email : sales@uipintl.com All sheet packing is made to RMA specifications