Extra Heavy Pipe Flange Gaskets

Dimensions for 250-300 lb. Extra Heavy Pipe Flange Gaskets

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Flange Size
(Old Style ID)
New Style ID Ring Type OD Full Face OD No. of Holes Size of Holes Bolt Circle
1/2" 27/32" 2-1/8" 3-3/4" 4 5/8" 2-5/8"
3/4" 1-1/16" 2-5/8" 4-5/8" 4 3/4" 3-1/4"
1" 1-5/16" 2-7/8" 4-7/8" 4 3/4" 3-1/2"
1-1/4" 1-21/32" 3-1/4" 5-1/4" 4 3/4" 3-7/8"
1-1/2" 1-29/32" 3-3/4" 6-1/8" 4 7/8" 4-1/2"
2" 2-3/8" 4-3/8" 6-1/2" 8 3/4" 5"
2-1/2" 2-7/8" 5-1/8" 7-1/2" 8 7/8" 5-7/8"
3" 3-1/2" 5-7/8" 8-1/4" 8 7/8" 6-5/8"
3-1/2" 4" 6-1/2" 9" 8 7/8" 6-7/8"
4" 4-1/2" 7-1/8" 10" 8 7/8" 7-7/8"
5" 5-9/16" 8-1/2" 11" 8 7/8" 9-1/4"
6" 6-5/8" 9-7/8" 12-1/2" 12 7/8" 10-5/8"
8" 8-5/8" 12-1/8" 15" 12 1" 13"
10" 10-3/4" 14-1/4" 17-1/2" 16 1-1/8" 15-1/4"
12" 12-3/4" 16-5/8" 20-1/2" 16 1-1/4" 17-3/4"
14" 14" 19-1/8" 23" 20 1-1/4" 20-1/4"
16" 16" 21-1/4" 25-1/2" 20 1-1/4" 22-1/2"
18" 18" 23-1/2" 28" 24 1-1/4" 24-3/4"
20" 20" 25-3/4" 30-1/2" 24 1-3/8" 27"
22" 22" 27-5/8" 33" 24 1-5/8" 29-1/4"
24" 24" 30-1/2" 36" 24 1-5/8" 32"
26" 26" 32-7/8" 38-1/4" 28 1-7/8" 34-1/2"
28" 28" 35-3/8" 40-3/4" 28 1-7/8" 37"
30" 30" 37-1/2" 43" 28 1-7/8" 39-1/4"
32" 32" 39-5/8" 45-1/4" 28 1-7/8" 41-1/2"
34" 34" 41-5/8" 47-1/2" 28 1-7/8" 43-1/2"
36" 36" 44" 50" 32 2-1/8" 46"
38" 38" 46-1/8" 52-1/4" 32 2-1/8" 48"
40" 40" 48-3/8" 54-1/2" 36 2-1/8" 50-1/4"
42" 42" 50-7/8" 57" 36 2-1/8" 52-3/4"
44" 44" 53" 59-1/4" 36 2-1/8" 55"
46" 46" 55-1/4" 61-1/2" 40 2-1/8" 57-1/4"
48" 48" 58-3/4" 65" 40 2-1/8" 60-3/4"

How To Order Pipe Flange Gaskets

  • Specify quantity required
  • Specify thickness and gasket material desired (specify durometer for rubber products)
  • Specify flange size and flange pressure rating
  • Specify either ring or full face type

Example: 100 pcs. 1/16” thick Red Rubber Gasket, 2” 150 lb. ring


Warning - Properties/applications shown throughout this Website are typical. Your specific application should not be undertaken without independent study and evaluation for suitability. For specific application recommendations, consult Beacon Gasket & Seals Co. Failure to select the proper sealing products could result in property damage and/or serious person injury. Performance data published in this Website has been developed from field testing, customer field reports and/or in-house testing. While the utmost care has been used in developing this Website, we assume no responsibility for errors. Specifications subject to change without notice.