316 SS Corrugated Metal Ring Gasket
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316 SS Corrugated Metal Ring Gasket

Ring gaskets are a flat sealing element, consisting of an inner and outer diameter sized to fit a flange's bore and bolt circle. Ring gaskets sit inside the flange's bolt circle. ASME B16.20 govern the dimensions of ring gaskets for standard diameter pipe flanges. A corrugated metal gasket has a metal core with flexible graphite facings. It combines the sealing properties of the flexible graphite with the extrusion resistance of the corrugated metal core. The main advantage for using this type gasket is that it provides an extremely effective seal under low bolt loads. This makes the gasket ideal for applications where the available loading is determined to be low and unsuitable for spiral wound or other type of gasket requiring high seating stress. It is designed to maintain a positive seal through thermal cycling and shock load conditions. These gaskets have passed an industry fire test, a relative indicator of the gasket's ability to resist fire conditions. One of the most frequent uses of a corrugated metal gasket are in shell and tube heat exchangers, due to their ability of to avoid mechanical shearing problems associated other gasket types in heavy thermal cycling applications.

 

Governing Standards316 SS Corrugated Metal Ring Gasket

ASME B16.20 Covers metal ring-joint gaskets, spiral-wound gaskets, metal-jacketed gaskets, and grooved metal gaskets with covering layers pipe diameters up through 24".

Dimensional Specifications316 SS Corrugated Metal Ring Gasket

Per ASME B16.20-2017
  Pipe Diameter
1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 3 1/2 4 5 6 8 10 12 14 16 18 20 24
Inner Ring ID
per Class
150# 0.8438 1.0625 1.3125 1.6563 2.3750 2.3750 2.8750 3.5000 4.0000 4.5000 5.5625 6.6250 8.6250 10.7500 12.7500 14.0000 16.0000 18.0000 20.0000 24.0000
300#,
400#,
600#
0.8438 1.0625 1.3125 1.6563 2.3750 2.3750 2.8750 3.5000                        
300#                 4.0000 4.5000 5.5625 6.6250 8.6250 10.7500 12.7500 14.0000 16.0000 18.0000 20.0000 24.0000
Outer Ring OD
per Class
150# 1.8750 2.2500 2.6250 3.0000 3.3750 4.1250 4.8750 5.3750 6.3750 6.8750 7.7500 8.7500 11.0000 13.3750 16.1250 17.7500 20.2500 21.6250 23.8750 28.2500
300#,
400#,
600#
2.1250 2.6250 2.8750 3.2500 3.7500 4.3800 5.1250 5.8750                        
300#                 6.5000 7.1250 8.5000 9.8750 12.1250 14.2500 16.6250 19.1250 21.2500 23.5000 25.7500 30.5000
Thickness /All Classes 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938 0.0938
  1. All dimensions are in inches.
316 SS Corrugated Metal Ring Gasket
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Pipe Diameter Flange Rating Series Thickness Item # Availability Price Quantity UOM
1/2 150# - 1/8 GRCMGC-1500050-1/8 In Stock $2.107/EA EA
1/2 300#, 400#, 600# - 1/8 GRCMGC-3460050-1/8 In Stock $2.193/EA EA
3/4 150# - 1/8 GRCMGC-1500075-1/8 In Stock $2.193/EA EA
3/4 300#, 400#, 600# - 1/8 GRCMGC-3460075-1/8 In Stock $2.322/EA EA
1 150# - 1/8 GRCMGC-1500100-1/8 In Stock $2.322/EA EA
1 300#, 400#, 600# - 1/8 GRCMGC-3460100-1/8 In Stock $2.8165/EA EA
1 1/4 150# - 1/8 GRCMGC-1500125-1/8 5-7 Working Days $2.9455/EA EA
1 1/4 300#, 400#, 600# - 1/8 GRCMGC-3460125-1/8 5-7 Working Days $3.1175/EA EA
1 1/2 150# - 1/8 GRCMGC-1500150-1/8 In Stock $3.2895/EA EA
1 1/2 300#, 400#, 600# - 1/8 GRCMGC-3460150-1/8 In Stock $3.5475/EA EA
2 150# - 1/8 GRCMGC-1500200-1/8 In Stock $3.6335/EA EA
2 300#, 400#, 600# - 1/8 GRCMGC-3460200-1/8 In Stock $4.128/EA EA
2 1/2 150# - 1/8 GRCMGC-1500250-1/8 5-7 Working Days $4.085/EA EA
2 1/2 300#, 400#, 600# - 1/8 GRCMGC-3460250-1/8 5-7 Working Days $4.386/EA EA
3 150# - 1/8 GRCMGC-1500300-1/8 In Stock $4.773/EA EA
3 300#, 400#, 600# - 1/8 GRCMGC-3460300-1/8 In Stock $6.278/EA EA
4 150# - 1/8 GRCMGC-1500400-1/8 In Stock $6.3855/EA EA
4 300# - 1/8 GRCMGC-3000400-1/8 In Stock $7.095/EA EA
5 150# - 1/8 GRCMGC-1500500-1/8 5-7 Working Days $9.159/EA EA
5 300# - 1/8 GRCMGC-3000500-1/8 In Stock $10.879/EA EA
6 150# - 1/8 GRCMGC-1500600-1/8 In Stock $9.7395/EA EA
6 300# - 1/8 GRCMGC-3000600-1/8 In Stock $11.6315/EA EA
8 150# - 1/8 GRCMGC-1500800-1/8 5-7 Working Days $12.3195/EA EA
8 300# - 1/8 GRCMGC-3000800-1/8 In Stock $14.2115/EA EA
10 150# - 1/8 GRCMGC-1501000-1/8 In Stock $16.4475/EA EA
10 300# - 1/8 GRCMGC-3001000-1/8 In Stock $19.866/EA EA
12 150# - 1/8 GRCMGC-1501200-1/8 In Stock $27.606/EA EA
12 300# - 1/8 GRCMGC-3001200-1/8 In Stock $29.0035/EA EA
14 150# - 1/8 GRCMGC-1501400-1/8 In Stock $32.594/EA EA
14 300# - 1/8 GRCMGC-3001400-1/8 In Stock $36.851/EA EA
16 150# - 1/8 GRCMGC-1501600-1/8 In Stock $40.9575/EA EA
16 300# - 1/8 GRCMGC-3001600-1/8 5-7 Working Days $44.3975/EA EA
18 150# - 1/8 GRCMGC-1501800-1/8 5-7 Working Days $47.128/EA EA
18 300# - 1/8 GRCMGC-3001800-1/8 5-7 Working Days $54.137/EA EA
20 150# - 1/8 GRCMGC-1502000-1/8 In Stock $56.072/EA EA
20 300# - 1/8 GRCMGC-3002000-1/8 5-7 Working Days $63.124/EA EA
24 150# - 1/8 GRCMGC-1502400-1/8 In Stock $75.723/EA EA
24 300# - 1/8 GRCMGC-3002400-1/8 5-7 Working Days $86.473/EA EA