PTFE Ring Gasket W/304 SS Core
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PTFE Ring Gasket W/304 SS Core

Made from virgin PTFE resin totally encapsulating a perforated 304 stainless steel reinforcement ring, a molded PTFE / 304SS insert gasket is resistant to creep and cold flow, it has exceptional sealability qualities. 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.

 

Governing StandardsPTFE Ring Gasket W/304 SS Core

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 SpecificationsPTFE Ring Gasket W/304 SS Core

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.
PTFE Ring Gasket W/304 SS Core
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Pipe Diameter Flange Rating Series Thickness Item # Availability Price Quantity UOM
1/2 150# - 1/8 GRMPTF-1500050-1/8 In Stock $9.078/EA EA
1/2 300#, 400#, 600# - 1/8 GRMPTF-3460050-1/8 5-7 Working Days $12.9495/EA EA
3/4 150# - 1/8 GRMPTF-1500075-1/8 In Stock $9.7455/EA EA
3/4 300#, 400#, 600# - 1/8 GRMPTF-3460075-1/8 In Stock $14.3646/EA EA
1 150# - 1/8 GRMPTF-1500100-1/8 In Stock $10.5465/EA EA
1 300#, 400#, 600# - 1/8 GRMPTF-3460100-1/8 In Stock $15.8865/EA EA
1 1/4 150# - 1/8 GRMPTF-1500125-1/8 5-7 Working Days $12.549/EA EA
1 1/4 300#, 400#, 600# - 1/8 GRMPTF-3460125-1/8 5-7 Working Days $17.355/EA EA
1 1/2 150# - 1/8 GRMPTF-1500150-1/8 In Stock $13.083/EA EA
1 1/2 300#, 400#, 600# - 1/8 GRMPTF-3460150-1/8 In Stock $18.5565/EA EA
2 150# - 1/8 GRMPTF-1500200-1/8 In Stock $6.5415/EA EA
2 300#, 400#, 600# - 1/8 GRMPTF-3460200-1/8 5-7 Working Days $20.9595/EA EA
2 1/2 150# - 1/8 GRMPTF-1500250-1/8 5-7 Working Days $19.3575/EA EA
2 1/2 300#, 400#, 600# - 1/8 GRMPTF-3460250-1/8 5-7 Working Days $27.234/EA EA
3 150# - 1/8 GRMPTF-1500300-1/8 In Stock $20.4789/EA EA
3 300#, 400#, 600# - 1/8 GRMPTF-3460300-1/8 In Stock $28.4355/EA EA
4 150# - 1/8 GRMPTF-1500400-1/8 In Stock $24.6174/EA EA
4 300# - 1/8 GRMPTF-3000400-1/8 In Stock $33.5085/EA EA
5 150# - 1/8 GRMPTF-1500500-1/8 In Stock $31.3725/EA EA
5 300# - 1/8 GRMPTF-3000500-1/8 In Stock $42.453/EA EA
6 150# - 1/8 GRMPTF-1500600-1/8 In Stock $33.5085/EA EA
6 300# - 1/8 GRMPTF-3000600-1/8 In Stock $43.3875/EA EA
8 150# - 1/8 GRMPTF-1500800-1/8 In Stock $46.725/EA EA
8 300# - 1/8 GRMPTF-3000800-1/8 In Stock $60.4755/EA EA
10 150# - 1/8 GRMPTF-1501000-1/8 In Stock $62.0775/EA EA
10 300# - 1/8 GRMPTF-3001000-1/8 In Stock $79.8864/EA EA
12 150# - 1/8 GRMPTF-1501200-1/8 In Stock $90.3795/EA EA
12 300# - 1/8 GRMPTF-3001200-1/8 In Stock $114.81/EA EA
14 150# - 1/8 GRMPTF-1501400-1/8 5-7 Working Days $256.32/EA EA
14 300# - 1/8 GRMPTF-3001400-1/8 5-7 Working Days $362.9865/EA EA
16 150# - 1/8 GRMPTF-1501600-1/8 5-7 Working Days $318.9315/EA EA
16 300# - 1/8 GRMPTF-3001600-1/8 5-7 Working Days $454.9146/EA EA
18 150# - 1/8 GRMPTF-1501800-1/8 5-7 Working Days $379.8075/EA EA
18 300# - 1/8 GRMPTF-3001800-1/8 5-7 Working Days $529.995/EA EA
20 150# - 1/8 GRMPTF-1502000-1/8 5-7 Working Days $453.9/EA EA
20 300# - 1/8 GRMPTF-3002000-1/8 5-7 Working Days $655.752/EA EA
24 150# - 1/8 GRMPTF-1502400-1/8 5-7 Working Days $631.455/EA EA
24 300# - 1/8 GRMPTF-3002400-1/8 5-7 Working Days $1,054.65/EA EA