PTFE Envelope Gaskets

150 lb. Class, PTFE Envelope Gasket Sizes

The sizes listed below show the Envelope gasket dimensions that correspond with the various ANSI Pipe sizes. These dimensions are valid no matter the envelope
type or filler. Select either Old ANSI or New ANSI Standard sizes.

Filler materials include. EPDM, Neoprene, Viton, Silicone, Non-Asbestos etc

PTFE Envelope Gaskets

Thickness
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Size
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  • 1/2"
  • 3/4"
  • 1"
  • 1-1/4"
  • 1-1/2"
  • 2"
  • 2-1/2"
  • 3"
  • 4"
  • 5"
  • 6"
  • 8"
  • 10"
  • 12"
  • 14"
  • 16"
  • 18"
  • 20"
  • 24"
ID
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  • 27/32"
  • 1-1/16"
  • 1-5/16"
  • 1-21/32"
  • 1-29/32"
  • 2-3/8"
  • 2-7/8"
  • 3-1/2"
  • 4-1/2"
  • 5-1/2"
  • 6-5/8"
  • 8-5/8"
  • 10-3/4"
  • 12-3/4"
  • 14"
  • 16"
  • 18"
  • 20"
  • 24"
OD
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  • 1-7/8"
  • 2-1/4"
  • 2-5/8"
  • 3"
  • 3-3/8"
  • 4-1/8"
  • 4-7/8"
  • 5-3/8"
  • 6-7/8"
  • 7-3/4"
  • 8-3/4"
  • 11"
  • 13-3/8"
  • 16-1/8"
  • 17-3/4"
  • 20-1/4"
  • 21-5/8"
  • 23-7/8"
  • 28-1/4"
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1/2" 27/32" 1-7/8"
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3/4" 1-1/16" 2-1/4"
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1" 1-5/16" 2-5/8"
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1-1/4" 1-21/32" 3"
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1-1/2" 1-29/32" 3-3/8"
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2" 2-3/8" 4-1/8"
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2-1/2" 2-7/8" 4-7/8"
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3" 3-1/2" 5-3/8"
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4" 4-1/2" 6-7/8"
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5" 5-1/2" 7-3/4"
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6" 6-5/8" 8-3/4"
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8" 8-5/8" 11"
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10" 10-3/4" 13-3/8"
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12" 12-3/4" 16-1/8"
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14" 14" 17-3/4"
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16" 16" 20-1/4"
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18" 18" 21-5/8"
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20" 20" 23-7/8"
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24" 24" 28-1/4"
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