PTFE & Viton (FKM) Envelope Gaskets

Regular price $2.99

Options: (See below for temp ratings)

  • 1.5" PTFE Envelope Gasket with FKM (Viton) Filler - Comes in pack of 2
  • 2" FKM (Viton) Gasket - Comes in pack of 2
  • 2" PTFE Gasket - Comes in pack of 1
  • 3" PTFE Envelope Gasket with FKM (Viton) Filler - Comes in pack of 2
  • 4" PTFE Envelope Gasket with FKM (Viton) Filler - Comes in pack of 2
  • 6" PTFE Envelope Gasket with FKM (Viton) Filler - Comes in pack of 1
  • 10" PTFE Envelope Gasket with FKM (Viton) Filler - Comes in pack of 1
  • 12" PTFE Envelope Gasket with FKM (Viton) Filler - Comes in pack of 1

A PTFE envelope gasket has the chemical resistance of PTFE and the elastomeric characteristics of EPDM or FKM Fluoroelastomer aka (Viton). The PTFE envelope gasket meets FDA and USP Class VI standards.

1 = Excellent     2 = Good     3 = Acceptable
4 = Marginal     5 = Poor     6 = Do Not Use
Material Cont.
Steam
Inter.
Steam
Pure
Water
Ambient
Pure
Water
Hot
Process
Fluids
Ambient
Process
Fluids
Hot
Process
Fluid Variables
0°-100°C
Temperature
Range
Tuf-Steel® 1 1 1 1 1 1 1 -350°-550°F
Tuf-Flex® 1 1 1 1 1 1 1 -20°-300°F
Food-Flex® 1 1 1 1 1 1 1 -30°-250°F
PTFE 1 1 1 1 1 1 3 -100° to 500°F
Silicone
(platinum)
2 2 2 2 2 2 1 -40°-450°F
Silicone
(peroxide)
2 2 2 2 2 2 1 -40°-450°F
FKM 3 2 2 2 2 2 2 -30°-400°F
EPDM
(peroxide)
3 3 3 3 3 3 3 -30°-300°F
Buna 0 0 5 5 5 5 5 -30°-200°F