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Pack of 2- PTFE Envelope Tri-Clamp Gasket, w/FKM Fluoroelastomer Filler

Rubber Fab

Pack of 2- PTFE Envelope Tri-Clamp Gasket, w/FKM Fluoroelastomer Filler

Currently 55 in stock.
$ 5.99

Brand: Rubber Fab
Color: Black 
Material: PTFE w/ FKM Filler
Style: Tri-Clamp®
Temperature Rating: -20°F to 300°F
Type: Type III (Envelope Gaskets)

Unflanged PTFE Envelope Gaskets with FKM Filler provide you with the chemical versatility of a PTFE gasket but the memory of the FKM elastomer. This construction will prevent product contamination, service interruptions, and clean-up costs with running solely elastomer seals. It will also serve you better than standard PTFE Gaskets where slight misalignment of ferrules is observed. While the envelope construction does initially inhibit the creep, cold flow and leaks seen with solely PTFE gaskets, overtime those factors will appear with envelope gaskets as well. For the ultimate solution to these problems we recommend Rubber Fab's Tuf-Flex® Gaskets which have a totally bonded construction that provides an exceptionally pure and incredibly flexible seal.

COMES IN PACK OF 2 

Made in USA


Storing PTFE w/ FKM Filler Envelope Gaskets:

  • Shelf Life: 10 Years from cure date
  • Store in original packaging in clean and dry warehouse
  • Do not expose to direct sunlight
  • Keep more than 6' away from electric motors
  • Maintain temperature between 65°F and 85°F
PTFE / FKM Envelope Gasket Standards Compliance:
  • FDA CFR 21, 177.1550 / FDA CFR 21, 177.2600
  • U.S. Pharmacopeia Class VI Certification
  • ADI Free® (Animal Derived Ingredient Free)
  • Current Good Manufacturing Practices (CGMP)
PTFE / FKM Tri-Clamp® Envelope Gasket Features:
  • Color Code: one white dot, one yellow dot  •  • 
  • -30°F to 400°F Temperature Range
  • Available Flanged or Unflanged
  • Inert chemical characteristics of PTFE
  • Memory of FKM

 

1 = Excellent     2 = Good     3 = Acceptable
4 = Marginal     5 = Poor     6 = Do Not Use
Continuous
Stream
Intermittent
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

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