PTFE Envelope Gasket with FKM – Unflanged Tri-Clamp Seal – 4" PTFE Gasket

PTFE Envelope Gasket with FKM – Unflanged Tri-Clamp® Seal Premium sanitary gasket combining chemical versatility and sealing memory for demanding process applications. This hybrid design prevents product contamination, reduces service interruptions, and minimizes clean-up costs compared to using elastomer-only seals. Unlike standard PTFE gaskets, the envelope construction offers better sealing performance in cases of slight ferrule misalignment—making it a reliable choice for sanitary processing lines where precision and purity are critical. Available Sizes Chemical Compatibility – PTFE resists a wide range of aggressive chemicals. Secure, Long-Lasting Seal – FKM provides excellent memory and durability. Temperature Rated – Operates from -30°F to 400°F . Sanitary Process Ready – Ideal for food, beverage, pharmaceutical, cannabis, and chemical applications. Easy Identification – Color code: one white dot, one yellow dot. ADI Free® (Animal Derived Ingredient Free) Storage Recommendations Shelf Life: 10 years from cure date Store in original packaging in a clean, dry warehouse Avoid direct sunlight Keep more than 6 ft from electric motors Maintain temperature between 65°F and 85°F Pro Tip: While these gaskets significantly reduce creep, cold flow, and leaks compared to pure PTFE seals, these effects may develop over time. For the ultimate long-term solution, consider Rubber Fab’s Tuf-Flex® Gaskets with a fully bonded construction for an exceptionally pure, flexible, and durable seal.

Decimal Engineered Systems
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