Style 3565 Envelon®
PTFE Gasketing with aluminosilicate microsphere filler.
Benefits
Tighter seal
- Soft, deformable exterior conforms to surface irregularities; ideal for worn, warped or pitted flanges
- Stable blue core improves cold flow resistance
- Low bolt load requirements ensure a tight seal on glass-lined or wavy flanges*
- Direct sintering of GYLON® layers prevents leak paths and adhesive contamination
Easy to install
- Unitized construction avoids jacket foldover
- Rigid core facilitates installation of large gaskets
Minimizes inventory
- Custom-cut gaskets from large sheets offer convenience while reducing costly inventory buildup
- Ideal replacement for slit, milled, formed shield and double jacketed envelope gaskets*
Media
- Moderate concentrations of acids and caustics, hydrocarbons, solvents, cryogenics, and glass-lined equipment
*When sealing uneven flanges, gasket must be four times thicker than maximum gap between flanges.
| Specifications | |
|---|---|
| Min. Temperature: | -450°F (-268°C) |
| Continuous Max: | +500°F (+260°C) |
| Max Pressure: | 1200 psig (83 bar) |
| Maximum PxT 1/16: | 350,000 (°F x PSIG) |
| Maximum PxT 1/8: | 250,000 (°F x PSIG) |
| ASTM F104 | F457999A9B6E99M6(3,4) |