Selco Seal Gaskets - Style 1530 Insertable Gasket Features Single gasket fits 150# or 300# Reduce gasket inventory Drop-In minimum bolt removal Fits all flange styles Replace spiral wound and sheet material Metal carrier 304SS, 316SS Flexible Graphite, PTFE, Fiberfrax Double sealing tracks Mix or Match sealing material Flange finish 10 to 400 micro inches rms Sealing stress <3000 psi Leak rate <10 ppm @He pH 0 to 14 Wide thermal operating range Fire Safe 50000F Blowout Proof 5000 psi No Re-torquing, No over compression US Navy Approved for lube oil and steam Styles for ANSI, DIN, JIS, BS, Navy Drill Main Selco Seal Page Operating Parameters Selco Style 1530 Selco Style 1530 PTFE / 1530 PTFE and Flexible Graphite