363 PTFE SOLID BACKUP RING FDA

Part number TST363SO is an AS568-363 white PTFE (Teflon) 55 Shore D Back-Up Ring with an inside diameter of 6.475 in (164.47 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 6.895 in (175.13 mm). A back-up ring allows a standard o-ring to operate at higher pressures than it could unsupported.

This material stands up to steam, solvents, and nearly all industrial chemicals. That behavior comes from the compound itself: PTFE (Teflon) is valued for near-universal chemical inertness and non-stick, non-contaminating surface characteristics. Rated temperature range runs from -65°F (-53.9°C) to 500°F (260°C) in continuous service.

You will find this material specified across food and beverage, aggressive-media pipelines, and pharmaceutical and biotech.

Reference part number TST363SO when ordering; the item is sold individually. Review your operating media and conditions against this specification before installation.