568-445 PTFE ORINGS FDA

APG stocks the TFE445, an AS568-445 white PTFE (Teflon) 55 Shore D O-Ring supplied with an inside diameter of 7.975 in (202.57 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 8.525 in (216.54 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to solvents, nearly all industrial chemicals, and steam. PTFE (Teflon) delivers near-universal chemical inertness and a very wide continuous service temperature range. Rated temperature range runs from -65°F (-53.9°C) to 500°F (260°C) in continuous service. Verify compatibility before use with molten alkali metals or elemental fluorine at temperature.

Maintenance and OEM teams specify it across aggressive-media pipelines, pharmaceutical and biotech, and semiconductor fabrication.

Order part number TFE445, sold individually. Nominal inside diameter is listed as 8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.