568-337 PTFE ORINGS FDA

The TFE337 is an AS568-337 white PTFE (Teflon) 55 Shore D O-Ring with an inside diameter of 2.975 in (75.57 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.395 in (86.23 mm). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

PTFE (Teflon) offers near-universal chemical inertness and one of the lowest coefficients of friction of any solid. It resists solvents, strong acids and bases, and steam. Service temperature is rated from -65°F (-53.9°C) through 500°F (260°C). Verify compatibility before use with molten alkali metals or service requiring elastic recovery.

Common environments for this compound include food and beverage, aggressive-media pipelines, and chemical processing.

Order part number TFE337, sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.