568-331 PTFE ORINGS FDA

TFE331 is an AS568-331 white PTFE (Teflon) 55 Shore D O-Ring measuring an inside diameter of 2.225 in (56.52 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.645 in (67.18 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

PTFE (Teflon) delivers near-universal chemical inertness and excellent dielectric properties. It resists nearly all industrial chemicals, steam, and strong acids and bases. Continuous operating temperature is published at -65°F (-53.9°C) to 500°F (260°C). Verify compatibility before use with molten alkali metals or elemental fluorine at temperature.

Maintenance and OEM teams specify it across laboratory equipment, aggressive-media pipelines, and food and beverage.

TFE331 ships individually. Nominal inside diameter is listed as 2 1/4 inch. Check the compound against your process media, pressure and temperature before committing to a design.