568-168 URETHANE 70 DURO ORINGS

APG stocks the U70168, an AS568-168 clear Polyurethane (AU/EU) 70 Shore A O-Ring with an inside diameter of 7.237 in (183.82 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 7.443 in (189.05 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

The compound resists impact and shock loading, extrusion under high pressure, and ozone. Polyurethane (AU/EU) offers long wear life in dynamic reciprocating service, very high tensile strength and load capacity. Rated temperature range runs from -65°F (-53.9°C) to 200°F (93.3°C) in continuous service. Applications involving hot water and steam or acids and bases call for a different compound.

You will find this material specified across construction machinery, high-pressure fluid power, and hydraulic cylinders.

Reference part number U70168 when ordering; the item is sold individually. Nominal inside diameter is listed as 7 1/4 inch. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.