This o-ring is supplied in AS568-227 clear Polyurethane (AU/EU) 90 Shore A measuring an inside diameter of 2.109 in (53.57 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.387 in (60.63 mm), catalogued under part number U90227. It remains the most cost-effective sealing element available for pressurized assemblies.
As a material, Polyurethane (AU/EU) is widely chosen for exceptional abrasion resistance and long wear life in dynamic reciprocating service. It resists abrasion and wear, petroleum oils, and ozone. Published continuous service range is -65°F (-53.9°C) to 200°F (93.3°C). It should not be specified for service in ketones or acids and bases.
You will find this material specified across hydraulic cylinders, construction machinery, and high-pressure fluid power.
Stocked as U90227 and sold individually. Nominal inside diameter is listed as 2 1/8 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.
description *568-227 URETHANE 90 ORINGS -PREM GRADE
uf_description2 2.109" (53.57MM) ID X .139" (3.53MM)
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 2.109 inch (53.57 mm)
Actual_OD 2.387 inch (60.63 mm)
ProductCode Description O-Rings - Bulk - Premium