APG stocks the U70201, an AS568-201 clear Polyurethane (AU/EU) 70 Shore A O-Ring with an inside diameter of 0.171 in (4.34 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.449 in (11.4 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Polyurethane (AU/EU) is specified for outstanding extrusion resistance at elevated pressure, very high tensile strength and load capacity. The material holds up against ozone, petroleum oils, and abrasion and wear. Published continuous service range is -65°F (-53.9°C) to 200°F (93.3°C). Verify compatibility before use with hot water and steam or acids and bases.
It sees regular use in mining and heavy equipment, press and forming equipment, and hydraulic cylinders.
Stocked as U70201 and sold individually. Nominal inside diameter is listed as 3/16 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description 568-201 URETHANE 70 DURO ORINGS
uf_description2 .171" (4.34MM) ID X .139" (3.53MM) CS
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 0.171 inch (4.34 mm)
Actual_OD 0.449 inch (11.4 mm)
ProductCode Description O-Rings - Bulk - Premium