Ordered as U70283, this is an AS568-283 clear Polyurethane (AU/EU) 70 Shore A O-Ring supplied with an inside diameter of 16.955 in (430.66 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 17.233 in (437.72 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
The material holds up against extrusion under high pressure, abrasion and wear, and ozone. Polyurethane (AU/EU) delivers outstanding extrusion resistance at elevated pressure and long wear life in dynamic reciprocating service. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C). Applications involving ketones or prolonged humidity at elevated temperature call for a different compound.
You will find this material specified across hydraulic cylinders, mining and heavy equipment, and press and forming equipment.
This item is sold individually under part number U70283. Nominal inside diameter is listed as 17 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 568-283 URETHANE 70 DURO ORINGS
uf_description2 16.955" (430.66MM) ID X .139" (3.53MM
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 16.955 inch (430.66 mm)
Actual_OD 17.233 inch (437.72 mm)
ProductCode Description O-Rings - Bulk - Premium