APG stocks the U70176, an AS568-176 clear Polyurethane (AU/EU) 70 Shore A O-Ring built to an inside diameter of 9.237 in (234.62 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 9.443 in (239.85 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
As a material, Polyurethane (AU/EU) is specified for outstanding extrusion resistance at elevated pressure and long wear life in dynamic reciprocating service. It resists extrusion under high pressure, abrasion and wear, and impact and shock loading. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C). It should not be specified for service in ketones or prolonged humidity at elevated temperature.
You will find this material specified across hydraulic cylinders, off-highway equipment, and mining and heavy equipment.
Order part number U70176, sold individually. 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 568-176 URETHANE 70 DURO ORINGS
uf_description2 9.237" (234.62MM) ID X .103" (2.62MM)
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 9.237 inch (234.62 mm)
Actual_OD 9.443 inch (239.85 mm)
ProductCode Description O-Rings - Bulk - Premium