Ordered as U70265, this is an AS568-265 clear Polyurethane (AU/EU) 70 Shore A O-Ring built to an inside diameter of 7.734 in (196.44 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 8.012 in (203.5 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Polyurethane (AU/EU) is specified here for outstanding extrusion resistance at elevated pressure and long wear life in dynamic reciprocating service. The compound resists abrasion and wear, petroleum oils, and impact and shock loading. Continuous operating temperature is published at -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.
Typical settings include mining and heavy equipment, high-pressure fluid power, and off-highway equipment.
Order part number U70265, sold individually. Nominal inside diameter is listed as 7 3/4 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description 568-265 URETHANE 70 DURO ORINGS
uf_description2 7.734" (196.44MM) ID X .139" (3.53MM)
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 7.734 inch (196.44 mm)
Actual_OD 8.012 inch (203.5 mm)
ProductCode Description O-Rings - Bulk - Premium