APG stocks the U70169, an AS568-169 clear Polyurethane (AU/EU) 70 Shore A O-Ring supplied with an inside diameter of 7.487 in (190.17 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 7.693 in (195.4 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Polyurethane (AU/EU) is known for very high tensile strength and load capacity, long wear life in dynamic reciprocating service. The compound resists impact and shock loading, petroleum oils, and ozone. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C). Exposure to ketones or acids and bases will shorten service life.
You will find this material specified across high-pressure fluid power, off-highway equipment, and hydraulic cylinders.
Reference part number U70169 when ordering; the item is sold individually. Nominal inside diameter is listed as 7 1/2 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Description 568-169 URETHANE 70 DURO ORINGS
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 7.487 inch (190.17 mm)
Actual Outside Diameter 7.693 inch (195.4 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium