APG stocks the U70411, an AS568-411 clear Polyurethane (AU/EU) 70 Shore A O-Ring supplied with an inside diameter of 2.725 in (69.22 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 3.275 in (83.19 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Expect good resistance to petroleum oils, abrasion and wear, and extrusion under high pressure. Polyurethane (AU/EU) offers exceptional abrasion resistance and toughness that outperforms conventional rubber compounds. Rated temperature range runs from -65°F (-53.9°C) to 200°F (93.3°C) in continuous service. Verify compatibility before use with hot water and steam or prolonged humidity at elevated temperature.
Common environments for this compound include press and forming equipment, mining and heavy equipment, and hydraulic cylinders.
This item is sold individually under part number U70411. Nominal inside diameter is listed as 2 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description 568-411 URETHANE 70 DURO ORINGS
uf_description2 2.725" (69.22MM) ID X .275" (6.99MM) C/S
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 2.725 inch (69.22 mm)
Actual_OD 3.275 inch (83.19 mm)
ProductCode Description O-Rings - Bulk - Premium