-157 BLACK CHEMOURS VITON 75D O-RING

APG stocks the VITON75157, an AS568-157 black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 4.487 in (113.97 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.693 in (119.2 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Viton® (FKM) delivers excellent resistance to compression set and permeation, very low compression set at elevated temperature. The material holds up against aggressive chemicals, many acids, and chlorinated solvents. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service. Verify compatibility before use with hot water and steam or amines.

You will find this material specified across aerospace, high-temperature process equipment, and automotive fuel systems.

Stocked as VITON75157 and sold individually. Unit weight is approximately 3.657 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.