568-042 FKM 75 SQUARE CUT RINGS

This quad-ring is supplied in AS568-042 black Viton® (FKM) 70 Shore A square profile built to an inside diameter of 3.239 in (82.27 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 3.379 in (85.83 mm), catalogued under part number SV70042. It resists spiral failure in reciprocating service thanks to its multi-lobe geometry.

Viton® (FKM) delivers very low compression set at elevated temperature and outstanding high-temperature capability. It resists engine and transmission fluids, aggressive chemicals, and aromatic hydrocarbons. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with hot water and steam or low-molecular-weight organic acids.

You will find this material specified across high-temperature process equipment, chemical processing, and semiconductor equipment.

SV70042 ships individually. Nominal inside diameter is listed as 3 1/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.