568-335 FKM 75 SQUARE CUT RINGS

This quad-ring is supplied in AS568-335 black Viton® (FKM) 70 Shore A square profile with an inside diameter of 2.725 in (69.22 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.145 in (79.88 mm), catalogued under part number SV70335. It provides a dual sealing band on each contact face for improved reliability.

The compound resists aromatic hydrocarbons, many acids, and chlorinated solvents. Viton® (FKM) is valued for the industry benchmark where nitrile reaches its thermal limit and outstanding high-temperature capability. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). It is not the right choice where low-molecular-weight organic acids or ketones and esters are present.

Typical settings include chemical processing, aerospace, and semiconductor equipment.

Reference part number SV70335 when ordering; the item is sold individually. Nominal inside diameter is listed as 2 3/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.