APG stocks the SV70223, an AS568-223 black Viton® (FKM) 70 Shore A square profile Quad-Ring supplied with an inside diameter of 1.609 in (40.87 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.887 in (47.93 mm). A quad-ring delivers lower friction and better sealing stability than a comparable round-section o-ring.
Viton® (FKM) is known for excellent resistance to compression set and permeation, long service life in hot, chemically aggressive environments. It resists aromatic hydrocarbons, aggressive chemicals, and petroleum oils and fuels. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Applications involving amines or ketones and esters call for a different compound.
You will find this material specified across high-temperature process equipment, oil and gas, and automotive fuel systems.
Order part number SV70223, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 568-223 FKM 75 SQUARE CUT RINGS
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 1.609 inch (40.87 mm)
Actual_OD 1.887 inch (47.93 mm)
ProductCode Description O-Rings - Square/Quad - Commodity