APG stocks the SV70152, an AS568-152 black Viton® (FKM) 70 Shore A square profile Quad-Ring measuring an inside diameter of 3.237 in (82.22 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.443 in (87.45 mm). A quad-ring provides a dual sealing band on each contact face for improved reliability.
Viton® (FKM) offers very low compression set at elevated temperature and long service life in hot, chemically aggressive environments. Expect good resistance to engine and transmission fluids, petroleum oils and fuels, and many acids. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with ketones and esters or low-molecular-weight organic acids.
Maintenance and OEM teams specify it across oil and gas, aerospace, and chemical processing.
Reference part number SV70152 when ordering; the item is sold individually. Nominal inside diameter is listed as 3 1/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 568-152 FKM 75 SQUARE CUT RINGS
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 3.237 inch (82.22 mm)
Actual_OD 3.443 inch (87.45 mm)
ProductCode Description O-Rings - Square/Quad - Commodity