APG stocks the SV70165, an AS568-165 black Viton® (FKM) 70 Shore A square profile Quad-Ring measuring an inside diameter of 6.487 in (164.77 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 6.693 in (170 mm). A quad-ring provides a dual sealing band on each contact face for improved reliability.
Viton® (FKM) is specified here for very low compression set at elevated temperature and long service life in hot, chemically aggressive environments. The compound resists aromatic hydrocarbons, many acids, and chlorinated solvents. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Verify compatibility before use with ketones and esters or amines.
You will find this material specified across chemical processing, automotive fuel systems, and aerospace.
This item is sold individually under part number SV70165. Nominal inside diameter is listed as 6 1/2 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 568-165 FKM 75 SQUARE CUT RINGS
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 6.487 inch (164.77 mm)
Actual_OD 6.693 inch (170 mm)
ProductCode Description O-Rings - Square/Quad - Commodity