568-137 FKM 75 SQUARE CUT RINGS

SV70137 is an AS568-137 black Viton® (FKM) 70 Shore A square profile Quad-Ring measuring an inside diameter of 2.05 in (52.07 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.256 in (57.3 mm). In service, this quad-ring resists spiral failure in reciprocating service thanks to its multi-lobe geometry.

Viton® (FKM) is specified here for outstanding high-temperature capability and industry benchmark where nitrile reaches its thermal limit. This material stands up to engine and transmission fluids, chlorinated solvents, and petroleum oils and fuels. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service.

Typical settings include chemical processing, automotive fuel systems, and high-temperature process equipment.

Order part number SV70137, sold individually. Nominal inside diameter is listed as 2 1/16 inch. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.