568-427 FKM 75 SQUARE CUT RINGS

Ordered as SV70427, this is an AS568-427 black Viton® (FKM) 70 Shore A square profile Quad-Ring supplied with an inside diameter of 4.725 in (120.02 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.275 in (133.99 mm). The quad-ring resists spiral failure in reciprocating service thanks to its multi-lobe geometry.

Viton® (FKM) is specified for outstanding high-temperature capability and very low compression set at elevated temperature. The material holds up against many acids, chlorinated solvents, and aggressive chemicals. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C).

It sees regular use in semiconductor equipment, chemical processing, and aerospace.

Order part number SV70427, sold individually. Nominal inside diameter is listed as 4 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.