568-349 FKM 75 SQUARE CUT RINGS

SV70349 is an AS568-349 black Viton® (FKM) 70 Shore A square profile Quad-Ring built to an inside diameter of 4.475 in (113.67 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.895 in (124.33 mm). In service, this quad-ring seats in a standard o-ring gland while offering improved dynamic performance.

Viton® (FKM) offers outstanding high-temperature capability, excellent resistance to compression set and permeation. Expect good resistance to aromatic hydrocarbons, many acids, and chlorinated solvents. 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 amines.

Typical settings include chemical processing, semiconductor equipment, and oil and gas.

This item is sold individually under part number SV70349. Nominal inside diameter is listed as 4 1/2 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.