568-228 BUNA 70 SQUARE CUT RINGS

SH70228 is an AS568-228 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring supplied with an inside diameter of 2.234 in (56.74 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.512 in (63.8 mm). In service, this quad-ring provides a dual sealing band on each contact face for improved reliability.

As a material, Buna-N (Nitrile) delivers low compression set under sustained load and an economical choice for high-volume maintenance programs. This material stands up to hydraulic fluids, water, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or polar solvents.

Common environments for this compound include automotive, agricultural equipment, and construction equipment.

SH70228 ships individually. Unit weight is approximately 2.353 g and nominal inside diameter is listed as 2 1/4 inch. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.