Buna 70-234-Black-Pk50

APG stocks the SB-H70234-50, an AS568-234 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 2.984 in (75.79 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.262 in (82.85 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint. Source specification: 3.25IDX3"ODX.125"CS.

As a material, Buna-N (Nitrile) offers strong abrasion and tear resistance, reliable performance in both static and dynamic service. The compound resists water, petroleum-based oils, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

It sees regular use in agricultural equipment, fluid power, and construction equipment.

This item is sold by the bag under part number SB-H70234-50. Check the compound against your process media, pressure and temperature before committing to a design.