Foster O70 Series 1/4″ x 3/8″ I.D. x 11/16″ O.D. Ball Lock, Brass Reusable Hose Clamp Standard Socket Couplers are designed for use with compressed air and other gases. Ideal for uses in general pneumatics, breathing equipment, welding shipyards and construction. The O60 couplings (green sleeve band) are used with oxygen at 100 psig or less – the O70 Series couplings (red sleeve band) are used with acetylene at 15 psig or less. When used for oxygen/acetylene service, order with Ball Lock (BL) to comply with OSHA Std. 1915.55(f)(5).
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