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ARO 637303-AA Pneumatic Solenoid Valve Two Way Three Eighths Inch NPT
ARO 637303-AA Pneumatic Solenoid Valve Two Way Three Eighths Inch NPT
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Description:
637303-AA is a Santoprene fluid-end repair kit for ARO 3-inch EXP diaphragm pumps, pairing a Santoprene diaphragm with Santoprene balls to renew the pump’s wet-end seals and restore performance. The kit carries the ARO part number 637303-AA and is designed for service use to replace worn diaphragms and related wet-end components without replacing the entire pump. It is specifically associated with ARO’s EXP 3-inch series diaphragm pumps, offering a focused maintenance solution for those models. Typical applications include field or workshop repairs on ARO diaphragm pumps used in industrial fluid handling where quick, component-level service is desired.
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