ARO Fluid Power A-221-SD-000-N Pneumatic Valve

ARO Fluid Handling's A-221-SD-000-N is a genuine pneumatic valve used to control compressed-air flow in automation and manufacturing systems. It belongs to ARO's SD-series family of valve assemblies, a line that includes other part numbers such as A211SD-000-N and M213SD-000-N, and is designed for integration into compact valve blocks and manifolds. These valves are used to direct air to cylinders, grippers, or small air motors in 2-, 3-, or 4-way configurations as part of a modular, DIN-compatible control scheme. Common features across ARO's valve families include robust construction, standardized seals, and interchangeability within the broader MaxAir ecosystem, enabling straightforward spares and maintenance when used with compatible manifolds. For precise specifications—such as port size, coil or actuator details, electrical ratings, allowable pressures, and flow characteristics—refer to the official ARO datasheet or current catalog entry for A-221-SD-000-N, since exact values depend on the model's configuration and series. When sourced from reputable distributors, these valves are compatible with ARO's MaxAir manifolds and can be integrated into existing ARO control architectures.