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The PRO-SOURCE 4550231012PRO is a 5-way, 2-position manually operated directional control valve actuated by a hand lever with detent. The detent mechanism holds the valve in the selected position without requiring continuous operator force, making it well-suited for pneumatic circuit applications where a stable, maintained flow path is needed. This valve carries a Cv rating of 0.976 and uses NPT threaded port connections. It is designed for installation in pneumatic control systems found in industrial, mechanical, and trade service environments by qualified pneumatic or mechanical technicians.
This valve is applied in pneumatic directional control circuits where a 5-port, 2-position configuration is required. Typical installations include actuating double-acting cylinders or similar pneumatic devices in light industrial and commercial mechanical systems. The hand lever with detent allows a technician to manually shift the valve between two stable flow states without the need for an electrical or pilot signal. The compact body dimensions make it suitable for panel mounting or inline installation in space-constrained pneumatic assemblies.
Designed as an OEM-style replacement or direct-fit component for pneumatic directional control circuits requiring a 5-way, 2-position manual lever valve with NPT port connections and a Cv rating near 0.976.
Installation should be performed by a qualified pneumatic or mechanical technician. Depressurize the pneumatic system fully before removing or installing any valve. Verify that all port connections are made with compatible NPT fittings and that thread sealant is applied appropriately per standard practice. Confirm that the actuating lever moves freely through both detent positions before returning the system to service.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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