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Pilot-Operated Directional Pneumatic Valves
Control actuator motion with compact, reliable pilot-operated directional control valves. This category features Ingersoll-Rand Alpha Series pilot-operated valves with 4-way, 2-position operation, spring return, and 1/4 NPT side ports. The series banner lists capacity up to 61 SCFM, and individual items show a 50 flow rating. For related air prep and fittings, see Pneumatic Power & Control.
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Alpha Series Pilot-Operated Pneumatic Valves, Up To 61 SCFMProduct is currently not available online.
Please call 800-507-9651 for assistance. -
Alpha Series Pilot-Operated Pneumatic Valve, 4-way 2-position, Spring Return, 1/4 NPT (Side) Ports, 50 Flow RatingProduct is currently not available online.
Please call 800-507-9651 for assistance.
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Selection & Key Specs
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Actuation: pilot-operated
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Function: 4-way, 2-position
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Return: spring return
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Ports: 1/4 NPT, side ports
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Flow: product tiles show 50 flow rating; Alpha Series line is listed up to 61 SCFM
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Brand: Ingersoll-Rand Industrial US
Confirm the way/position, return style, NPT port size, and required SCFM against your circuit before adding to cart.
Industries & Resources
Common uses include automated tooling, material handling, and packaging where consistent spool shifting is required.
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Manufacturing: assembly automation and fixture control.
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Construction: pneumatic rigs and jobsite equipment.
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Industrial/Packaging: conveyor diverters and pick-and-place actuators.
Explore more sectors on Industries We Serve.
Pilot-Operated Directional Control Valve FAQs
What Is a Pilot-Operated Directional Control Valve?
It is a pneumatic valve that uses a separate pilot air signal to shift the spool and route compressed air to supply, exhaust, and cylinder ports so an actuator can extend, retract, or hold.
How Do 4-Way, 2-Position Pilot Valves Work?
A 4-way valve provides two cylinder ports plus supply and exhaust. In a 2-position design, the pilot signal shifts the spool between two states; when the pilot signal is removed, a spring return brings the valve back to its normal position.
What Port Sizes and Flow Ratings Are Available?
Models on this page use 1/4 inch NPT side ports with flow ratings listed on each product card, up to 61 SCFM depending on the model.
What Is the Difference Between Air-Pilot and Solenoid-Operated Valves?
Air-pilot valves use compressed air as the control signal to shift the spool, while solenoid-operated valves use an electrical coil to create the shifting force. Both control pneumatic flow paths; the choice depends on whether your system provides a pilot air signal or an electrical signal.
How Do I Choose the Right Valve and Get Help?
Match the actuator type, confirm 4-way 2-position with spring return if required, verify 1/4 inch NPT port fit, and check the SCFM rating against your flow needs. For assistance with selection or service, contact us or visit Repair Services.
Pneumatic Power & Control (related air prep and fittings)