Parker Manual Air Control Valve: DirectAir 4, Four-Way / Three-Position, Lever
The Parker DirectAir 4 Series Manual Air Control Valve (MPN 521811000) is a four-way, three-position, spring-return spool valve with a lever actuator. Constructed with an aluminum body, this manual air control valve…
SKU 3G-OTH-156705
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Product Description
The Parker DirectAir 4 Series Manual Air Control Valve (MPN 521811000) is a four-way, three-position, spring-return spool valve with a lever actuator. Constructed with an aluminum body, this manual air control valve features 1/4 in Female NPT ports and is designed for closed-center operation.
Frequently Asked Questions
What is the Parker DirectAir 4 manual air control valve used for?
The Parker DirectAir 4 manual air control valve is used to direct compressed air in pneumatic systems, typically for actuating cylinders or tools. Its four-way, three-position, spring-return design with closed center suits applications requiring precise manual control in industrial automation, packaging, and material handling.
What are the specifications of the Parker DirectAir 4 valve MPN 521811000?
The Parker DirectAir 4 valve (MPN 521811000) is a four-way, three-position, lever-actuated spool valve with spring return. It has an aluminum body and 1/4 in Female NPT ports. The closed-center configuration blocks all flow in the center position, making it suitable for locking pneumatic circuits.
Where to buy the Parker DirectAir 4 valve in worldwide?
You can source the Parker DirectAir 4 valve (MPN 521811000) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Parker components for pneumatic systems.
How to install the Parker DirectAir 4 manual air control valve?
Install the Parker DirectAir 4 valve by connecting 1/4 in Female NPT ports to your pneumatic lines using appropriate fittings. Mount the aluminum body securely, ensure the lever moves freely, and verify the spring-return mechanism resets to the closed center. Follow standard pneumatic safety practices and consult the manufacturer's manual for torque specs.
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Common applications for ParkerParker Products
3G Electric supplies Parker parker directair 4 series manual air control valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
