Parker Directair 4 Series Manual Air Control Valve, 521811000
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
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
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.
Used in
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.