We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Parker Manual Air Control Valve: DirectAir 4, Three-Way / Two-Position, Roller - Parker Directair 4 Series Manual Air Control Valves
ParkerParker Directair 4 Series Manual Air Control Valves

Parker Manual Air Control Valve: DirectAir 4, Three-Way / Two-Position, Roller

The Parker DirectAir 4 is a manual air control valve, specifically a three-way, two-position spool valve with spring return and normally closed operation. Constructed with an aluminum body, this valve features a 1/4…

SKU 3G-OTH-156725

Brand
Parker
Item
Manual Air Control Valve: DirectAir 4, Three-Way / Two-Position, Roller
Category
Parker Directair 4 Series Manual Air Control Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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.

Technical Specifications

Parker
Manufacturer Part Number
524211000
Type
Three-Way / Two-Position, Roller
Female NPT
1/4 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Parker Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Parker DirectAir 4 is a manual air control valve, specifically a three-way, two-position spool valve with spring return and normally closed operation. Constructed with an aluminum body, this valve features a 1/4 in female NPT roller actuator and is identified by manufacturer part number 524211000.

Frequently Asked Questions

What is the Parker DirectAir 4 manual air control valve used for?

The Parker DirectAir 4 is a three-way, two-position spool valve used to control airflow in pneumatic systems. Its roller actuator and spring return make it suitable for industrial automation, packaging, and material handling applications where reliable manual or mechanical valve actuation is required.

What are the specifications of the Parker DirectAir 4 valve 524211000?

The Parker DirectAir 4 valve (MPN 524211000) is a three-way, two-position, normally closed spool valve with spring return. It has a 1/4 in female NPT port and an aluminum body. The roller actuator allows mechanical operation, making it ideal for pneumatic control circuits.

Where to buy the Parker DirectAir 4 valve worldwide?

3G Electric supplies the Parker DirectAir 4 valve worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this Parker valve.

How to install the Parker DirectAir 4 roller valve?

Mount the valve securely using the 1/4 in female NPT ports. Connect supply and exhaust lines per the normally closed configuration. Ensure the roller actuator aligns with the cam or mechanical trigger. Test for leaks and verify spring return operation before full system use.

Used in

Common applications for Parker
Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits
Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems
Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing
Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration
Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning
Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

Parker 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Two-Position, Roller, 1/4 in Female NPT (MPN 520211000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Two-Position, Roller, 1/4 in Female NPT (MPN 520211000)
PARKER Manual Air Control Valve: DirectAir 4, Three-Way / Two-Position, Roller, 1/4 in Female NPT (MPN 524A11000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Three-Way / Two-Position, Roller, 1/4 in Female NPT (MPN 524A11000)
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Two-Position, Roller, 1/4 in Female NPT (MPN 520A11000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Two-Position, Roller, 1/4 in Female NPT (MPN 520A11000)
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Three-Position, Lever, 1/4 in Female NPT (MPN 529811000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Three-Position, Lever, 1/4 in Female NPT (MPN 529811000)
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Three-Position, Lever, 1/4 in Female NPT (MPN 522811000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Three-Position, Lever, 1/4 in Female NPT (MPN 522811000)
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Two-Position, Lever, 1/4 in Female NPT (MPN 520811000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Two-Position, Lever, 1/4 in Female NPT (MPN 520811000)

More from Parker

View all Parker parts
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Two-Position, Foot Pedal, 1/4 in Female NPT (MPN 520931000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Two-Position, Foot Pedal, 1/4 in Female NPT (MPN 520931000)
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Two-Position, Lever, 1/4 in Female NPT (MPN 520831000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Two-Position, Lever, 1/4 in Female NPT (MPN 520831000)
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Three-Position, Lever, 1/4 in Female NPT (MPN 529831000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Three-Position, Lever, 1/4 in Female NPT (MPN 529831000)
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Three-Position, Lever, 1/4 in Female NPT (MPN 521811000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Three-Position, Lever, 1/4 in Female NPT (MPN 521811000)
PARKER Manual Air Control Valve: DirectAir 4, Three-Way / Two-Position, Button, 1/4 in Female NPT (MPN 524411000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Three-Way / Two-Position, Button, 1/4 in Female NPT (MPN 524411000)
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Three-Position, Lever, 1/4 in Female NPT (MPN 521831000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Three-Position, Lever, 1/4 in Female NPT (MPN 521831000)
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Two-Position, Foot Pedal, 1/4 in Female NPT (MPN 520711000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Four-Way / Two-Position, Foot Pedal, 1/4 in Female NPT (MPN 520711000)
PARKER Manual Air Control Valve: DirectAir 4, Three-Way / Two-Position, Lever, 1/4 in Female NPT (MPN 524811000)
Parker
PARKER Manual Air Control Valve: DirectAir 4, Three-Way / Two-Position, Lever, 1/4 in Female NPT (MPN 524811000)