Parker Manual Air Control Valve: 42, Four-Way / Two-Position, Lever, 3/8 in Female NPT
The Parker 42 Series Manual Air Control Valve (MPN 422CS021W) is a four-way, two-position spool valve with a detent lever operator and 3/8 in female NPT ports. Constructed with an aluminum body, this manual air…
SKU 3G-OTH-153502
Need installation or engineering help?
Ask a question
Product Description
The Parker 42 Series Manual Air Control Valve (MPN 422CS021W) is a four-way, two-position spool valve with a detent lever operator and 3/8 in female NPT ports. Constructed with an aluminum body, this manual air control valve is part of Parker's 42 series.
Frequently Asked Questions
What is the Parker 42 Series Manual Air Control Valve used for?
The Parker 42 Series Manual Air Control Valve (MPN 422CS021W) is used to direct compressed air flow in pneumatic systems. Its four-way, two-position spool design with detent lever operator is ideal for controlling double-acting cylinders, actuators, and other industrial automation equipment in manufacturing and processing plants.
What are the specifications of the Parker 422CS021W valve?
The Parker 422CS021W is a four-way, two-position manual air control valve with a detent lever operator. It has 3/8 in female NPT ports and an aluminum body. This valve is part of Parker's 42 series and uses a spool-type internal mechanism for reliable directional control in pneumatic circuits.
Where to buy Parker 42 Series valves worldwide?
3G Electric supplies Parker 42 Series manual air control valves, including the 422CS021W, to customers worldwide. As a global industrial equipment distributor since 1990, 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 a Parker 42 Series manual air control valve?
To install the Parker 42 Series valve, first ensure the pneumatic system is depressurized. Apply thread sealant to the 3/8 in female NPT ports and connect supply and actuator lines. Mount the valve securely using the body holes. Operate the detent lever to verify smooth shifting and proper airflow direction before full system pressurization.
Used in
Common applications for ParkerParker Products
3G Electric supplies Parker parker 42 series manual air control valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













