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ARO Solenoid Air Control Valve: Premair, Four-Way / Two-Position, 120V AC - ARO PremAir Series Solenoid-Operated Inline Air Control Valves
AROARO PremAir Series Solenoid-Operated Inline Air Control Valves

ARO Solenoid Air Control Valve: Premair, Four-Way / Two-Position, 120V AC

The ARO PremAir Series P221SC-120-A is a solenoid-operated inline air control valve, a four-way, two-position model with a spring return and non-locking manual override. It operates on 120V AC and features 1/8 in…

SKU 3G-OTH-154205

Brand
ARO
Item
Solenoid Air Control Valve: Premair, Four-Way / Two-Position, 120V AC
Category
ARO PremAir Series Solenoid-Operated Inline Air Control Valves
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Technical Specifications

ARO
Manufacturer Part Number
P221SC-120-A
Type
Four-Way / Two-Position
AC
120V
Female NPT
1/8 in
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ARO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARO PremAir Series P221SC-120-A is a solenoid-operated inline air control valve, a four-way, two-position model with a spring return and non-locking manual override. It operates on 120V AC and features 1/8 in female NPT ports.

Frequently Asked Questions

What is the ARO PremAir solenoid air control valve used for?

The ARO PremAir P221SC-120-A solenoid valve is used to control the direction of compressed air in pneumatic systems. It is a four-way, two-position valve with spring return, commonly applied in industrial automation, packaging, and material handling to actuate double-acting cylinders or other air-operated devices.

What are the specifications of the ARO P221SC-120-A valve?

The ARO P221SC-120-A is a solenoid-operated inline air control valve from the PremAir Series. It is a four-way, two-position model with spring return and non-locking manual override. It operates on 120V AC and has 1/8 in female NPT ports. The manufacturer part number is P221SC-120-A.

Where to buy the ARO P221SC-120-A valve worldwide?

You can source the ARO P221SC-120-A solenoid valve 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 ARO components for pneumatic control systems.

How to install the ARO PremAir solenoid valve?

To install the ARO P221SC-120-A, ensure the pneumatic system is depressurized and power is off. Connect the 1/8 in female NPT ports to the air lines using appropriate fittings. Wire the 120V AC solenoid coil per the wiring diagram. The spring return ensures the valve defaults to its original position when de-energized. Test for leaks before operation.

Used in

Common applications for ARO
Chemical processing — ARO AODD pumps with PTFE diaphragms and check valves for transferring corrosive acids and solvents.
Wastewater treatment — ARO aluminum-housing AODD pumps handling sludge and abrasive slurries in treatment plants.
Packaging automation — ARO PremAir series solenoid valves controlling pneumatic actuators on filling and sealing machines.
Mining operations — ARO 316 stainless steel AODD pumps for dewatering and transferring abrasive mine tailings.
Material handling — ARO MaxAir series foot pedal valves for manual control of conveyor diverters and lift tables.
Maintenance repair — ARO repair kits for field servicing of lower pump assemblies in industrial fluid systems.

ARO Products

3G Electric supplies ARO aro premair series solenoid-operated inline air control valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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ARO Solenoid Air Control Valve: Premair, Three-Way / Two-Position, 120V AC, 1/8 in Female NPT (MPN P251SS-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: P251SS-120-A; attr1092977: Spring Return.