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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 P221SS-120-A is a solenoid-operated inline air control valve, configured as a four-way, two-position valve with spring return and non-locking operation. It operates on 120V AC and features 1/8…

SKU 3G-OTH-154201

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
P221SS-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 P221SS-120-A is a solenoid-operated inline air control valve, configured as a four-way, two-position valve with spring return and non-locking operation. It operates on 120V AC and features 1/8 in female NPT ports.

Frequently Asked Questions

What is the ARO PremAir P221SS-120-A solenoid valve used for?

The ARO PremAir P221SS-120-A is a four-way, two-position solenoid-operated inline air control valve used to direct compressed air in industrial automation, packaging, and material handling systems. Its spring-return and non-locking operation make it suitable for single-acting cylinder control and other pneumatic applications requiring reliable directional flow.

What are the specifications of the ARO P221SS-120-A valve?

The ARO P221SS-120-A is a four-way, two-position solenoid air control valve with 1/8 in female NPT ports, operating on 120V AC. It features spring return and non-locking actuation. The manufacturer part number is P221SS-120-A, and it is part of the PremAir Series designed for inline mounting.

Where to buy the ARO P221SS-120-A valve worldwide?

You can source the ARO P221SS-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 systems.

How to install the ARO PremAir P221SS-120-A solenoid valve?

To install the ARO P221SS-120-A, mount the valve inline using the 1/8 in female NPT ports, ensuring proper sealing with thread tape. Connect the 120V AC solenoid coil to a suitable power source, observing polarity if marked. Verify spring-return operation before pressurizing the system. Always follow standard pneumatic safety practices.

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, Four-Way / Two-Position, 12V DC, 1/8 in Female NPT, 125 psi (MPN P211SS-012-D). Key specifications — attr1092969: Non-Locking; attr1086920: P211SS-012-D; attr1092977: Spring Return.
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ARO Solenoid Air Control Valve: Premair, Four-Way / Two-Position, 120V AC, 1/8 in Female NPT (MPN P211SC-120-A). Key specifications — attr1092969: Non-Locking; attr1086920: P211SC-120-A; attr1092977: Spring Return.
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ARO Solenoid Air Control Valve: Premair, Four-Way / Two-Position, 12V DC, 1/8 in Female NPT, 125 psi (MPN P211SC-012-D). Key specifications — attr1092969: Non-Locking; attr1086920: P211SC-012-D; attr1092977: Spring Return.
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ARO Solenoid Air Control Valve: Premair, Four-Way / Two-Position, 12V DC, 1/8 in Female NPT, 125 psi (MPN P211SC-012-D). Key specifications — attr1092969: Non-Locking; attr1086920: P211SC-012-D; attr1092977: Spring Return.
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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.
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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.
ARO Solenoid Air Control Valve: Premair, Four-Way / Two-Position, 120V AC/12V DC/24V DC, 125 psi (MPN P221SS-024-D). Key specifications — attr1092969: Non-Locking; attr1086920: P221SS-024-D; attr1092977: Spring Return.
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ARO Solenoid Air Control Valve: Premair, Four-Way / Two-Position, 120V AC/12V DC/24V DC, 125 psi (MPN P221SS-024-D). Key specifications — attr1092969: Non-Locking; attr1086920: P221SS-024-D; attr1092977: Spring Return.