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

ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 1/8 in Female NPT - ARO Alpha Series Solenoid-Operated Inline Air Control Valves
AROARO Alpha Series Solenoid-Operated Inline Air Control Valves

ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 1/8 in Female NPT

The ARO Alpha Series Solenoid-Operated Inline Air Control Valve (SKU 3G-OTH-149830, MPN A211SS-120-A) is a four-way, two-position valve with a spring return and non-locking manual override. It operates at 120V AC…

SKU 3G-OTH-149830

Also listed as: A211SS120A · A211SS 120 A

Brand
ARO
Item
Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 1/8 in Female NPT
Category
ARO Alpha Series Solenoid-Operated Inline 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

ARO
Manufacturer Part Number
A211SS-120-A
Type
Four-Way / Two-Position, 150 psi
AC
120V
Female NPT
1/8 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

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

Product Description

The ARO Alpha Series Solenoid-Operated Inline Air Control Valve (SKU 3G-OTH-149830, MPN A211SS-120-A) is a four-way, two-position valve with a spring return and non-locking manual override. It operates at 120V AC, has 1/8 in Female NPT ports, and a maximum pressure rating of 150 psi.

Frequently Asked Questions

What is the ARO Alpha Series solenoid air control valve used for?

The ARO Alpha Series solenoid air control valve is used to direct compressed air flow in industrial automation, packaging, and material handling systems. Its four-way, two-position design with spring return makes it suitable for controlling double-acting pneumatic actuators and cylinders.

What are the specifications of the ARO A211SS-120-A valve?

The ARO A211SS-120-A is a four-way, two-position solenoid valve with 1/8 in Female NPT ports, 120V AC coil, and maximum pressure of 150 psi. It features a non-locking manual override and spring return mechanism. The valve is part of the ARO Alpha Series for inline air control.

Where to buy the ARO A211SS-120-A valve worldwide?

You can source the ARO A211SS-120-A 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 on this ARO Alpha Series solenoid valve.

How to install the ARO Alpha Series solenoid valve?

Install the ARO Alpha Series valve by connecting 1/8 in Female NPT ports to clean, lubricated air lines. Apply thread sealant to fittings, torque to manufacturer specs, and wire the 120V AC coil per local codes. Test the spring return and non-locking manual override before full 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 alpha 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 1/4 in Female NPT, 150 psi (MPN A212SS-120-A)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 1/4 in Female NPT, 150 psi (MPN A212SS-120-A)
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 1/4 in Female NPT, 150 psi (MPN A212SD-120-A)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 1/4 in Female NPT, 150 psi (MPN A212SD-120-A)
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 1/8 in Female NPT, 10-32 Female NPT (MPN A211SS-000-N)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 1/8 in Female NPT, 10-32 Female NPT (MPN A211SS-000-N)
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 12V DC, 1/4 in Female NPT, 150 psi (MPN A212SS-012-D)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 12V DC, 1/4 in Female NPT, 150 psi (MPN A212SS-012-D)
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 1/4 in Female NPT, 10-32 Female NPT (MPN A212SS-000-N)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 1/4 in Female NPT, 10-32 Female NPT (MPN A212SS-000-N)
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 1/4 in Female NPT, 10-32 Female NPT (MPN A212SD-000-N)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 1/4 in Female NPT, 10-32 Female NPT (MPN A212SD-000-N)

More from ARO

View all ARO parts
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 1/8 in Female NPT, 150 psi (MPN A211SD-120-A)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 1/8 in Female NPT, 150 psi (MPN A211SD-120-A)
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 12V DC, 1/8 in Female NPT, 150 psi (MPN A211SS-012-D)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 12V DC, 1/8 in Female NPT, 150 psi (MPN A211SS-012-D)
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 24V DC, 1/4 in Female NPT, 150 psi (MPN A212SD-024-D)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 24V DC, 1/4 in Female NPT, 150 psi (MPN A212SD-024-D)
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 24V AC, 1/4 in Female NPT, Exhaust (MPN A912SD-024-A)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 24V AC, 1/4 in Female NPT, Exhaust (MPN A912SD-024-A)
ARO Solenoid Air Control Valve: Alpha, Four-Way / Three-Position, 120V AC, 1/4 in Female NPT, Closed (MPN A349SD-120-A)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Three-Position, 120V AC, 1/4 in Female NPT, Closed (MPN A349SD-120-A)
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 1/4 in Female NPT, 150 psi (MPN A222SD-120-A)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 1/4 in Female NPT, 150 psi (MPN A222SD-120-A)
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 3/8 in Female NPT, 150 psi (MPN A213SS-120-A)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Two-Position, 120V AC, 3/8 in Female NPT, 150 psi (MPN A213SS-120-A)
ARO Solenoid Air Control Valve: Alpha, Four-Way / Three-Position, 12V DC, 1/4 in Female NPT, Exhaust (MPN A712SD-012-D)
ARO
ARO Solenoid Air Control Valve: Alpha, Four-Way / Three-Position, 12V DC, 1/4 in Female NPT, Exhaust (MPN A712SD-012-D)