ARO Solenoid Air Control Valve: Sierra, Four-Way / Two-Position, 120V AC
The ARO Sierra Series Solenoid-Operated Inline Air Control Valve (SKU 4TR81, MPN M812SS-120-A) is a four-way, two-position valve with a spring return mechanism and non-locking manual override. It operates on 120V AC…
SKU 3G-OTH-169725
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Product Description
The ARO Sierra Series Solenoid-Operated Inline Air Control Valve (SKU 4TR81, MPN M812SS-120-A) is a four-way, two-position valve with a spring return mechanism 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 Sierra Series solenoid air control valve used for?
The ARO Sierra Series solenoid-operated inline 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 controls double-acting pneumatic actuators, cylinders, and valves reliably.
What are the specifications of the ARO M812SS-120-A valve?
The ARO M812SS-120-A is a four-way, two-position solenoid air control valve with 1/8 in Female NPT ports, 120V AC operation, spring return, and non-locking manual override. It is part of the Sierra Series and is designed for inline mounting in pneumatic circuits.
Where to buy the ARO M812SS-120-A valve worldwide?
3G Electric supplies the ARO M812SS-120-A Sierra Series solenoid valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this ARO valve globally.
How to install the ARO Sierra Series solenoid valve?
Mount the ARO Sierra valve inline using 1/8 in Female NPT connections. Apply thread sealant to fittings, connect 120V AC power to the solenoid coil, and verify the spring return and non-locking manual override function. Follow standard pneumatic installation practices for leak-free operation.
Used in
Common applications for AROARO Products
3G Electric supplies ARO aro sierra 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.













