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

ARO Solenoid Air Control Valve: CAT, Three-Way / Two-Position, 120V AC

The ARO CAT Series Solenoid-Operated Inline Air Control Valve (SKU 4HN51, MPN CAT77S-120-A) is a three-way, two-position valve with a spring return and non-locking manual override. It operates on 120V AC and features…

SKU 3G-OTH-153485

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

ARO
Manufacturer Part Number
CAT77S-120-A
Type
Three-Way / Two-Position
AC
120V
Female NPT
1/4 in
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ARO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARO CAT Series Solenoid-Operated Inline Air Control Valve (SKU 4HN51, MPN CAT77S-120-A) is a three-way, two-position valve with a spring return and non-locking manual override. It operates on 120V AC and features 1/4 in Female NPT connections.

Frequently Asked Questions

What is the ARO CAT77S-120-A solenoid air control valve used for?

The ARO CAT77S-120-A is a three-way, two-position solenoid-operated inline air control valve used to direct or block compressed air flow in industrial automation, packaging, and material handling systems. Its spring return ensures the valve defaults to a safe position when de-energized.

What are the specifications of the ARO CAT77S-120-A valve?

The ARO CAT77S-120-A is a three-way, two-position valve with 1/4 in female NPT ports, 120V AC coil voltage, non-locking manual override, and spring return. It is part of the ARO CAT Series and is designed for inline air control applications.

Where to buy the ARO CAT77S-120-A valve worldwide?

3G Electric supplies the ARO CAT77S-120-A valve worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the ARO CAT77S-120-A solenoid valve?

Mount the ARO CAT77S-120-A valve inline using 1/4 in female NPT fittings, ensuring proper sealing. Connect 120V AC power to the solenoid coil, observing polarity if marked. Verify spring return operation before pressurizing the system. Consult the manufacturer's manual for torque specs.

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 cat 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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