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ARO Air Line Lockout Valve: 1/4 in NPT, 1/4 in NPT Outlet Size, 250 psi Max Op Pressure - ARO Compressed Air Line Lockout Valves for FRLs
AROARO Compressed Air Line Lockout Valves for FRLs

ARO Air Line Lockout Valve: 1/4 in NPT, 1/4 in NPT Outlet Size, 250 psi Max Op Pressure

The ARO Air Line Lockout Valve (SKU 4PJU2) is a compressed air line lockout valve for FRLs with a 1/4 in NPT inlet and outlet size. It has a maximum operating pressure of 250 psi and is identified by manufacturer…

SKU 3G-OTH-187824

Brand
ARO
Item
Air Line Lockout Valve: 1/4 in NPT, 1/4 in NPT Outlet Size, 250 psi Max Op Pressure
Category
ARO Compressed Air Line Lockout Valves for FRLs
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Technical Specifications

ARO
Manufacturer Part Number
104390-2
Type
1000
Max Op Pressure
250 psi
NPT Outlet Size
1/4 in
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ARO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARO Air Line Lockout Valve (SKU 4PJU2) is a compressed air line lockout valve for FRLs with a 1/4 in NPT inlet and outlet size. It has a maximum operating pressure of 250 psi and is identified by manufacturer part number 104390-2.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is an ARO Air Line Lockout Valve used for?

An ARO Air Line Lockout Valve is used to isolate compressed air in pneumatic systems during maintenance or emergencies. It ensures safe lockout/tagout procedures on FRL units, preventing accidental pressurization. Common in manufacturing plants, assembly lines, and industrial facilities requiring OSHA-compliant energy isolation.

What are the specifications of the ARO Air Line Lockout Valve 104390-2?

The ARO Air Line Lockout Valve (MPN 104390-2) has 1/4 in NPT inlet and outlet ports, a maximum operating pressure of 250 psi, and is part of the 1000 series. It is designed for compressed air FRL systems. 3G Electric supplies this valve globally.

Where to buy ARO Air Line Lockout Valve 104390-2 worldwide?

3G Electric supplies the ARO Air Line Lockout Valve 104390-2 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install an ARO Air Line Lockout Valve?

Install the ARO Air Line Lockout Valve in the compressed air line upstream of the FRL unit. Use thread sealant on the 1/4 in NPT connections and tighten to manufacturer torque specs. Verify lockout functionality by cycling the valve and checking for leaks before system pressurization.

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 compressed air line lockout valves for frls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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