ARO Air Line Lockout Valve: 3/8 in NPT, 3/8 in NPT Outlet Size, 250 psi Max Op Pressure
The ARO Air Line Lockout Valve (SKU 4PJU5) is a compressed air line lockout valve for FRLs with a 3/8 in NPT inlet and outlet size. It has a maximum operating pressure of 250 psi and is identified by manufacturer…
SKU 3G-OTH-187827
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Product Description
The ARO Air Line Lockout Valve (SKU 4PJU5) is a compressed air line lockout valve for FRLs with a 3/8 in NPT inlet and outlet size. It has a maximum operating pressure of 250 psi and is identified by manufacturer part number 104392-3.
Frequently Asked Questions
What is an ARO compressed air line lockout valve used for?
An ARO compressed air line lockout valve isolates pneumatic energy during maintenance on FRL units. It locks out airflow at the inlet, ensuring safe servicing of downstream equipment in industrial plants, machining centers, and assembly lines.
What are the specifications of the ARO 104392-3 lockout valve?
The ARO 104392-3 lockout valve has 3/8 in NPT inlet and outlet ports, a maximum operating pressure of 250 psi, and is type 2000. It is designed for compressed air FRL systems and is supplied by 3G Electric.
Where to buy ARO lockout valve 104392-3 worldwide?
3G Electric supplies the ARO 104392-3 lockout valve worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this pneumatic safety component.
How to install an ARO lockout valve on an FRL system?
Install the ARO lockout valve upstream of the FRL unit, with 3/8 in NPT connections. Ensure the valve is accessible for lockout/tagout procedures. After installation, test for leaks at 250 psi maximum operating pressure before placing the system into service.
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Common applications for AROARO 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.













