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 4PJU4) is a compressed air line lockout valve for FRLs, featuring a 3/8 in NPT inlet and outlet size. It has a maximum operating pressure of 250 psi and is identified by…
SKU 3G-OTH-187826
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Product Description
The ARO Air Line Lockout Valve (SKU 4PJU4) is a compressed air line lockout valve for FRLs, featuring 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 104391-3.
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 compressed air line lockout valve used for?
An ARO compressed air line lockout valve isolates pneumatic energy during maintenance or system shutdown. It locks out air flow at the FRL unit, ensuring worker safety per lockout/tagout procedures. 3G Electric supplies this ARO valve for industrial plants, machine shops, and assembly lines worldwide.
What are the specifications of the ARO 104391-3 lockout valve?
The ARO 104391-3 lockout valve has 3/8 in NPT inlet and outlet ports, a maximum operating pressure of 250 psi, and is type 1500. It is designed for compressed air FRL systems. 3G Electric sources this genuine ARO valve for global delivery.
Where to buy an ARO lockout valve for FRLs worldwide?
3G Electric supplies the ARO 104391-3 lockout valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote on this genuine ARO compressed air line lockout valve for FRLs.
How to install an ARO air line lockout valve?
Install the ARO lockout valve upstream of your FRL unit using 3/8 in NPT fittings. Ensure the valve is accessible for lockout/tagout. Apply thread sealant to NPT connections and tighten to 250 psi rated torque. 3G Electric provides this ARO valve for global supply.
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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.













