SPEEDAIRE Air Line Lockout Valve: 3/8 in NPT, 3/8 in NPT Outlet Size, 250 psi Max Op Pressure
The SPEEDAIRE Air Line Lockout Valve (SKU 4ZM25) is a compressed air line lockout valve for FRLs, featuring 3/8 in NPT inlet and outlet sizes. It has a maximum operating pressure of 250 psi and uses standard modular…
SKU 3G-OTH-146597
Need installation or engineering help?
Ask a question
Product Description
The SPEEDAIRE Air Line Lockout Valve (SKU 4ZM25) is a compressed air line lockout valve for FRLs, featuring 3/8 in NPT inlet and outlet sizes. It has a maximum operating pressure of 250 psi and uses standard modular connectors. This valve is designed for industrial compressed air systems requiring lockout capability.
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 the SPEEDAIRE Air Line Lockout Valve 4ZM25 used for?
The SPEEDAIRE Air Line Lockout Valve 4ZM25 is used in industrial compressed air systems to isolate air flow for maintenance or safety lockout. It is designed for FRL (filter-regulator-lubricator) assemblies, ensuring safe servicing of pneumatic equipment in manufacturing and processing plants.
What are the specifications of the SPEEDAIRE 4ZM25 lockout valve?
The SPEEDAIRE 4ZM25 lockout valve has 3/8 in NPT inlet and outlet sizes, a maximum operating pressure of 250 psi, and uses standard modular connectors. It is a compressed air line lockout valve for FRLs, designed for industrial pneumatic systems requiring reliable isolation.
Where to buy the SPEEDAIRE 4ZM25 lockout valve worldwide?
You can source the SPEEDAIRE 4ZM25 lockout valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this pneumatic safety component.
How to install the SPEEDAIRE 4ZM25 lockout valve?
Install the SPEEDAIRE 4ZM25 lockout valve by connecting the 3/8 in NPT inlet to your compressed air line and the outlet to the FRL assembly. Use standard modular connectors for secure attachment. Ensure the valve is accessible for lockout and follow generic best practices for pneumatic system isolation.
Used in
Common applications for SPEEDAIRESPEEDAIRE Products
3G Electric supplies SPEEDAIRE speedaire 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.












