SPEEDAIRE Filter-Regulator: Heavy Duty Series, 3/4 in NPT, 509 cfm, 40 micron
The SPEEDAIRE Filter-Regulator is a Heavy Duty Series FRL air filter/regulator from the Speedaire brand. It features an aluminum body with a rubber seal, a 3/4 in NPT port size, a flow capacity of 509 cfm, a…
SKU 3G-OTH-152498
Need installation or engineering help?
Ask a question
Product Description
The SPEEDAIRE Filter-Regulator is a Heavy Duty Series FRL air filter/regulator from the Speedaire brand. It features an aluminum body with a rubber seal, a 3/4 in NPT port size, a flow capacity of 509 cfm, a filtration rating of 40 micron, and an adjustable pressure range of 5 psi to 125 psi (MPN 4ZK78).
Frequently Asked Questions
What is the SPEEDAIRE Filter-Regulator 4ZK78 used for?
The SPEEDAIRE Filter-Regulator 4ZK78 is used in compressed air systems to remove contaminants and regulate pressure. It is ideal for industrial pneumatic applications requiring clean, stable air supply to tools, valves, and actuators, ensuring equipment reliability and performance.
What are the specifications of the SPEEDAIRE Filter-Regulator 4ZK78?
The SPEEDAIRE Filter-Regulator 4ZK78 is a Heavy Duty Series unit with a 3/4 in NPT port size, 509 cfm flow capacity, 40 micron filtration, and adjustable pressure range of 5 psi to 125 psi. It features an aluminum body and rubber seal, manufactured by SPEEDAIRE.
Where to buy the SPEEDAIRE Filter-Regulator 4ZK78 worldwide?
You can source the SPEEDAIRE Filter-Regulator 4ZK78 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring your order arrives reliably. Contact us for availability and lead time.
How to install the SPEEDAIRE Filter-Regulator 4ZK78?
Install the SPEEDAIRE Filter-Regulator 4ZK78 by mounting it vertically with the bowl facing down, using thread sealant on NPT connections. Ensure flow direction matches the arrow on the body. Adjust pressure by turning the knob clockwise to increase, counterclockwise to decrease. Consult local codes for safe installation.
Used in
Common applications for SPEEDAIRESPEEDAIRE Products
3G Electric supplies SPEEDAIRE speedaire frl air filter/regulators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















