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SPEEDAIRE Compressed Air Regulator: Aluminum, 3/8 in NPT, 220 cfm, 5 psi to 150 psi - Speedaire FRL Air Regulators
SPEEDAIRESpeedaire FRL Air Regulators

SPEEDAIRE Compressed Air Regulator: Aluminum, 3/8 in NPT, 220 cfm, 5 psi to 150 psi

The SPEEDAIRE Compressed Air Regulator (SKU 4ZM21) is a Standard Duty aluminum FRL air regulator from Speedaire. It features 3/8 in NPT ports, a flow capacity of 220 cfm, and an adjustable pressure range of 5 psi to…

SKU 3G-OTH-135421

Brand
SPEEDAIRE
Item
Compressed Air Regulator: Aluminum, 3/8 in NPT, 220 cfm, 5 psi to 150 psi
Category
Speedaire FRL Air Regulators
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Technical Specifications

SPEEDAIRE
Manufacturer Part Number
4ZM21
Type
220 cfm, 5 psi to 150 psi, Nonrising
NPT
3/8 in
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SPEEDAIRE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPEEDAIRE Compressed Air Regulator (SKU 4ZM21) is a Standard Duty aluminum FRL air regulator from Speedaire. It features 3/8 in NPT ports, a flow capacity of 220 cfm, and an adjustable pressure range of 5 psi to 150 psi with a nonrising adjustment knob.

Frequently Asked Questions

What is the SPEEDAIRE 4ZM21 compressed air regulator used for?

The SPEEDAIRE 4ZM21 is a standard-duty compressed air regulator used to control and stabilize downstream air pressure in pneumatic systems. It is commonly applied in industrial manufacturing, automation lines, and maintenance shops where consistent pressure between 5 psi and 150 psi is required for tools and equipment.

What are the specifications of the SPEEDAIRE 4ZM21 air regulator?

The SPEEDAIRE 4ZM21 is an aluminum compressed air regulator with 3/8 in NPT ports, a flow capacity of 220 cfm, and an adjustable pressure range of 5 psi to 150 psi. It features a nonrising adjustment knob and is classified as standard duty. The manufacturer part number is 4ZM21.

Where to buy the SPEEDAIRE 4ZM21 regulator worldwide?

3G Electric supplies the SPEEDAIRE 4ZM21 compressed air regulator to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this Speedaire FRL regulator internationally.

How to install the SPEEDAIRE 4ZM21 compressed air regulator?

Install the SPEEDAIRE 4ZM21 regulator by connecting the 3/8 in NPT ports to your compressed air line using compatible fittings. Ensure the arrow on the body matches flow direction. Adjust pressure by turning the nonrising knob clockwise to increase or counterclockwise to decrease. Always depressurize the system before installation or maintenance.

Used in

Common applications for SPEEDAIRE
Manufacturing assembly lines — SPEEDAIRE compressed air filters (e.g., 4ZL49) for particulate removal in pneumatic tool supply
Air compressor maintenance — SPEEDAIRE Furnas to Condor P/S Kit (33MH82) for pressure switch conversion on reciprocating compressors
Pneumatic control systems — SPEEDAIRE check valves (810RC7) to prevent backflow in instrument air lines
Air tool repair — SPEEDAIRE internal gears (45P349) and O-rings (42VA60) for rebuilding impact wrenches and grinders
Heavy-duty industrial air preparation — SPEEDAIRE heavy-duty filters (4ZL12) with metal bowls for high-flow, high-pressure applications up to 250 psi
Air motor servicing — SPEEDAIRE repair kits (22XJ91) for maintaining pneumatic gearmotors in conveyor systems

SPEEDAIRE Products

3G Electric supplies SPEEDAIRE speedaire frl air regulators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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