VIAIR
VIAIR 84P portable air compressor kit for 31-inch tyres
- Air Compressors
$62.99
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SPEEDAIRE
SPEEDAIRE 4ZM09 air compressor regulator 3/4 NPT 440 cfm 300 psi
A heavy-duty aluminium regulator controls compressed-air pressure from 5 to 125 psi at flows up to 450 cfm with 3/4 NPT ports
- Delivers up to 450 cfm flow for high-demand pneumatic tools
- Regulates pressure precisely between 5 and 125 psi for consistent operation
- Withstands 300 psi inlet pressure for heavy-duty air systems
- Operates reliably up to 175 °F in tough shop environments
- 3/4 in NPT female ports connect directly to standard compressed-air lines
SPEEDAIRE 4ZM09 3/4 NPT Regulator
The SPEEDAIRE 4ZM09 is a heavy-duty compressed-air regulator with 3/4-inch NPT female ports on both inlet and outlet. It handles a maximum flow of 440 cfm and an operating pressure up to 300 psi, making it suitable for industrial air systems that demand high volume. The aluminium body is rated for temperatures up to 175 degrees F.
Non-rising Adjustment and No Gauge
Installation is straightforward: thread the unit into existing 3/4 NPT piping using standard sealant. The non-rising adjustment knob sets output pressure between 5 and 125 psi without changing overall length, so panel clearance stays constant. No pressure gauge is included, so a separate gauge must be added downstream for monitoring.
For High-Flow Shop Air Lines
This regulator suits shops running large compressors and multiple tools that need consistent pressure up to 125 psi. It is not for systems requiring integrated gauges, lower-port sizes, or regulated pressures above 125 psi. Buyers needing a built-in gauge or different port thread should look at other models.
Highlights
- Delivers up to 450 cfm flow for high-demand pneumatic tools
- Regulates pressure precisely between 5 and 125 psi for consistent operation
- Withstands 300 psi inlet pressure for heavy-duty air systems
- Operates reliably up to 175 °F in tough shop environments
- 3/4 in NPT female ports connect directly to standard compressed-air lines
Specifications
| Brand | SPEEDAIRE |
|---|
Questions about this item
How can I verify the SPEEDAIRE 4ZM09 regulator is working correctly after installation?
Check that downstream pressure holds between 5 psi and 125 psi at your set point while air flows up to 450 cfm and supply pressure stays at or below 300 psi.
What comes with the SPEEDAIRE 4ZM09 regulator and what must be purchased separately?
The regulator body with 3/4 in NPT female inlet and outlet is included. A pressure gauge and any fittings, hose, or mounting hardware are not included and must be bought separately.
Which pressure range version of the SPEEDAIRE 4ZM09 should I choose for my system?
This model adjusts from 5 psi to 125 psi maximum regulated pressure. Choose it when your tools or process require settings anywhere within that 5–125 psi window.
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