In-stock parts
Order by 2PM MST
In-stock parts
Order by 2PM MST
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Usually ready in 2 hours
2045 West Buckeye Road
Phoenix AZ 85009
United States
The Speedaire 4ZM14 Compact air regulator adjusts compressed-air pressure for the downstream equipment. It has 1/4-inch female NPT inlet and outlet ports and a nonrising adjustment control.
The regulated pressure range is 5–150 PSI; the 300 PSI limit applies to the inlet, not the adjustable outlet range. Select the regulator around the pressure and airflow your equipment requires, and include a compatible gauge when assembling the air circuit.
| Feature | Benefit |
|---|---|
| Adjustable outlet pressure | Lets the operator set pressure within the 5–150 PSI range. |
| Nonrising control | Keeps the adjustment within a compact operating envelope. |
| Separate gauge port | Provides a connection for monitoring regulated pressure. |
| Specification | Details |
|---|---|
| Part number | Speedaire 4ZM14 |
| Main ports | 1/4-inch FNPT inlet and outlet |
| Pressure range | 5–150 PSI regulated outlet |
| Inlet limit | 300 PSI maximum |
| Temperature limit | 150°F maximum |
| Flow | 80 CFM at 150 PSI inlet, 90 PSI setting and 15 PSI pressure drop |
| Gauge port | 1/8-inch NPT |
| Gauge supplied | No |
| Component | Selection guidance |
|---|---|
| Pressure gauge | Select a suitable range and 1/8-inch NPT connection; not included. |
| Mounting bracket | Speedaire 4ZK73 is a compatible mounting accessory. |
| Upstream filter | Use an appropriate air-line filter ahead of the regulator. |
| Air lines | Match thread size and ensure all connections are rated for the system pressure and flow. |
| Check | What to confirm |
|---|---|
| Duty | Verify required downstream pressure and airflow at the actual operating conditions. |
| Layout | Follow the inlet/outlet arrow and allow access for adjustment and gauge viewing. |
| Air quality | Keep the supply dry enough to prevent ice formation below 35°F. |
| Service | Shut off the supply and release pressure from inlet and outlet lines before servicing. Follow the equipment and regulator instructions. |
Need help selecting an air regulator? Contact UnitedBuilt through online chat, email parts@unitedbuilt.com, or call 602-253-7750 with your connection size, supply pressure and required outlet pressure.
| Weight | 0.95 lb |
|---|