

Keep your air-driven Graco equipment running smoothly with the Graco 111804 Air Regulator. It ensures stable air pressure for optimal performance.
The Graco 111804 Air Regulator is a factory‑specified component designed to regulate incoming air pressure to 0‑125 psi through a ¼″ NPT port, ensuring consistent inlet pressure for air‑operated systems. :contentReference[oaicite:2]{index=2}
| Feature | Description |
|---|---|
| Part Number | 111804 |
| Air Port Size | ¼″ NPT inlet/outlet :contentReference[oaicite:3]{index=3} |
| Regulated Pressure Range | 0‑125 psi (≈ 0‑8.6 bar) :contentReference[oaicite:4]{index=4} |
| Max Air Flow Capacity | Approx. 39 scfm (1.1 m³/min) :contentReference[oaicite:5]{index=5} |
| Application | Air‑operated pump systems, low‑volume air supply regulation |
Install the 111804 regulator in the incoming air line upstream of your air‑driven pump or system. Set the outlet pressure according to your machine’s specification. Regularly check the adjustment knob and diaphragm for wear or drift, and replace if the regulator fails to hold stable pressure.
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