Proportion-Air’s electronic pressure regulators provide precise, repeatable control across a wide range of pressures and flows. These regulators are ideal for applications requiring high accuracy and integration with automation systems.
Key Models:
| Model | Pressure Range | Accuracy | Max Flow | Features |
|---|---|---|---|---|
| QB1S/QB2S | Vacuum to 500 psig | ±0.25% F.S. | 1.2 SCFM | Compact IP65 housing, analog monitor output, dual-loop control, unaffected by vibration |
| QB1X/QB2X | Vacuum to 175 psig | ±0.2% F.S. | 1.2 SCFM | Similar to QB1S/QB2S with aluminum or stainless steel manifold options |
| QB3 | Vacuum to 150 psig | ±0.25% F.S. | 30 SCFM | Integrated volume booster, digital display option, ¼” NPT ports |
| QB3H | Vacuum to 500 psig | ±0.5% F.S. | 50 SCFM | High-pressure version of QB3, available in aluminum, stainless steel, or brass bodies |
| GP Series | Vacuum to 1000 psig | ±0.45% F.S. | 10 SCFM | Compact design, immune to shock and vibration, internal/external sense options |