Overview
The Proportion-Air X-ACT-2 air volume booster (model H79001) is rated for 175 PSI operation and delivers high-capacity pneumatic pressure control for industrial automation and process applications. As a dome-loaded pressure regulator, this unit amplifies air volume while maintaining accurate pressure output, making it ideal for systems requiring both high flow rates and repeatability.
Key Features
- Dome-loaded (pilot-operated) pressure regulator design for enhanced control
- X-ACT-2 technology for precision electro-pneumatic regulation
- Rated for continuous 175 PSI operation
- High flow capacity suitable for large-bore actuators and vacuum applications
- Compatible with standard electronic pressure control systems
- Repeatable, consistent performance across wide flow ranges
Technical Specifications
Key operating parameters for the Proportion-Air X-ACT-2 air volume booster:
- Maximum Pressure Rating: 175 PSI (12.1 bar)
- Regulator Type: Dome-loaded / pilot-operated pressure regulator
- Media: Compressed air
- Control Interface: Proportional electro-pneumatic (electronic pressure signal)
- Flow Classification: High-flow volume booster
- Pilot Supply: External electronic pressure control signal
- Hysteresis: Minimal mechanical inaccuracies overcome via electronic feedback
- Vibration Immunity: Standard Proportion-Air products rated to 20Gs
- Manufacturer: Proportion-Air, Inc.
Typical Applications
The Proportion-Air X-ACT-2 air volume booster is used in:
- Industrial automation systems requiring precise air pressure and flow control
- Large-bore pneumatic actuator systems and press applications
- Vacuum and degassing processes
- Process control systems with variable demand loads
- OEM equipment needing closed-loop pressure regulation
- Test and measurement pneumatic systems
Compatibility & Replacements
Compatible With
- Proportion-Air QB2 and QB2X electronic pressure regulators (pilot signal control)
- Proportion-Air DSB and DST pressure transducers (feedback sensors)
- Standard compressed air supply systems (0–175 PSI inlet)
- Electronic control systems capable of 4–20 mA signal output
- Dome-loaded regulator-equipped pneumatic manifolds
Replaces / Drop-In Replacement For
The Proportion-Air X-ACT-2 (model H79001) is a specialized air volume booster component. Verify exact cross-reference compatibility with your system integrator, as replacement regulators may require flow rating and cavity matching.
Works With
- Proportional solenoid valve control loops
- Closed-loop electronic pressure feedback systems
- Industrial PLC and proportional control circuits
- Burling Valve process control systems (Proportion-Air family)
- Custom pneumatic assemblies and manifold mounting



