Overview
The Proportion-Air DQB3TFEE020 is a proportional directional control valve from Proportion-Air, a manufacturer specializing in electro-pneumatic control solutions. This valve series is engineered for applications requiring metered air flow with electronic command control, delivering reliable performance in industrial pneumatic circuits. The DQB3 platform combines proportional spool technology with integrated electronics for smooth, repeatable control of pneumatic actuators and pilot-operated devices.
Key Features
- Proportional spool design for smooth, modulated flow control
- Electronic command input with integrated control electronics
- Compact, integrated construction reduces assembly time
- IP65-rated enclosure protects electronics from industrial environments
- Direct porting compatible with pneumatic manifold systems
- Suitable for use with clean, dry compressed air
Technical Specifications
Verify the following specifications with Proportion-Air documentation or your system integrator before installation:
- Manufacturer: Proportion-Air, Inc.
- Model: DQB3TFEE020
- Product Type: Proportional Directional Control Valve
- Media: Compressed air (clean, dry)
- Enclosure Rating: IP65 (typical for DQB series)
- Port Configuration: Manifold-mount porting (CETOP or equivalent)
- Electrical Connection: Verify with documentation for voltage/current requirements
Typical Applications
The Proportion-Air DQB3TFEE020 is suitable for:
- Proportional flow control in pneumatic cylinders and motors
- Pilot pressure modulation in air-piloted regulators
- Precision manufacturing and assembly automation
- Semiconductor and laboratory equipment requiring controlled actuation
- Test benches and calibration systems
- Industrial process automation with proportional control requirements
Compatibility & Replacements
Compatible With
- Pneumatic manifold systems with CETOP (subplate) porting
- Proportion-Air control electronics and feedback sensors
- Standard compressed air supply systems (filtered to ISO 4406 16/14/11 or better)
- PLC and motion controller proportional output modules (analog command 0-10V or 4-20mA)
- Pneumatic cylinders and air motors with pilot or direct actuation
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The DQB3TFEE020 may be compatible with other DQB3 series variants with similar porting and electrical configurations. Consult Proportion-Air documentation or contact technical support to confirm interchangeability with your current valve.
Works With
- Proportion-Air proportional control modules
- Industrial PLC platforms (Allen-Bradley, Siemens, Mitsubishi, Omron)
- Standard 0-10V analog and 4-20mA command signals
- Pneumatic feedback sensors and transducers
- EtherNet/IP and PROFINET communication gateways (via external PLC)






