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Low Power Valves
Low Power Namur
EExm H/O
Standard I.S. Valves
EExm Valves
EExd Valves
Propn Regulator
Valve Switchbox





Proportional Pressure Regulator

Piezotronic technology has also been applied to proportional regulator units offering many advantages. Conventional pressure regulators comprise a pressure sensor measuring the outlet pressure, and providing a feedback signal to an amplifier. This signal is then compared to the control signal and the difference is converted to a digital signal, which energises one or the other of 2 internal two-way solenoid valves. With this type of regulator there is a large consumption of air when the valve exhausts through one of the solenoid valves to achieve the required output. The response times are poor and because the 2 solenoid valves are constantly being used, the service life can be low. 

The Hoerbiger Tecno regulator uses their piezo valve as its pilot unit, providing a fast and highly dynamic pilot signal. The piezo valve is driven via an integrated miniature pressure regulator and fine filter. The output then operates a proportional diaphragm pressure regulator, with two separate seats for pressurising and venting. The outlet pressure is compared with the set pressure via a pressure sensor and is constantly corrected by the electronic system resulting in:

          Higher Accuracy

          Responsiveness <0.1%

          Reaction times of <7ms

          Long Service Life

          Low power consumption


Port Size Max Flow Rate
Output Part No:
4-20mA Output
Part No:
Voltage Output
G1/8 350 0-8 Bar PS 11111-B PS 11113-B (0-8V)
G1/8 350 0-2 Bar PS 11139-B-20 PS 11162-B-20 (0-10V)
G1/8 350 0-0.2 Bar PS 11139-B-02 PS 11162-B-02 (0-10V)