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Piezo-operated proportional pressure valve based on the principle of a piezo element
which bends when voltage is applied. At the end of the piezo element is a flapper valve,
which operates against a precision nozzle to create back pressure on the control diaphragm
of a booster relay. A pressure transducer provides feedback of the outlet pressure compared
with the setpoint value with correction by the electronic control system if necessary.

Minimal_power_consumption:
- no self-heating, even none at pressure absence
- safe battery operation over a long period

Piezo_element:
- almost no power consumption necessary for regulation
- extremely quick regulating operations
- low-noise regulation especially for medical and laboratory technology

Small_and_light_design:
- particularly suitable for portable devices in conjunction with battery operation
- ideal for limited space conditions

PRE1:
DN 2.5, 350 l/min, coupling socket M8x1, 3-pin, monitor signal, 4-pin
monitor signal optionally 0...P2max, = 0...10 V, max. 1 mA, Ra > 1kΩ

PRE2:
DN 6, 1600 l/min, coupling socket M12x1.5, 5-pin
monitor signal standard 0...P2max, = 0...10 V, max. 1 mA, Ra > 1kΩ