Modulating valve ARE designed to regulate the flow rate and maintain a constant level, pressure or temperature value.

The special membrane actuator connected to the positioner allows partial opening and closing of the shutter, allowing intermediate flow rates and consequently pressure drop in the valve.  Particularly suitable for applications where accurate control of the pressure, temperature and level measurements in the filling tank are required.


  • BBZK Modulating valve with membrane actuator
  • BBYK – Modulating valve with membrane actuator and steam barrier
  • BBZPM – Modulating valve with electropneumatic positioner and piston actuator
  • BBYPM – Modulating valve with electropneumatic positioner, piston actuator and steam barrier

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