Signalling devices
Command and signalling devices can monitor the evacuation process. Either via the pressure or the level.
NSA
Float controlled level indicators, e.g. for use as starting signal for centrifugal pumps when evacuation is finished.
PSA
Pressure monitoring of liquid supply systems, etc. Dry-run protection and automatic shut-off device for centrifugal pumps For clean or slightly contaminated liquids. Nozzle connection.
