Dry running protection
'Dry running protection, also known as dry-run protection or dry-running protection, is a type of protection mechanism to prevent a rotor, pump or stirrer shaft from operating without any medium added, as the bearing and shaft seal might be damaged if the motor is run while dry.[1] Dry-running protection is one of the most important monitoring functions. It is thus always recommended to install dry-running protection on all booster sets.
There are three different methods for detection of water shortage: Pressure switch on suction manifold or float switch/electrode relay in the supply tank: Dry-running protection with pressure/level switch.
Measurement of inlet pressure in the suction manifold by means of an analogue pressure transmitter: Dry-running protection with pressure transmitter.
Measurement of level in the supply tank by means of an analogue level transmitter: Dry-running protection with level transmitter.
References
- ↑ "Dry Run Protection". Retrieved 14 July 2016.
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