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Retention time
Retention time describes the time, in which a volume of wastewater is stored within the pumping installation, pump sump, pipeline, detention basin etc.
Return temperature
Return temperature is a term describing the return water temperature in a heating system.
Roof tank systems
Roof tanks are fresh water tanks, placed atop high-rise buildings.
Rotating part of shaft seal
The rotating part of the seal is fixed on the pump shaft and rotates in the liquid during pump operation.
Rubber is used as a part of the shaft seals that prevent the pumped media from running out of the pump.