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PT 100 sensor
A PT 100 sensor is a temperature sensor which works by measuring electrical resistance through platinum (Pt) metal.
PTC thermistors
Thermistors are resistors that react to temperature changes.
Pump revolutions
Changing the revolutions of the pump to a lower or higher speed will change pump curve.
Pumping station
Pumping stations in sewage collection systems are normally designed to handle raw sewage that is fed from underground gravity pipelines.
Pumps in parallel
Pumps in parallel will increase Q.
Pumps in series
Pumps in series will increase the head.
PUR foam
PUR foam is used for insulation of almost all cooling pipes and cooling installations.
Q-H curve
The pump performance curve shows the relation between flow and head.
Radial fan
A radial fan is a device that consists of an impeller driven by an electrical motor.
Radiant heating
Radiant heat is thermal radiation between two surfaces.