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Economizer
The operational efficiency of boiler systems that use natural gas as fuel can be improved by utilising the water content of the flue gas.
Efficiency curve
The curve shows the η (efficiency) of the pump. Efficiency is measured in %.
Efficiency performance standards
Efficiency performance standards regulate motor efficiency and stipulate minimum efficiency requirements.
Effluent
Effluent is the outflow of water from a natural body of water or from a man-made structure.
Emergency run
Hydro MPC booster sets and Control MPC systems in pressure boosting applications incorporates an emergency run function designed for important systems where the operation may not be interrupted.
Enclosure class
Enclosure class states the degree to which an electrical enclosure, such as a motor, is protected against the intrusion of solid objects and water.
Energy costs (Ce)
Energy consumption is most often the largest component in the calculation of the life cycle cost for a pumping system.
Energy label
Most domestic appliances, light bulbs and cars offered for sale or rent in the EU must clearly display an EU Energy Label showing the product’s energy efficiency.
Energy meter
Energy meters are used to measure energy consumption. They are typically used when settling accounts with district heating companies.
Enthalpy
Enthalpy is a description for an amount of energy, and can be found in reference material for different elements at different temperatures and pressures.