Steam Main Jargon Buster


A SI unit of temperature.

Kilowatt (kW)

This is a metric unit of power equal to 1 000 watts. This equates to approximately 1.34 horsepower.

Kinetic energy

This is the ability of an object to do work by virtue of its motion.


A metric flow coefficient most used for valves. It is defined as the flow of water (at 15 °C) in m^3/h through an orifice with a differential pressure of 1 bar.


The Kv of the valve with the valve at the fully open design condition.

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