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London & North Western Railway Society
Glossary for the LNWR Society

Glossary Results for Word "Super Heated Steam"

Super Heated Steam Steam is taken from the boiler, and heated a second time through the exhaust gases. This increases the volume of steam and makes for greater efficiency. Superheated steam has less water vapour and will therefore not condense as rapidly as 'wet' or saturated steam. It can lead to a 25% saving in coal and 30% saving of water consumption.