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Steam valves are used to release pressure to make sure the safety of the home appliance. Since there are a varoety pf steam valves in our daily life, here will introduce you some famous steam valve for you to have a basic knowledge. Of course, the type of steam valves is not limited in the following ones and these are just for your reference. 
Safety Valves
You can find a few steam valves on the engine of a locomotive. Steam locomotives work on the pressure created when water evaporates and expands into steam. Sometimes, the engines get too hot and too much steam is created, which will force the machinery of the train to run too fast. When this situation happens, the safety steam valve will help to  release a bit of steam to make the pressure regulated for safety.
Pressure Valves
Steam engines also have pressure valves. The pressure valves release steam from a boiler, where the steam is first created by heating water, into another chamber where the steam is converted into energy.




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