2012年7月21日星期六

Steam solenoid valve instructions for use


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Everyday life we ??come into contact with steam is often divided into two types of boiler steam - saturated steam, thermal power plants out of steam - superheated steam, saturated steam temperature and pressure is relatively stab le three way position, the temperature is below 200 ° C, working pressure of less than 1.6 mpa superheated steam temperature and pressure changes base of temperatures up to 400 ℃, working pressure of less than 4.0Mpa For the first steam

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