2013年11月13日星期三

Mixed gas pressure control valve

Regulating valve is a fluid transfer control system is an important component in the fluid pipeline , the rational use of the media regulating valve for regulating the flow rate , pressure and other parameters for effective control, and control fluid pulsation , to reduce energy consumption and improve energy efficiency has is of great significance . Valve is widely used in chemical, petroleum, metallurgy,  Instrumentation ball valve , light , water , marine and aerospace industries , along with industrial development, pipeline fluid flow toward larger , higher pressure in the direction of flow regulation so big valve applications more widely. Mills use mixed gas for gas - steam combined cycle power generation projects,  Stainless steel needle valve , the mixed gas flow requirements up 54000Nm3 / h or more, for the mixed gas pressure control valve nominal diameter exceeding 200mm. Large flow of mixed gas regulator control is the key steel cycle power  2 way manifold  technical problems . Usually regular preventive maintenance of the means to ensure high flow control valve job security and reliability , but preventive maintenance there is a " maintenance of excess " problem , resulting in high maintenance costs , resulting in reduced reliability , the failure rate increased ;

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