Research on on-line calibration of self-operated regulating valve on offshore oil production platform
Self-propelled valve is a kind of without foreign energy,relying on the measured medium pressure or temperature or flow changes to automatically adjust the valve,is based on the mechanical principle will be charged with the medium into the actuator force action to control the original displacement to automatic adjustment,valve or valve constant pressure or decompression of energy-saving products.The valve set measurement,execution and control functions in one,into an independent instrument control system,with simple structure,cheap and reliable action,suitable for adjusting precision requirement is not high or instrument gas supply difficult occasions,widely used in chemical industry,oil,electric power,light industry,metallurgy and other industrial sectors of automatic control
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