http://www.kindratechina.com/f....itting-part-for-pipi valve positioner is an intelligent process control instrument based on microprocessor technology and using digital technology for data processing, decision generation and two-way communication. intelligent valve positioner does not need manual adjustment. intelligent valve positioner can automatically detect the zero point, full range and friction coefficient of the regulating valve and automatically set the control parameters. The utility model relates to a valve positioner which can automatically detect the
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