Pilot operated electric-hydraulic proportional directional valve
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4DWGR TYPE PROPORTIONAL DIRECTIONAL VALVES,ELECTRO-HYDRAULICALLY OPERATED.
4DWGRZ series, controlled by proportional electromagnet ,are pilot operated proportional directional valves which translate the electrical signals into the hydraulically signals.It is used to control the liquidity's flow and direction. 4DWGRH series,controlled by proportional electromagnet,are remote control operated proportional directional valves.4DWGRH's principle and function is the same as 4DWGRZ.
4DWGRZ series, controlled by proportional electromagnet ,are pilot operated proportional directional valves which translate the electrical signals into the hydraulically signals.It is used to control the liquidity's flow and direction. 4DWGRH series,controlled by proportional electromagnet,are remote control operated proportional directional valves.4DWGRH's principle and function is the same as 4DWGRZ.