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SHANGHAI GUORUI HYDRAULIC TECHNOLOGY CO,. LTDGRHspecialized in providing hydraulic components and solutions for hydraulic systemsWith continuous improvement and enthusiasm over the past 30 years, GRH has developed into an emergingPower in the fluid power industry since it was established in 1986.Research and development are the driving force that facilitates GRH'sability to create new products.Standards of TS16949 and ISO14000 are our guiding principles.Employees' capabilities and creativity are major factors that differentiate GRH from our competitors.GRH designs and produces Hydraulic Gear Pumps &Motors, Monoblock Valves, Sectional Stack Valves, Proportional Valves and Flow Dividers.These products are used on industrial machinery, construction equipment, agricultural equipment and material handling applications.GRH is also willing to work with our customers to develop specialized products for their special needs.Our customers can count on GRH's extensive system design and application experience when they are designing their hydraulic systems.GRH has designed and developed aseries of load sensing proportional stackable valves which provides an improvement in valve operating performance and system efficiency.GRH (Shanghai)- International Sales OfficeGRH (Jiangsu)-Manufacturing Facility and Domestic Sales Office
Production descriptionMajorTechnicalData for Control ValveRatedflowrate:45L/minMaximumflowrate:55L/minMaximumpressureatPport:310barMaximumpressureatA/Bport:310barMaximumpressureatTport:25barInternalleakage(at70bar):A/BtoT30-35cc/minTemperaturerangeofthehydraulicoilwithNBR(BUNA--N)seals:-20ºC-80ºCwithFPM(VITON)seals-20ºC-100ºCSpoolstroke(1/2position):+7/-7mmWithfloatingfunction(1/2andFposition)+7/-7-9mmRecommendtemperaturerange:-40ºC-60ºC
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