| Customization: | Available |
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| Temperature: | Ordinary Temperature |
| Certification: | CE, ISO9001 |
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About us
| SHANGHAI GUORUI HYDRAULIC TECHNOLOGY CO,. LTD |
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GRH specialized in providing hydraulic components and solutions for hydraulic systems
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With continuous improvement and enthusiasm over the past 30 years, GRH has developed into an emerging
Power in the fluid power industry since it was established in 1986.
Research and development are the driving force that facilitates GRH's ability 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.
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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.
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GRH has designed and developed a series of load sensing proportional stackable valves which provides an improvement in valve operating performance and system efficiency.
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GRH (Shanghai) - International Sales Office
GRH (Jiangsu) - Manufacturing Facility and Domestic Sales Office
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Production description
| Major Technical Data for Control Valve | |
| Rated flow rate: | 45 L/min |
| Maximum flow rate: | 55L/min |
| Maximum pressure at P port: | 310 bar |
| Maximum pressure at A/B port: | 310bar |
| Maximum pressure at T port: | 25 bar |
| Internal leakage(at 70 bar):A/B to T | 30-35 cc/min |
| Temperature range of the hydraulic oil | |
| with NBR(BUNA--N)seals: | -20ºC-80ºC |
| with FPM(VITON)seals | -20ºC-100ºC |
| Spool stroke(1/2 position): | +7/-7mm |
| With floating function (1/2 and F position) | +7/-7-9mm |
| Recommend temperature range: | -40ºC-60ºC |
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