Company Information
Production Description
Packaging & Shipping
Our Services
Partnership
FAQ
Details:
Welcome to China, Welcome to Shanghai, welcome for your visit!
                                                                    GRH TEAM
| GUORUI HYDRAULIC |
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GRH specializes in providing hydraulic components and solutions for hydraulic systems. With over 30 years of continuous improvement and enthusiasm, GRH has become a rising power in the fluid power industry since its establishment in 1986. Research and development are the driving force behind our ability to create new products. Our guiding principles include standards like TS16949 and ISO14000. Employees' capabilities and creativity are key factors that set us apart from 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 in industrial machinery, construction equipment, agricultural equipment, and material handling applications. We are also willing to work with customers to develop specialized products tailored to their unique needs. Our customers can rely on GRH's extensive system design and application experience when designing their hydraulic systems. |
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GRH has developed a series of load-sensing proportional stackable valves, which enhance valve operating performance and system efficiency. |
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GRH (Shanghai) - International Sales Office GRH (Jiangsu) - Manufacturing Facility and Domestic Sales Office |
Production Description
| Major Technical Data | |
| Rated flow rate: | 45 L/min |
| Maximum flow rate: | 100 L/min |
| Maximum pressure at P port: | 310 bar |
| Maximum pressure at A/B port: | 310 bar |
| 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 | Â |
| with NBR (BUNA-N) seals: | -20ºC - 80ºC |
| with FPM (VITON) seals: | -20ºC - 100ºC |
| Spool stroke (1/2 position): | +7/-7 mm |
| With floating function (1/2 and F position): | +7/-7 - 9 mm |
| Recommended temperature range: | -40ºC - 60ºC |
Packaging & Shipping
| One piece in one box |
Our Services
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GRH currently has over 300 employees, including 51 technical staff. The company's fixed assets amount to RMB 42 million, and it occupies a space of 22,000 square meters. There are approximately 208 machines, producing about 1.6 million hydraulic components annually. GRH has four centers and four branch plants: Design Center, Sales Center, Administration Center, and Testing Center; as well as Gear Pump and Motor Plant, Hydraulic Valve Plant, Heat Treatment Plant, and System Plant. |
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GRH will work together with customers to create a better future |
Partnership
| John Deere | Mahindra |
| Terex | HYDAC |
| EATON | NEW HOLLAND |
FAQ
| Q: What is our main application? | Â |
| A: 1. Hydraulic system 2. Agricultural machine 3. Construction machine 4. Automobile 5. Local distributors | Â |
| Q: What is the payment terms? | Â |
| Full order: 30% deposit, balance before shipment Small order/sample order: Full payment in advance | Â |
| Q: Can I mark my own brand on the pump? | Â |
| A: Yes. Full orders should be marked with your brand and code. | Â |
| Q: What is our main export market? | Â |
| A: America (45.5%): United States, Canada, Argentina, Brazil Europe (30.8%): Italy, Germany, England, Holland, Spain, Switzerland, Finland, Russia, Poland Asia (18.5%): Korea, Singapore, India, Turkey, Iran, Vietnam, Saudi Arabia, Syria, Israel, Lebanon Others (5.8%) | Â |
Details:
| Material: | Cast iron covers and aluminum body / full aluminum / full cast iron |
| Port: | BSP, NPT, UNF etc. |
| Shaft: | Tang claw shaft, Tapered key shaft, Spline shaft |
| Front cover: | 4-bolt rectangular flange, 4-bolt square flange, 2-bolt SAE flange |
| Application: | Construction machine, agriculture machine, hydraulic system |
| Valve option: | Pressure Relief Valve, Flow Control Valve |
| Shaft seal: | V (-10°C~120°C), H (-40°C~80°C), T (3~6bar), N (3~10bar) |
Welcome to China, Welcome to Shanghai, welcome for your visit!
                                                                    GRH TEAM
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