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 a series of load sensing proportional stackable valves which provides an improvement in valve operating performance and system efficiency. Details:  Welcome to China,  Welcome to Shanghai, welcome for your visit!                                                                        GRH TEAM 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 a series of load sensing proportional stackable valves which provides an improvement in valve operating performance and system efficiency. Details:  Welcome to China,  Welcome to Shanghai, welcome for your visit!                                                                        GRH TEAM
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GUORUI HYDRAULIC
Production Description
Major Technical Data
Rated flow rate:
45Â L/min
Maximum flow rate:
55L/min
Maximum pressure at P port:
310Â bar
Maximum pressure at A/B port:
310barÂ
Maximum pressure at T port:
25Â bar
Internal leakage(at 70 bar):A/B to T
30-35Â cc/min
Temperature range of the hydraulic oil
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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
Packaging & Shipping
Our Services
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Design center, sales center, administration center and testing center
Gear pump and motor plant, hydraulic valve plant, heat treatment plant and system plant.GRH will work together with the customers to create a better future 
Partnership
FAQ
 A: 1.Hydraulic system    2.Agriculture machine    3.Constraction machine    4. Automobile:    5.Local distributors   Q: What Is The Payment Terms. A:Full order: 30% as deposit, the balance before shipment; Small order /sample order: full payment in advance;   Q: Can I Mark My Own Brand On The Pump? A: Yes. Full order shold mark your brand and code;   Q: What is our main export market? A: America(45.5%):The United States, Canada, Argentina, Brazil Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland. Asia(18.5%):Korea,singapore,India,Turkey,Iran, Vietnam, Saudi Arabia, Syria, Israel, Lebanon Others(5.8%):
luminum body / full aluminum /full cast iron
 Port: BSP,NPT,UNF etc  Shaft: Tang claw shaft,Tappered 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 Relieve Valve,Flow Contro valve  Shaft seal: V(-10ºC~120ºC),H(-40ºC~80ºC),T(3~6bar), N(3~10bar) 
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GUORUI HYDRAULIC
Production Description
Major Technical Data
Rated flow rate:
45Â L/min
Maximum flow rate:
55L/min
Maximum pressure at P port:
310Â bar
Maximum pressure at A/B port:
310barÂ
Maximum pressure at T port:
25Â bar
Internal leakage(at 70 bar):A/B to T
30-35Â 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/-7mm
With floating function (1/2 and F position)
+7/-7-9mm
Recommend temperature range:
-40ºC-60ºC
Packaging & Shipping
Our Services
Â
Design center, sales center, administration center and testing center
Gear pump and motor plant, hydraulic valve plant, heat treatment plant and system plant.GRH will work together with the customers to create a better future
Partnership
FAQ
 A: 1.Hydraulic system    2.Agriculture machine    3.Constraction machine    4. Automobile:    5.Local distributors   Q: What Is The Payment Terms. A:Full order: 30% as deposit, the balance before shipment; Small order /sample order: full payment in advance;   Q: Can I Mark My Own Brand On The Pump? A: Yes. Full order shold mark your brand and code;   Q: What is our main export market? A: America(45.5%):The United States, Canada, Argentina, Brazil Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland. Asia(18.5%):Korea,singapore,India,Turkey,Iran, Vietnam, Saudi Arabia, Syria, Israel, Lebanon Others(5.8%):
luminum body / full aluminum /full cast iron
 Port: BSP,NPT,UNF etc  Shaft: Tang claw shaft,Tappered 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 Relieve Valve,Flow Contro valve  Shaft seal: V(-10ºC~120ºC),H(-40ºC~80ºC),T(3~6bar), N(3~10bar)
Model NO.: ZD80-2
Trademark: GRH
Origin: Jiangsu Province, China
HS Code: 84812010
Model NO.: ZD80-2
Trademark: GRH
Origin: Jiangsu Province, China
HS Code: 84812010
Company information
GRHÂ 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.
GRH (Shanghai)Â Â - International Sales Office
GRH (Jiangsu)Â Â -Â Â Manufacturing Facility and Domestic Sales Office
GRH now has more than three hundred employees with 51 technical workers of all kinds. Its enterprise fixed assets is RMB forty two million with a space covering 22000 square meters. There are about 208 machines , outputting hydraulic components about 1.6 million pieces.
GRH has four centers and four branch plants
GRHÂ specialized in providing hydraulic components and solutions for hydraulic systems
Â
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.
GRH (Shanghai)Â Â - International Sales Office
GRH (Jiangsu)Â Â -Â Â Manufacturing Facility and Domestic Sales Office
GRH now has more than three hundred employees with 51 technical workers of all kinds. Its enterprise fixed assets is RMB forty two million with a space covering 22000 square meters. There are about 208 machines , outputting hydraulic components about 1.6 million pieces.
GRH has four centers and four branch plants
October 22, 2018