Multiple Directional Valves for Construction Machinery
Model No.: ZD80-2
GRH specialized in providing hydraulic components and solutions for Hydraulic Systems
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 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.
GRH (Shanghai) - International Sales Office
GRH (Jiangsu) - Manufacturing Facility and Domestic Sales Office
|Major Technical Data|
|Rated flow rate:||45 L/min|
|Maximum flow rate:||70 L/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|
|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
|One pierce in one box|
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
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
|John Deere Mahindra|
|EATON NEW HOLLAND...|
|Q: What is our main application?|
|A: 1.Hydraulic system|
|Q: What Is The Payment Terms.|
|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|
|Asia(18.5%):Korea,singapore,India,Turkey,Iran, Vietnam, Saudi Arabia, Syria, Israel, Lebanon|
|Material:||cast iron covers and aluminum body / full aluminum /full cast iron|
|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)|
Welcome to China, Welcome to Shanghai, welcome for your visit!
GRH TEAM Contact us if you need more details on Valve. We are ready to answer your questions on packaging, logistics, certification or any Other aspects about Hydraulic Control Valve、Hydraulic Directional Valve. If these products fail to match your need, please contact us and we would like to provide relevant information.