GKVL80 series sectional valves are open circuit valves. Mainly used in mobile machines such as agricultural machinery, construction machines, mining equipment, material handling equipment as well as maintenance machines. All valve series adapt modular design. The system designer can choose different modules to design a complex system. Main valve spool is designed to satisfy the customer requirements, which provides excellent flow characteristics and very low flow force. With different inlet modules, it gives user the freedom for choosing different relief valve and different port locations. There are numbers of different work section modules to choose to satisfy the customer needs. Different end sections also can meet different customer needs for return ports or power beyond functions.
Functions
Inlet section without pilot supply
A/B Port with overload relief valve on work section
A port with overload relief valve on work section
B port with overload relief valve on work section
A port with P.O. check
End section with oil return port
End section without oil return port
End section with power beyond
Provide other cartridge valve option
Features
Cast iron body (inlet section, main section and end section).
Spring cap, mechanical detent cap, as well as electrical or hydraulic pilot controlled module body are made by cast aluminum or die cast aluminum.
Parallel circuit. Each section has its own load check valve, each section has load relief option and relief style options.
Provides mechanical detent and adjustable detent force.
Provides options for different relieves and different relief valve locations in the inlet.
Provides options for P. O. check valve for each work port.
Provides options for mechanically actuated pilot operated check valves to satisfied with the needs for tractors and mobile cranes.
Provides different spool functions to be used for controlling double acting cylinder , single acting cylinders, hydraulic motors.
Provides floating functions for spools.
Provides excellent flow characteristics and small operating force.
Can be proportionally controlled without pressure compensation.
Can be assembled with 1-8 work sections.
Ordering Code
Technical Parameters
Rated Flow Rate
80L/min
Max. Pressure at T port
25bar
Max. Flow Rate
100L/min
Internal leakage(@70 bar)A, B to T
35cc/min
Min. Flow Rate
20L/min
With P.O. check
＜3cc/min
Max. Pressure at P port
315bar
Spool stroke(1, 2 position)
+7/-7mm
Max. Pressure at A, B port
315bar
With floating function(1, 2 and F position)
+7/-7 -10mm
Solenoid can be either 12 or 24VDC, corresponding current is 0-1.5 or 0-0.75 Amp.
Dimensions
Application Areas
RYAN GH series cycloidal motors are widely used in conveyors, textile machinery, mining machinery, industrial processing, cooling equipment, engineering machinery, and agricultural machinery.
