How many relief valves are there in the main control valve of a

www.partsdictionary.com/c/pro... Do you know how many relief valves are there in the main control valve of a KOMATSU excavator? Do you understand their functions? The main control valve intercepts high-pressure from the main pump and reduces it to low pressure through relief valves. This low pressure is then utilized for various control functions such as proportional solenoid valves, signal solenoid valve groups, and the movement of control levers, facilitating the switching of the main spool of the main control valve to achieve... www.pumpassy.com/4468336-hita...