4 Way Hydraulic Valve Diagram. Piston hydraulic valve operator e. The flow path when actuated at the 14 end of the valve is from port 1 to port 4 and from port 2 to port 3.
Hydraulic test pom plugged port rotary union detent return abovebelow fluid level check valve shut off valve spool controls energy transformations fixed displacement pump single acting hand pump. Both valves shown are four way two position valves. C double acting cylinder p pump e electric motor t tank f filter r relief valve d 3 position 4 way tandem center manually operated and spring centered dcv problem 1.
Control of double acting hydraulic cylinder.
Diaphragm valve operator b. Adjustable 2 way flow control wrrh reverse flow check cc. Fluid can flow from the pump to the actuator via path p a or p b and from the actuator to the. 4 way valves are designed to operate double acting hydraulic tools.