Hydraulic Valve 1-6CH Mid-position Return Oil Reversing RC Excavator System. Directional valve body material: aluminum alloy. Machining process: CNC super-finish machining. Surface treatment: anodic oxidation. Product medium: 46# hydraulic oil. The product is suitable for please use below 8MPA, the best control in about 6MPA. Medium-position overflow function, the oil will flow back to the fuel tank when not in action. There will be no internal leakage or external leakage under no-load and load conditions. The valve requires a high degree of oil cleanliness, it is recommended to install oil filter, change the oil diligently! Note: the rudder is not guaranteed. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.

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