New Hydraulic Conversion Kit Oil Pump 3CH Mini Valve Relief Valve for Huina Double E Kabolite RC Excavator DIY. Suitable for All Kinds of Hydraulic Models, Huina 1580 1592 1593 1594 Hydraulic Conversion/Kabolite 336/966/ Volvo Double E EC160E E010. Size(without nozzle connector): 62.5mm58.2mm35.2mm. Use requirements: rated 1.5-6MPA. Structure: Without central oil return function, you can use it with the overflow valve. When the cylinder reaches the longest and shortest stroke, the overflow valve automatically opens the pressure relief valve to drain the oil into tank. Material: 7075 Alloy for valve body, Copper for valve center. Large stainless steel knob for easier pressure adjustment. Pressure adjustment range: 2-10mpa. (The color of the pump head is divided into black and red two versions, the function is the same, only the color is different). More room For more possibilities. Pump gear: 420F6 steel. Sealing ring: nitrile rubber. Nozzle connector: oil inlet M5-4mm, oil outlet M5-4mm. Motor: 2212 brushless motor (3.0mm plug). Selected part from the list. Fast Responses: We reply to all customer inquiries within 24 hours, ensuring your questions are answered promptly. We’re here to help with any concerns or issues you may have.