Detailed Product Description

The newly incorporated inner-mounted fully automatic interlock system increase the operation safety freatly. Inner-mounted special oil inlet safty valve-overload protection and anti-cavity;The fast response negative flow system guarantee it is in low flow when control level at neutral position to minimize power consumption.The unique design of the new spool greatly increase the operation preciseness;the incorportated jet-flow sensor in the valve,swing priority,arm priority,boom priority,including the unique bucket flow combifunction-realize the interflow on every side(swing arm,bucket rod,bucket),straight travel;Return oil  regeneration-energy saving;Adjustable stand-by vavle- it can be fitted with  various hydraulic machines and tools,expand the excavator operation function.