Priority unloading valve for XGMA XCMG 12C0011

Priority unloading valve for XGMA XCMG 12C0011/XGMA Loader Priority Unloading Valve 12C0011/XCMG Loader Priority Unloading Valve 12C0011/XGMA XCMG Loader Steering Control Valve Priority unloading valve for XGMA XCMG ,part number：12C0011 Priority unloading valve structure, mainly increased unloading safety valve, one-way valve spring, equivalent unloading one-way valve, unloading spool, unloading valve spring and other components. When the working system is in a high pressure state, the EF port is also in a high pressure state, and the high pressure oil opens the equivalent unloading one-way valve 3 and contacts with the unloading relief valve 1. When the pressure exceeds the set pressure of the unloading safety valve, the unloading safety valve opens, and its return oil reaches the left end of the unloading valve core 4 through oil passage B, overcomes the spring force of the unloading valve spring 5, and the unloading valve core moves to the right, and the high pressure oil of EF p…