... 226 bar 2.Voltage:DC12,DC2,AC110,or AC220 integrated pump and lift valve made of regulating valve,check valve, ... GPY-3R: 3cc/rev;GPY-4R: 4cc/rev;GRY-5.8R: 5.8cc/rev;GPY-7R: 7cc/rev;GPY-8R: ... valve is applicable to single-circuit and single-power hydraulic system. 2,All valves in the main valve is made ... of cartridge valves,simple,small-size and with the capacity to ...