... prevent the pressure plate moving.The other is automatic pressurize type. Automatic pressurize type or automatic pulling plate type filter press, after press the plate frame, ... from plate frame in the filtering process.2, Hydraulic pressure type filter press is easy to operation. It saves time and ... stainless steel etc.4, 450, 630, 800, 1000, 1250, 1500 type filter press’s operation way is hydraulic