Working principle of ATOS proportional pressure cartridge valve

Brand ATOS/Italian Atos Application Areas Chemical, Petroleum, Mining, Road/Rail/Marine, Comprehensive ATOS Solenoid Valves, ATOS Vane Pumps, ATOS Piston Pumps, ATOS Hydraulic Pumps, ATOS Proportional Valves, ATOS Relief Valves ATOS Cartridge Valve Unit Operating States: Let the pressures at ports A, B, and x be pA, pB, and px respectively, and their effective areas be AA, AB, and Ax respectively. The return spring force at the upper end of the valve core is Ft. When pxAx + Ft > pAAA + pBA