... system:Supply auxiliary equipment to the water treatment room, water pressure ≥0.2 Mpa, water usage:4M3/ h, there should ... produced multi-stage pumps. Electrical automatic control AC contactor controller, comes with a flow meter, pressure gauge, automatic ... system A, Famous electrical componentsB, Low voltage switchC, Level control switchD, FlowmeterE, Pressure gaugeF, Stainless steel electrical ...