(used in business units, cities in the North)1, how many watts, head M?2 is it fixed or removable?3, portable or heavy?4, how many units? What brand is good (Fire Department, or flood control command, often used brand, model)?5, diving?
Do not know where to use, in case the the Yellow River burst, you might as well buy a boat
Each manufacturer's model is different, with submersible sewage pump is better,Submersible sewage pumps are portable, portable
Select the QW submersible pump, which is potential water, (flow, lift, bore, power)Flow, how many tons of water pump an hour to play, you choose how much?Lift, water pump from the destination is a few meters, how many meters?,Caliber, this pump potential water, without flange connection, only flow, head can reach.Power, look at the flow and lift is how much, and then choose the right motor (this is regular)The voltage is usually 380V.You can move, it is best to fix a seat, weight, this pump is basically a person can not move, and small can take.Brand, regular manufacturers can.Model, (caliber, flow, lift, power, voltage) tell the manufacturer.