The electric fire pump is an important part of the fire water supply system. The electric fire pump consists of two parts, the motor and the pump. The pump and the motor are coaxial. The pump structure includes pump body, impeller, pump cover, mechanical seal and other components. It is suitable for building fire protection engineering, high-rise building water supply, water tower water supply, long-distance transmission, cycle pressurization, and also suitable for heating rooms, boilers, hot water stations, and cold and hot water circulation.