On the basis of the original vertical multistage pump, this unit has developed a new generation of XBD(I) type medium and low pressure fire pump set products according to the new standard requirements of fire pump.This series of pumps meet the requirements of fire pump in performance, structure, material and matching.Because of the excellent hydraulic model, this series of pumps can meet the requirements of users;Uses the vertical pump structure, has the high efficiency, the performance range is wide the characteristic, can better saves the occupation area the advantage: USES the high quality bearing and the high quality motor, makes the pump operation more safe and reliable, the noise is low, the vibration is small;The use of hydraulic balance axial force, reduce the balance drum, can make the operation more stable.The shaft seal has two forms of mechanical seal and packing seal. The pump has the characteristics of inlet and outlet water flange pipeline arrangement, high speed, light weight and so on.