First, the product overview XBD vertical multistage fire pump is based on the original DFL vertical single-stage centrifugal pump according to GB6245-1998 "fire pump performance requirements and test methods" standard requirements improved. Mainly used for fire hydrant water supply, sprinkler system water supply, other fire fighting system water supply, other occasions, the transfer of clean liquid. XBD vertical multistage fire pump Second, the product features 1, easy installation and maintenance: pipeline installation, import and export can be installed in the pipeline as any valve in any position and any direction, installation and maintenance is extremely convenient. 2, beautiful appearance: the use of stainless steel jacket and pipe structure, beautiful appearance. 3, less running, maintenance costs: the use of reliable mechanical density, low failure rate, with less maintenance costs. 4, low cost: The use of high-speed motor, so that the series of pumps with light weight, small size, low cost wait characteristics. 5, unique nib, reduce noise: unique hydraulic components design, good over-current performance, to minimize the flow of noise. Third, the working conditions Flow range: 0.56 ~ 45L / s Rated pressure: 0.2 ~ 2.3MPa Speed: 2900r / min Operating temperature: -15 ℃ ~ +105 ℃ Ambient temperature: ≤ +40 ℃ Maximum working pressure of the system: ≤ 2.5Mpa