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  1. pumposervicio

    relationship of velocity to power

    Hey guys, One consultant asked me for 1200mm dia pump. Did my work and came out with only 900mm dia. So I tried to talked him out to use the 900 instead of the 1200. Less cost initially and lower operating cost in terms of power. He didn't agree. He said he took into considerations the velocity...
  2. pumposervicio

    boiler circulation pump

    hi all pls help me to understand this. in power plant, why do we need to put a boiler circulation pump to boiler ? what is the use of it? boiler produce steam @ 200deg (c), h= 700m, Q = 50cu.m/hr. thanks
  3. pumposervicio

    Sizing the piping of a water drainage system

    hi majs1978 you need to specify the lenght of pipe to determine the pipe size and the friction losses in linear pipeline and which is the correct flow requirement? how many pump will running at a time concerning the total value of flow rate? but here's some info that will help you. friction...
  4. pumposervicio

    Variable speed pump

    hey guys.... mrelet : as i experienced...i didnt find in the market the vfd 10hp single phase..you better to find 230v, 3 phase, and your motor will be also 3 phase...and the amps rated is 28A..... hp x 746 ______________________ = 27.6A 1.73 x 230v x .8 x .85

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