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  1. ukupul

    Increasing fire jocky pump flow rate..impact on system....?

    Guys Thanks all for replying. Finally i fond some useful information from Armstrong web site, Please read STEP 6 - Selecting Jockey pump. thankshttp://files.engineering.com/getfile.aspx?folder=3a78ce6f-cc27-47dc-ae20-90e9b6185450&file=jockey_pump_cap..pdf
  2. ukupul

    Increasing fire jocky pump flow rate..impact on system....?

    Thanks for quick replies, Artisi - specification & issued for construction drawing manetioned , design based on NFPA. quark - I got an idea about size of jockey pump, my system volume is 7.75 m3, my jockey pump stop(cut out) pressure setting will be 22.7bar(shut off head) + delta (flooded...
  3. ukupul

    Increasing fire jocky pump flow rate..impact on system....?

    Appreciate replyies of all guys, I'd like to add something here, this is FIRE system (stand pipe, hydrant, hose, sprinkler) as Bigmach mentioned. 1) my design fire jockey pump is 15.4gpm, 20bar(disign done by other party, i don't have any contact with them now) 2)contractor fist submit 26gpm...
  4. ukupul

    Increasing fire jocky pump flow rate..impact on system....?

    I'm working in a High rise building project in Dubai, Our design fire main pump is 1000 gpm(duty + standby) & jockey pump is 26 gpm, head is 20 bar. but fire sub contractor has submitted jockey pump material submittal with 100gpm flow rate. submitted main pump is ok.(capacity & head) I want to...
  5. ukupul

    How to calculate Chilled Water PUMP HEAD????

    I'd like to refer to thread407-199822 in reply of BigInch. I've attached here his scketch to ask my question. 1)do we need to add height of water lift of expansion tank(for closed & open type expansion tanks) + atmospheric pressure (only for open type expansion tank) for pump head calculation...

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