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Pump Eff.% = Gpm X 8.33 X Ft.Hd / Bhp X 33000

Hello I think you can't change the impeller because inside the case of the pump ther is a impeller tongue. from the tongue to the imapeller is just a litter gap that permit the pump be a pump and also the imapeller is not in the center of the volute is closer to the discharge that is to the...

Go to the Trane web site and look for Application Engineering Manual Multiple-Chillers-System Disign and Control. Is Good Literature Order Number = SYS-APM001-EN(October 2000) File Number = PL-000-SYS-APM001-EN Supersedes = CON-AM-21 (MAY 1987) Stocking Location = La Crosse www.trane.com...

Go here thay have Centrifugal Screw Pump leterature: http://www.pacificliquid.com/install&maintain.htm

check the chilled water loop pressure on the system eather is to much or not enough check before and after pressure if is to much the water travel to fast or to slow trough the system and you will loose the cooling efficiency like DMC and quark sed check the pump inlet and outlet pressure. also...

to calculate the pump efficiency this is the method use: Pump Efficiency % = GPM X 8.3 X FT.HD. __________________ BHP X 33,000

Hello jamesxi Here go to this site you can get a table on how to calculate a centrifugal foce this is a centrifugal force lab Website.. http://www.centrifuge.jp/calculation/

Hi Dugal, I don't Know if this will help or if will Comply with your code or your App. Hydrostatic Test (New Boilers Or Boilers with Parts Repaird or Replaced) If is on a Boiler: 1- Remove any safety valve and Blank off or use a test Clamp to gag them Close (On the Divece you are testing). 2-...