20 July 2014

Chemical Metering Pump Feed Rate Calculator

Chemical Metering Pump Feed Rate Calculator

Formula:

GPH = (GPM x .006 x PPM) /  % Concentration x S.G.


Where,
  • GPM = flow to be treated.
  • .006 = Constant.
  • PPM = Dosage required.
  • % Concentration = Concentration of chemical in pumped solution
  • Use full number (15% solution is [15] in formula not (.15)).
  • S.G. = Specific gravity at pumped solution. 


GPM : m3/h
PPM Dosage : mg/l
Concentration of Chemical: %
Specific Gravity at Pumped Solution:
Gallons Per Hour (GPH)



Example:

2% solution is required for pumping a 55 gallon feed tank is in use and 12% chemical is available.

 55 x 2
 -------- = 9.17 gal. chemical to 45.83 gal. water in tank
    12

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