Residual Flow Calculator
Calculate required flow for metering pump based on solution
strength and desired chemical residual
Flow rate of process stream
USGPM
USGPH
LPM
LPH
M3H
Desired concentration of injected chemical
ppm
Solution strength in percentage
%
Pump required output
_____ GPD
Example
:
Main water flow is 40 GPM, to maintain a chlorine residual of 10 ppm using 12.5% Sodium Hypochlorite, the pump would need to deliver 4.608 USGPD
Formula
:
(main_flow * residual) / (concentration)