What is pump head unit Mlc?

MLC = Meter Liquid Column MWC = Meter Water Column the relationship of Head MWC and Head MLC. As long as there are no correction factors involved like viscosity, slurry, etc., The performance of a centrifugal pump will be exactly similar for both water and liquid. If the total differential head is specified in terms of pressure like Kg/Cm2, PSI, etc., the specified pressure value is to be divided by the specific gravity of the liquid being pumped, then the correction factors are to be applied for converting into metres.