Niro / Alfa Laval pilot plant falling film tubular {3} effect evaporator system { skid mounted }, manufactured entirely of sanitary stainless steel, with a rated capacity of 40-120 kg / hr of water evaporation. The unit is complete with SiHi vacuum pump, stainless steel centrifugal product pumps, and unitized on common base with piping and controls. There is 1.5 sq. meters of tube surface in the surface condenser, 1.38 sq meters in the first effect, .92 sq. meters in the 2nd effect, and .46 sq. meters in the 3rd effect. The unit was new in 1978, is in excellent condition.