60 Plate Stainless Steel Wort Chiller
B3-36A 60 Plate Beer Wort Chiller. 3/4″ x 1/2″ Male NPT. 304 Stainless Steel Plates with with 99.9+% Copper Brazing. The description says that this should produce 75 deg F wort with 5 gpm of 68 deg F tap water. Results may be improved with higher cold water flows and lower cold water temperatures.
B3-36A 60 Plate Beer Wort Chiller 3.2 gpm 3/4″ x 1/2″ Male NPT M8 Mounting Studs Stainless Steel Heat Exchanger
I have the 40 plate version, and it takes a 10 gal batch from boiling to 70-ish in under 4 min, I can’t imagine the abilities this monster must have! I wouldn’t recommend even trying this unless you are normally making 15+ gallon batches.