Texting video for chiller and jacketed tank filled with ethonal

DLSB-300/40 13hp -40C chiller and 150L jacketed tank filled with ethonal, use 1 hour from 7C to -31C.

DLSB-50/80 chiller with a 200L jacketed tank filled with ethonal,One hour and forty minutes later, the chiller reached minus 60 degrees, the temperature of the tank reached minus 47 degrees, and the temperature inside the reactor reached minus 60 degrees.