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  1. NXTCOLD

    Low Temperature Ammonia Refrigeration Food Blast Freezing Application

    We have been asked to provide design and cost estimates for 270TR of -40F ammonia refrigeration for a series of large blast freezer cells. Requirement: Do so with lowest ammonia charge possible (less than 500 pounds in any case, to fall below CalARP inclusion threshold minimum). Four (4) 70TR...
  2. NXTCOLD

    Predictive Low Temperature DX Ammonia Refrigeration Feed Control

    This is meant for "virk" who asked about a low temperature DX ammonia application on October 7th. A new DX control system accurately predicts evaporator liquid feed requirements based on refrigerant vapor quality measured within the evaporator. The technology is called Predictive Direct...

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