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Custom blast freezer features include bimetallic couplers; low temperature (-40) DX ammonia evaporator system with smart hot-gas defrost; antimicrobial fin materials and coil construction; and USDA sanitary design for food processing applications.
A corrosion-resistant vacuum pump has been designed to guard against the damaging effects of ammonia-based refrigerants. The NP12DA1 ammonia vacuum pump from Navac combines protection with power via a flow rate of 12 cfm for fast performance.
