Viking Pump

4924A Series Ammonia

Viking Pump Ammonia Gear Pumps are designed for liquid overfeed ammonia refrigeration systems. They pump from the accumulator to “overfeed” the evaporator, ensuring that liquid ammonia is present throughout the evaporator coils to provide greater heat transfer efficiency than direct expansion systems where ammonia vaporizes completely.

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  • Description

    Viking Refrigeration Ammonia pumps are designed for liquid overfeed ammonia refrigeration systems. They pump from the accumulator to “overfeed” the evaporator, ensuring that liquid ammonia is present throughout the evaporator coils to provide greater heat transfer efficiency than direct expansion systems where ammonia vaporizes completely.

    • Double mechanical seals with pressurized seal chamber and oil reservoir pressurized by ammonia, no external flush system required.
    • Adjustable return-to-tank pressure relief valve.
    • Pressure-lubricated idler bushing maximizes bushing life.
    • Designed for ammonia refrigeration systems.
  • Additional information

    Pump Type Gear Pumps
    Series 4924A, 4925, HL4924A, K4924A, KK4924A, LL4924A, LQ4924A
    Manufacturer Viking Pump
    Models
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    • Technical Data
    • 4925
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    ,
    ,
    ,
  • Technical Data

  • Performance Curves

  • Legacy

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