ESK Suction Accumulators

ESK suction line accumulators incorporate the injection principle which has been tried and tested for many years. Even if the accumulator is full of liquid refrigerant, it is not possible for liquid to enter the compressor suction.



In particular in compact plant with short suction lines, too low a suction superheat (below 7 K) will result in a loss of compressor oil pressure and a subsequent decrease in system capacity through displacement of oil by liquid refrigerant. ESK suction line accumulators protect the compressor against liquid hammer and its subsequent damage. The use of a suction line accumulator is strongly recommended under the following conditions:

• Parallel connected compressors

• Container cooling

• Transport refrigeration

• Flooded evaporators

• Two-stage plant

• Reverse cycle operation

• Use of hot-gas defrost

• Superheat less 7 K

• Heat pump systems

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