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18-06-2012, 10:22 AM #1
R22 retrofit flooded Industrial plant
Has anyone changed refrigerant in a flooded R22 plant with good results?
Have a plant with approx 700kg of R22 with a flooded shell & tube heat exchanger.
Refrigerant on tube, side single stage economized plant with screw compressor.
-40 C sst mineral oil used.
Have had R434A recommended, any other suggestions etc
Thanks