Ammonia Wet Return Line

Hello,
Please let me know what is the selection criteria of wet return line of ammonia?
and what will be the suitable line size for ammonia wet return line if the cooling capacity is 287 kW and circulation ratio is 4?

Large is the short answer.

sorry a little politeness goes a long way, and a lot more information required.

Hi, Ubaid Rehman :)welcome to RE forums .... please, it is not needed to ask almost the same question twice ... put all you need in one question .... it is easier for you and for us ....

Quote:

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Originally Posted by Ubaid Ur Rehman

Hello,Please let me know what is the selection criteria of wet return line of ammonia? and what will be the suitable line size for ammonia wet return line if the cooling capacity is 287 kW and circulation ratio is 4?

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Quote:

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Originally Posted by Ubaid Ur Rehman

Hi,I'm using danfoss coolselector 2 software for selection of liquid and wet return line of ammonia refrigeration system. It provides 3 selection criteria for that which are as below:

1. Pressure Drop or Velocity
2. Pipe Size
3. Saturated Temp. Drop (0.02K/m)

Please guide me which one is most accurate one and what is the default value of pressure drop in this software? and what are the recommended velocities for both lines?

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to get a good suggestion you must give us as much as possible data regarding your question ... i.e. evaporation pressure/temp, condensing pressure/temp, distance from evaporator to suction separator ...

Best regards, Josip :)