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Thread: Minimum discharge pressure
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08-02-2007, 05:42 PM #1
Minimum discharge pressure
We have Sabroe 163 HF and 163 HM units (Ammonia). They are about 15 years old and have the original separators on them. We would like to reduce the condensing pressure for energy reduction purposes.
I was hoping to condense at 20*C in winter.
Liquid lines are pumped.
Can anyone help me as to what the minimum pressure is to ensure good oil separation.
Is poor oil separation likely to cause damage or just reduce system performance?
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09-02-2007, 01:42 AM #2
Re: Minimum discharge pressure
if the oil separation is by the pressure diff ,there would be a minimum pressure difference. The calalogue should provide.
regards
LCI hear...I forget;I see...I remember;I do...I understand
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10-02-2007, 10:02 PM #3
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11-02-2007, 01:46 AM #4
Re: Minimum discharge pressure
Originally Posted by DKov
You need to ask the manufacturer what minimum discharge pressure is acceptable (at full load).
Or, you can slowly reduce the pressure in small increments and observe the oil levels in the crankcases.