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09-01-2008, 05:36 AM #1
Suction and Discharge Temperatures for Ammonia Compressor Comparison
All,
Now I have received two quotations from two different suppliers for 100 HP Ammonia compressor. With in the quotation of the first supplier mentioning “that the his screw compressor is designed to provide 90.8 TR of refrigeration at 30 °F suction, and 90 °F discharge”. The second supplier mentioned his compressor is “100 HP screw compressor 74 Tons @ + 12 °F suction and 90 °F condensing”
My questions:
1-Are they comparing apple with apple?
2-How can we compare and know with different suction temperatures?
3-What does the change in suction temperatures effect?
And is there some thing else I have to know? and is there any trick with that?
Thanks in advance.
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