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Thread: PAG46 or SEZ32
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02-04-2010, 07:52 AM #1
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PAG46 or SEZ32
Charge an auto compressor with SEZ32 (Polyol Esters-POE) oil instead of PAG46 (Polyalkylene Glycols-PAG) can create problems ?
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02-04-2010, 04:56 PM #2
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Re: PAG46 or SEZ32
What is the refrigerant being used?
Brian - Newton Abbot, Devon, UK
Retired March 2015
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03-04-2010, 08:27 AM #3
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Re: PAG46 or SEZ32
It's an automotive air conditioning compressor and use R134A
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05-04-2010, 06:58 PM #4
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Re: PAG46 or SEZ32
I run ester oil in my Automotive Applications using the Sanden 508 series compressors with No issues...
its especially nice for a retrofit where you can not get a complete 100% flush of oil out of the system unless you were to completely disassemble toe customers dash panel, etc..
whereas PAG would cause issues if left with older mineral oils....
I will say that POE is more moisture prone than PAG and often automotive shops dont do a proper vac-down.. (they use air-sourced Vac pumps and only leave them on for 5-10 minutes)...
-Christopher
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06-04-2010, 04:06 AM #5
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Re: PAG46 or SEZ32
to my knowledge sanden has been manufacturing compressors with pag oil for a few years at least.something to do with tighter machine tolerances and also under the impression that it is more hydroscopic than our usual oils.
mmm to beer or not to beer...........lets drink breakfast
