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Thread: O Ring on Stal comp
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01-09-2006, 08:55 AM #1
O Ring on Stal comp
Hi Guys
I am replacing a shaft seal set on a Stal comp with a 75 hp Storch motor running on NH3.
In the shaft seal set I have two O rings the same size ( only one required) One of the O rings is marked "FPM".
I believe that this "FPM" indicated the type of refrigerant that it is sutibale for - though I am not 100% certain.
Can anyone give guidance as to which one to use on NH3.
Thanks.
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02-09-2006, 01:36 PM #2
Re: O Ring on Stal comp
I will answer my own question so that the info is here if required in the future.
The FPM O rings are for later applications i.e. heat pumps etc.
Paula