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Thread: O-rings
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28-10-2014, 01:24 AM #1
O-rings
Hi,
This is my first thread on here although I have been a member for a few years.
I work for a company in Australia that services mechanical seals. I deal with all makes of compressors from Grasso, Mycom, Stal and Howden to name a few.
Over the years we have experimented with a few different o-ring materials. We generally use neoprene, super neoprene from Parker to be exact. We still find the o-rings take set and is the main cause of premature failure of the seal.
We find Grasso compressors to be the most problematic. Recently, one of our clients had 2 failures within 24 hours! Anhydrous Ammonia and Suniso mineral oil were being used.
I would like to get peoples opinions and experiences with o-ring materials.
Also is there known issues with Grasso compressors that affect the performance and life of the seals? Could there be a reason they run hot?
Thanks in advance.
Dean.