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Thread: Frick Premature Seal Failures
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05-05-2006, 04:15 PM #1
Frick Premature Seal Failures
We have a new account that has a Frick RWBII 100E R-22 that has experienced several seal failures. We were able to view the last seal. The mating surfaces were in good shape however the O- rings were stretched.
I think the seal was installed the first of 2006 and the drip rate was 0 and is now 10 drips per min.
Other data: R-22, suction 9 psi (.6 bar), head 142 psi (9.79 bar), discharge temp 147* (63.9C), oil separator temp 142* (61.1C), oil cooler in 146* (63.3C), oil cooler out 101* (38.3C).
Oil analysis good with Clavus 68 oil. No apparent vibration (no previous vibration analysis). Alignment status good.
This system has two compressors in parallel it was relocated from another plant I believe it was previously NH3 now R-22. No problem with other compressor. The problem compressor operates loaded to about 50% or less most of the time.
Any ideas?
Thanks Steve
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