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17-03-2008, 11:50 AM #11
Re: Valve Reed of Reciprocating Compressors
Found this on the CMP site
http://www.cmpcorp.com/files/techman.pdf
Has a little bit at the start about compressor failure, one thing it states is that high discharge temperatures will discolour the valve plate and the discolouring will not rub off.
I once turned some reed valves over due to a wear ring on them to get a compressor pumping again, they lasted about a week or so before breaking. I put this down to them now being bent in the opposite direction. Are they being put back in the same way they were?
I once saw the suction valve retaining pin of a copeland compressor fired through the valve plate, leaving only a shiny mark on the cylinderhead. Its amazing what hydraulic pressure can develope in compressors pumping liquid.
Are the discharge valve retaining plates/fingers ok and not bent up more than they should be and thus allowing more flex in the valve reeds than normal?
Jon
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