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Posted by mmarch on November 11, 2005 at 22:28:01:
I recently took over a facility that has many Spirax Sarco control vlvs. Some of them leak in the vlv. bonnet where the plug seals against the seat. I cannot see any imperfections. Any ideas on how to deal with this? I was planning on getting some lapping compound and rub both seat & plug by hand enough to a polish. Any ideas???