We have an oil injected screw compressor recovering heavy saturated gas off the top of a gas condensate stabilisation column. A PAG synthetic lube oil has been specified and with a discharge temperature of 100 deg C we have had no issues with dilution. However we do have a problem with wax in...
I2P,
A dual seal installed in a Plan 52 arrangement should have a pumping ring as part of the seal internals. This is usually a scroll or a paddle wheel that literally pumps the seal fluid. You should be able to see fluid movement in the return line sight glass. It will be obvious when the old...