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Topics of Interest
The pressure switches normally used to turn shop air compressors on and off today typically employ a sensing element that consists of a plunger or piston working against a compression spring. The...
Operators of equipment in the CPI and the offshore drilling industry are forced more and more to balance economy and ecology. No longer focusing on just investment costs, they now review in detail...
Situation: Ammonia offers refrigeration pump and compressor manufacturers an improved efficiency over Freon based systems. However, the thermodynamic behavior of ammonia is very different from Freon.
Centrifugal compressors in process gas service require shaft sealing to prevent the process gas from traveling down the shaft and escaping the compressor case into the atmosphere. Multistage,...
Overview As mentioned numerous times throughout this book, the running gap between the primary and mating gas seal rings is only a few microns, approximately 1/20th the diameter of a human hair.