86 www.parker.com/gsfe Condensate Management Product Selection Correct selection is critical for the operation of oil/water separators. Increased condensate flow through an oil/water separator reduces settlement time in the main tank, increases oil carryover to the carbon stage & reduces contact time with the carbon. The overall effect of incorrect sizing is poor outlet water quality, reduced carbon filter life and the potential for overflowing. Capacities shown in this catalogue assume installation in two of the world’s major climatic conditions. Should the oil/water separator be installed in conditions other than those shown, please contact your local Parker outlet or approved distributor/ agent for correct sizing. Oil Types To simplify the selection, lubricant classifications have been split into three bands depending upon their ability to separate within a static type oil/water separator. Band A: Turbine Oil Additive Free Oil Band B: Mineral Poly alpha olefins (PAO) Trimethylolpropane Ester (TMP) Pentaerythrityl Ester (PE) Band C: Diesters Triesters Polyoxyalkylene glycol (PAG) Inseparable using static separation techniques: Automatic transmission fluid (ATF) Drain Types The condensate should be removed from the compressed air system using a drainage method that does not cause emulsification of the condensate and is appropriate for the unit. Usual methods include : • Level Operated Electronic Drain • Float Drain • Timed Solenoid Drain* Parker recommends the use of the ED3000 Series range of condensate drains. Manual and Thermodynamic Disc trap drains must not be used with the ES2000 Series oil/water separators. *If the use of timed solenoid drains is unavoidable, steps must be taken to reduce the air loss as this has an emulsifying effect on the condensate. Refrigeration Dryers A refrigeration dryer installed in a compressed air system can significantly increase the condensate produced. The oil/ water separator must be sized appropriately to treat the extra condensate produced. Flow capacities within this literature are shown both with and without a refrigeration dryer installed. Important Note: Additives blended into the lubricants to prevent bacterial growth, rusting, corrosion, and to promote emulsification, such as detergents etc., can have an impact on the separating process. Static oil/water separators are unable to separate stable emulsions or oils that are miscible in water. Additionally, these units will not totally separate lubricants containing: Emulsifying Agents; Glycol additives; or Polyglycol based coolants. ES2000 Series Oil/Water Separators
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