Preventive Maintenance Guidebook
18. Reciprocating Air Compressors 15 AVERAGE USEFUL SYSTEMS LIFE YEARS 19. Package Chillers 7 a. Reciprocating 20 b. Centrifugal 20 c. Absorption 30 d. Screw 20 e. Scroll 15 20. Cooling Towers a. Galvanized or Coated Steel 18 b. Wood 20 c. Ceramic 35 d. Fiberglass 35 e. Stainless Steel 25 f. Fill Media 15 21. Condensers a. Air-Cooled 20 b.
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