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Draft Technologies

Draft Technologies. PHIL KEES. What you will learn. Storage Techniques Proper pouring of Draft Beer Draft equipment and systems Cleaning of draft equipment and lines Glassware cleaning. Text. Draught Beer Quality Manual; Brewers Association, Second Edition

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Draft Technologies

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  1. Draft Technologies PHIL KEES

  2. What you will learn • Storage Techniques • Proper pouring of Draft Beer • Draft equipment and systems • Cleaning of draft equipment and lines • Glassware cleaning

  3. Text Draught Beer Quality Manual; Brewers Association, Second Edition Prepared by the Technical Committee of the Brewers Association

  4. Draft Systems From Keg To Glass

  5. The Anatomy Of A Keg

  6. Sankey Keg Couplers

  7. Coupler Parts and Configurations

  8. Draft Equipment and System Configurations • 3 general types • Temporary Systems • Picnic taps • Jockey box • Stainless Steel coils • Plate chiller

  9. Draft Equipment and System Configurations Picnic Taps & Party Pumps

  10. Draft Equipment and System Configurations Jockey Box Jockey Pumpkin Jockey Van

  11. Draft Equipment and System Configurations 2 Types of Jockey Box Configurations >Coil Chiller >Plate Chiller

  12. Draft Equipment and System Configurations • Direct Draw Systems • Kegerator • Towers • Pass through • Surface mount drip tray • Walk-in cooler • Faucet • Wall mount drip tray • Shadow box • Forced air • Glycol

  13. Draft Equipment and System Configurations Short Draw, Direct Draw and Kegerator

  14. Draft Equipment and System Configurations Walk-in Cooler

  15. Draft Equipment and System Configurations • Long Draw Systems • Components • Barrier Tubing • Comes in bundles • Glass smooth • Inhibits mineral stone • Inhibits microbial growth • Only barrier tubing is approved for long-draw systems • Vinyl and polyethylene tubing are NEVER used

  16. Draft Equipment and System Configurations • Foam on Beer • Senses foam and stops the flow of beer through lines • Reduces loss • Located on wall or in a coupler

  17. Draft Equipment and System Configurations Foam on Beer (FOB) Detector

  18. Draft Equipment and System Configurations • Beer Pumps • Draws beer from keg or SV • In systems where gas pressure exceeds 35-40 psi • In very long run systems • In high vertical lift systems • Powered by • High pressure gas • Compressed air • Must be well cleaned and have diverter or back flush fitting • Use quick connect/push fittings

  19. Draft Equipment and System Configurations Beer Pump

  20. Gas • Carbon Dioxide (CO2) • Primary gas used to dispense draft beer • Must be food grade • Nitrogen Gas (N2) • Blended with CO2 • Aids in delivery in systems above CO2 equilibrium • Not easily absorbed by beer • Will not over carbonate beer • Blended gas bottles • Vendor mixed • 70% CO2 / 30% N2 • 25-30% CO2 / 70-75% N2

  21. Cooling • Forced air long draw • Glycol-cooled long draw • Longer than 25 feet

  22. Draft Equipment and System Configurations Beer Line Bundle with Glycol

  23. Storage and Carbonation • Keys to maintaining a keg’s carbonation • CO2 percentage • Applied pressure • Keg temperature • Beer’s particular carbonation level (pg 38 chart)

  24. Dispense Goals • Balanced draught system delivers clear-pouring beer • Rate of 2 ounces per second • Rate of 8 seconds per pint • Rate of 1 minute per gallon

  25. Preparation to Pour • Proper storage temperature (34-38 °F) • Above 38 °F can cause dispensing problems • Pg 45 • Chart 1 time to 38 °F • Chart 2 time to increase temperature • Linking in a series (pg 45) • Saves time for high volume beers • Remove Thomas valve

  26. Draft Equipment and System Configurations Kegs linked in a series

  27. Serving Draft Beer • Store between 34-38 °F • Serve between 38-44 °F • Long draw glycol 27-32 °F • Balanced draw system (pressure = resistance) • Normal flow rate of 2 ounces per second

  28. Glassware cleaning • Manual Cleaning 3 tub sink • Dedicated automatic glass washers • Air dry glassware • Do not dry or store on towels, rubber drain pad or other smooth surface • Can impart odors due to slow drying • Testing for clean glass • Sheeting test • Salt test • Lacing test

  29. Draft Equipment and System Configurations Glassware

  30. Draft Equipment and System Configurations Glassware

  31. Draft Equipment and System Configurations Glassware

  32. Glassware cleaning • Glassware temperature • Room temperature • Can cause high foaming for higher carbonated beers • Chilled for lagers • Dry glass well before chilling • Water mist devices for pre-wetting • Removes dust • Allows for better aromatics

  33. Pouring beer • Hold glass at 45° angle, open faucet fully • Gradually tilt glass upright once beer has reached about halfway point of glass • Pour beer straight down into the glass, working the glass to form a one-inch collar of foam • Close faucet quickly to avoid wasteful overflow

  34. Draught Line Cleaning Processes

  35. Draught System Cleaning • ALWAYS wear proper Personal Protective Equipment (PPE)

  36. Draught System Cleaning • Perform draught line cleaning at a minimum every 2 weeks • Documentation posted clearly of schedule and performance • Push beer from lines with cold water • Clean lines with caustic solution (2%) for routine line cleaning • Maintain temperature of 80-110 °F for the duration of cleaning cycle • Electric pump usage should circulate solution for 15 minutes at 2 gallons per minute • Static or pressure pot, leave solution standing in lines no less than 20 minutes • Disassemble, service and hand clean faucets; hand clean couplers • After cleaning, flush lines with cold water until pH matches tap water and no visible debris

  37. Draught System Cleaning • Quarterly Acid cleaning • Disassemble, service and hand clean all FOB-stop devices (beer savers, foam detectors) • Disassemble, service and hand clean all couplers • Push beer or caustic cleaner from lines with cold water • Clean lines with acid line cleaner mixed to manufacturers guidelines at 80-110 °F • Circulate or let stand, depending on use of pump or static cleaning • Flush lines with cold water until pH matches tap water and no visible debris

  38. Draft Equipment and System Configurations Beer Line Cleaning Pump Beer Line Cleaning

  39. Draught beer line replacement • Vinyl jumpers and vinyl direct draw lines should be replaced every year • Long-draw trunk lines should be replaced: • When the system is 10 years or older • When flavor changes are imparted in a beer’s draught line from adjacent draught line • When any line chronically induces flavor changes in beer

  40. Troubleshooting • Pages 61-65

  41. QUESTIONS?

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