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keg, holding the disinfectant inside of keg for 30 min and then pour it out. Use drinking
water to flush in side of the keg repeatedly again and pour the water out. Leave the coffee
keg in air to dry for next use.
Flushing valve nozzle, coffee strainer and disconnector:
Remove the valve nozzle from the tap, soak it in (b) multi-function detergent solution
for 10 min and flush it with drinking water. Soak it in (c) KAY
for another 30 min and flush it with drinking water.
Remove the SST filter mesh from coffee strainer, soaking it in (b) multi-function
detergent solution for 10 min and flush it with drinking water. Holding it in (c) KAY
disinfectant (100ppm) for 30 min and flush it with drinking water.
Remove the red disconnector from coffee keg, soak it in (b) multi-function detergent
solution for 10 min and flush it with drinking water. Soak it again in (c) KAY
disinfectant (100ppm) for 30 min and flush it with drinking water.
Washing and disinfection of piping system
The following method and equivalent method could be used for disinfection of piping system.
Preparation:
(a) Multi-function detergent base liquid: 750ml water + 1 packet (59ml) of KAY® QSR HD Multi-
Purpose Sink Detergent
(b) Multi-function detergent solution: 3L water + 100ml mother liquor
®
(c) KAY
disinfectant: 100 ppm (refer to instruction of Kay-5 sanitizer)
Step 1- flushing with detergent solution
Make sure gas inlet pressure is 60psig during disinfection process. Open the two taps to
drain out all the liquid in system until coffee keg is emptied and a large volume of gas
emits.
Fill an empty clean coffee keg with 9L (b) multi-function detergent solution, shake the
keg at least 10 times to ensure uniform contact of the detergent with the inner wall of keg.
Connect the keg to the system. Open the tap and use detergent solution to flush the pipes
until light blue fluid flow out of the system. About 2 L detergent solution is drained from
each tap. Then close the taps and holding the detergent inside the piping for 20 min.
Open the two taps to empty the pipes of the system, close the taps until coffee keg is
emptied and a large volume of gas emits.
Step 2 - flushing with drinking water:
© 2017, Cornelius Inc.
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®
disinfectant (100ppm)
®
®
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