Many companies use rotary vane vacuum pumps in filling applications because of their low initial cost, small footprint, and ability to operate without water. However, due to the regular maintenance required on rotary vane pumps, their lifecycle costs far exceed those of liquid ring vacuum pumps.
Nash liquid ring vacuum pumps are oil-free, require little maintenance and are well-known for their reliability. They excel as the vacuum source in filling operations because liquid is an intrinsic part of the pump and any carryover from the filling system is easily handled with no reduction in performance or production.
Nash vacuum is used to evacuate the air from bottles just before they are filled with the desired
beverage. The benefits of applying vacuum are two-fold. First, it reduces the time required to fill the bottle, which increases throughput. The other reason vacuum is applied is to remove oxygen from the bottle, which could react with the beverage and compromise the taste and aroma of the drink.
Container Filling Sequence
The container filling sequence consists of the following steps:
The counter-pressure fillers process contains the following steps:
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