It is very unlikely that high water pressure will give you cause for concern. Hydro’s chemical dispensing units are factored up to six bars of pressure, which is effectively engineered beyond the scope of what is to be found in water supplies in Europe, the US or the Middle East. In any case, if a pressure that is as relatively extreme as this is put through a system, other problems would become a priority well before chemical dispensing merited attention.
“Without the
means to regulate pressure you
will have to deal with the issue of inconsistent dilution rates.”
Hydro units. The AccuPro provides a distinct advantage in comparison to what is available elsewhere in the dispenser market; it maintains the water pressure at two bars – but with the clear proviso that the pressure is above this in the first place.
You will know if you have low pressure from everyday observations: a good indicator is a machine that will only fill at a certain speed. Attempting to install a chemical dispenser with an operational requirement of at least two bars of pressure will simply confirm this if you are in any doubt. If a laundry is situated on the top floor of a building this can also contribute to pressure problems.
There are a number of solutions. Installing a booster system with a tank is one highly effective remedy. Another key remedy relies on the skill of the installer and involves altering the timing of the machines. For example, if you have five industrial washing machines running at the same time, this simultaneous demand for water can result in a drop in pressure.
www.tomorrowscleaning.com
THE BEST BAR NONE If you have low pressure with an EvoClean dispensing unit, any financial implications can be factored into the total cost of ownership. This will still outweigh having a unit with a peristaltic pump over the same number of years. To ensure consistent dispensing from the EvoClean, the incoming water pressure must be at least 1.5 bars for a low flow unit and 2 bars for a high flow unit. The AccuPro keeps the water pressure at 2 bars if the facility’s pressure is above this. The AccuPro cannot increase the existing water pressure so as a consequence if the pressure is too low, the EvoClean won't operate correctly.
EvoClean incorporates the latest venturis that guarantee flow consistency in a low pressure environment when these initial conditions are satisfied. This ensures exactly the right amount of chemicals are diluted every time, regardless. Once installed, there is no need for routine maintenance or tube
replacement and laundry is washed to the highest standard consistently over the product’s life-cycle.
Having guaranteed a consistent flow of water and implemented the right chemical compatibility, there is no engineering basis for this unit to fail as the EvoClean effectively has no moving parts.
HARD CHOICES If you aren’t using a water softener in a hard water area, any potential issues with the performance of your chemical dispensers will be overshadowed by the tell-tale scale deposits in your washing machines and in other equipment. Attempting to clean out these deposits without sufficient knowledge and expertise can be a risk – find out some tips on cleaning dispensers in hard water areas HERE.
Another challenge laundry facilities may face is the overuse of water. Without a proper chemical dispensing system in place, the impact to these other cost drivers can be significant. Most facilities have the potential to conserve and recycle more resources but don’t have the proper equipment installed to help manage and reduce use. Chemical dispensing systems are able to help your commitment to the environment by reducing rewash rates; and by measuring water and chemical consumed in the dosing process. A green laundry program is an attractive option. Green products and services have a very specific appeal to customers and send a strong sustainable message.
It is crucial that you control the long-term costs of your laundry when margins are tight. All laundry environments; whether they are large or small, industrial or on-premise, can make gains in efficiency if water pressure and other common water issues are placed firmly under control in the chemical dispensing process. These efficiencies are also substantially reflected financially; while delivering positive kudos to your reputation through quality assurance and a reduction in your impact on the environment.
www.hydrosystemseurope.com CHEMICALS & DOSING EQUIPMENT | 35
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