UPSIDE-DOWN MICRO-EMITTERS HANDBOOK
31
MICRO-SPRINKLERS/EMITTERS ASSORTMENT
CoolNet Pro™
Description
A very gentle mister: Droplet size: 65 microns at a 4.0 bar working pressure.
Applications
The CoolNet Pro™ mister provides a perfect solution for cooling, rooting and increasing humidity.
(see details and installation recommendations for each application on page 34).
Three different configurations
The most popular configuration,
used for cooling, rooting and
increasing humidity.
Used primarily for cooling,
when installed between crop
rows (particularly when the
crop climbs to the height of
the greenhouse) so that the
distribution pipe is parallel to and
above the space between two
crop rows.
Used primarily for cooling, may
be mounted in many ways and
in any direction. One of the
most common uses is when
placed in front of a fan (in the air
stream), the moving air collects
the humidity to improve cooling.
This option is useful for animals
(cows, poultry, pigs, etc.) and
in venues where people gather
(restaurants, exhibitions, etc.)
The moist air contributes much
to a more pleasant ambiance
(without getting wet).
Cross, accommodating up to
4 active nozzles
"T", accommodating
2 active nozzles
Single body, with one nozzle,
can be mounted in any direction
While such systems exist on the market, they require a working pressures of more than 70 bar (this is
not a typo, it is the actual pressure required for those emitters to perform their function). Consequently,
the entire transportation and distribution system is constructed of metal piping designed to withstand
such a pressure and of course, the nozzles are made of metal as well. These very small nozzles are prone
to clogging when water with a relatively high content of salts/carbonates (see Netafim™ Drip Irrigation
System Maintenance Handbook, page 40) is used.
Such systems are used primarily in product warehouses (cotton, tobacco, potatoes, etc.) where it is
necessary to increase humidity without wetting the product. They are rarely used in greenhouses. It
should be remembered that such a system, apart from the relatively high cost of the transportation and
distribution components, should also include a compressor that increases water pressure and, in many
cases, a supporting system that will supply the energy to the compressor.
Necessary terms
Fog:
A term in hydraulics/physics indicating droplets of 5-10 microns.
Fogger:
The name of the device that diffuses such droplets into the
atmosphere.
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