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Pre-Cooling
Fixed Mist Lines, or Static Systems, utilize individual nozzles spaced along rigid stainless steel or semi-flexible nylon tubing. These highly adaptable systems incorporate junctions and branches to follow any layout, from rooftops to complex commercial structures. Manufactured at our Victorian factory, these pre-cooling systems are installed in outdoor areas to support air conditioner banks and condenser units that struggle in high heat. For large-scale projects like data centers and hospitals, we tailor each system during construction, engineering for specific airflow, temperature loads, and nozzle flow rates.
The core of the system is a 1000psi (70 bar) pump module selected to match the required water volume. Rather than spraying coils directly, the mist is designed to evaporate and cool the air immediately in front of the intakes, significantly lowering the temperature of the air drawn through the unit.
For pre-cooling, we utilize 3/8” “Quick Fit” stainless steel tubing for its uniformity, rigidity, and longevity in harsh conditions. While the nozzle sections are stainless, the supply lines from the pump can be run sing
flexible hydraulic hose or 3/8” and 1/2” nylon “Push Lock” systems.
Features
- Integrates with OZmist’s dosing modules, weather stations, cycle timers & motion sensors to control issues in line with operations or conditions.
- OZmist’s nozzles creates millions of tiny 5-10 micron droplets that atomise on release without condensation or drips.
- Nylon tubing comes in rolls and easily cut with appropriate hose cutters.
- Effective mist formula, a system running at 1000psi or 70bar delivering a fog of atomised mist from each nozzle.
- Scalable design, and controlled mist delivery. Pumps come in a variety of sizes to suit the number of nozzles they can run, with capacity for expansion etc.
Specifications
- Flow rates per nozzle are 0.3mm (110m/minute) 0.2mm (56ml/minute) or 0.15mm (36ml/minute)
- Smaller systems will use our CPM25 (1.4ltr) and CPM55 (3ltr) pumps. OZmist’s OZ range of pumps go from the OZ85 (5ltr) and continue up to the OZ320 or more. Single and Three Phase pumps are available in the larger sizes.
- OZmist holds all Push Lock components in stock in ⅜”, ½” sizes.
- Nylon tubing comes in rolls and easily cut with appropriate hose cutters.
- Stainless steel is ⅜” diameter with lengths pre cut at our factory. Sections have a notch grooved into each end, for a small 3mm grub screw to locate during installation.
Benefits
- Significantly lowers energy loads, operational costs and HVAC equipment life span.
- Automation to run efficiently with connections to thermostats, weather stations & timers.
- OZmist’s nozzle creates millions of tiny 10 micron droplets, low flow rate for such a high surface area & therefore so effective for controlling climates.
Frequently Asked Questions
Can I install the Static Tube to any surface?
We would recommend that our Static Tube be installed on solid material such as steel, masonry or timber beams using OZmist’s supplied P clips / saddles. We advise against fixing directly to thin tin sheeting or colourbond to avoid any vibration or humming noise. Fixing with cable ties is excellent and fast (i.e. to existing pipework or structure). 3mm stainless catenary wire is great to span lengths of sheds or between trusses, with the mist line cable tied to that.
What are the best ways to control and automate the pump operation?
OZmist has a number of options for automation including thermostats, cycle timers, weather stations (wind direction), humidistats & sensors etc to control tolerances and when pumps activate. Our team will discuss best way to manage this to suit your operations and requirements.
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