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CASCADE NOZZLE
Fountain Nozzles
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The Cascade Nozzle is the single most popular effect used in commercial and architectural fountains through modem times. They can be used in a wide variety of ways to achieve spectacular effect. Whatever your plan or inspiration calls for, the Cascade can probably fill the bill. A water entraining venturi type nozzle, the Cascade augments its spout effect by adding water volume fro the pool. In doing so, a very heavy, powerful effect is achieved with little aeration.
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TECHNICAL DESCRIPTION : |
- All Cascade nozzles are water level dependent venturi types. The surrounding pool water is drawn by venturi effect through the bottom of the nozzle.
- These nozzles can be submerged in water, but maximum efficiency is achieved if the water level is held to the dimensions given.
- If placed in fountains of more than one water level, check valves should be installed inline with the nozzle
- The discharge orifice of the Cascade nozzle is actually underwater, and if installed in an upper pool of multi-level fountains, can cause the water of the upper level to drain back through the display
- This type of nozzle can set up a resonant wave action in certain pools
- If an undesired wave action occurs, it can be eliminated by adding a copper surge tube around the nozzle locations
- This is a copper tube, about 6" in diameter, mounted from water level to about 1" above the pool floor.
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| Cascade nozzles are used widely in architectural fountains, due to their high visibility and good wind resistance, exhibiting a very "hard" visual and audible impact suitable for large pools and outdoor applications where noise masking water effects are desired. The Cascade is water level dependent, and requires a controlled water level. In addition, opaque water walls are easily achieved when several nozzles are placed in close proximity.
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