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Spindrifter Aerating Bottom Drain 4"
Price:
$389.99
Retail: $537.25
Savings: $147.26
Spindrifter Aerated Bottom Drain 4"
Free Shipping + $5.00 Koi Cash Credit
Just $389.99
Free Shipping + $5.00 Koi Cash Credit
Just $389.99
Spindrifter Aerated Bottom Drains are available to suit 4" PVC Pipe or 110mm Pressure and Soil Pipe; they are ideal for feeding filter systems. The Spindrifter rubber aerator on top of the drain provides a constant supply of air to the bottom of the pond for maximum oxygen enrichment.
- Specially Manufactured Dome
- Recessed Air Diffuser
- Socket Solvent Welded
- Triple Run Welds
- 4" Water Outlet
- 1" Air Inlet
- Fish Safe
- 4,500 Slits in Diffuser
The membrane and backing plate of the Spindrifter bottom drain fit into a recess in the specially manufactured dome (provided). The recess in the dome prevents the membrane from becoming detached. The complete assembly is secured to the bottom drain by means of a stem, which also provides the air inlet. Most water pipe sizes can be accommodated. The air inlet is via a nickel plated connector.
All constructional materials use PVC, self tapping screws stainless. All welds triple run, suitable for concrete/fiberglass pond or liner.
The Spindrifter utilize the TAS (Thatcher Advisory Services) aerator system that has been proved in advanced aerobic waste water treatment over the last five years. It has now been specially adapted to serve the needs of the fish enthusiast and when used in conjunction with balanced feed regimes, can promote rapid growth in specimen fish.
Operation:
Each aerator consists essentially of a rubber membrane and backing plate. The EDPM rubber membrane has a diameter of (10 in). It clips over a Polypropylene backing plate where it is retained and sealed by an integrally molded 'O' ring.
When air is initially applied to the membrane no bubbles are observed, but the membrane is seen to inflate slightly. As this inflation increases, bubbles can be seen to exit the 4500 slits of graduated width (Patents Pending). The slits are positioned in concentric circles ensuring an even distribution of bubbles over the surface of the membrane. Material stuck or resting on the surface of the membrane tends to be dislodged by the stretching of the surface of the aerator membrane when it is inflated. This stretching also discourages the attachment of microbiological growth.
When air is shut off, the aerator membrane deflates causing the slits to be closed before all the air is exhausted from the aerator. This prevents the backflow of water, clogging and internal fouling. A centrally molded plug additionally seals the air supply hole.
Note:
The aerators can be retro fitted to existing bottom drains
