Johnson Screens
Triton® Underdrain Systems
Triton® underdrain systems are designed specifically for optimized collection and distribution with direct retention of the filtering media.
Our underdrain systems are made of Vee-Wire® filtering media support profiles that offer fine slots to suit the selected filter media specifications and U-shaped perforated supports to allow flow control for both air and water.
- The underdrain systems are made of Vee-Wire® filtering media support profiles that offer fine slots to suit the selected filter media specifications and U-shaped perforated supports to allow flow control for both air and water.
- The scalloped-shaped elements collect the filtered effluent and discharge it into a common flume, which in turn, routes the water out of the filter.
- During backwash mode, the flow is reversed and air & water enter the flume and are directed into the underdrain.
- Unlike conventional nozzle systems that require an intermediate layer of gravel, Triton® underdrain systems retain the media directly, eliminating potential problem with gravel.
- Plug-free and low headloss performance; lower energy consumption
- Improved backwash effectiveness, lower plant losses
- Better cleaning of filter media, longer filter runs
- Curved scallop design increased filter capacity
- No grouting required, faster and easier installation
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