Fiberglass cones for oxygen are used to enter oxygen into water under pressure . These devices are installed into RAS system in aquaculture projects and are available in 3 pressure versions : 1.5 bar , 2 bars and 4 bars Their conical shape makes the saturation efficiency very high, up to 95%. Water and oxygen enter at the top of the cone at relatively high speed and stream of water pushes the oxygen bubbles down until they completely dissolve . 25mg/liter of dissolved oxygen can be reached with 1barG water pressure. If higher water pressure is used, water gets supersaturated with oxygen and it should be mixed with main stream to prevent fish intoxication with oxygen.
GRP OXYGEN CONE
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