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Round Grate for ease of outlet connection. Rotate the WGPT to the direction of stormwater connection saving expensive 150mm fittings
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Round grate removes the difficulty of aligning square grates with building form and edges. The tray is tapered into the buoyant debris retention and pump out tube
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Apertures in the tray produce a rain effect into the sediment chamber which reduces the concentration of water flow thus providing for quicker separation of hydrocarbons (oil / kero etc) and water born sediment
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The tray does not retain silt, which can dry out and be reactivated by wind and blown out as. Over 30 - 200mm x 2mm radial slots in the tray produces a rain effect into the retention chamber thus reducing water current concentration and maximises silt separation and retention
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Venting by-pass provides a siphon break, is mozzie proofed with S/S mesh. This provides one position only for the tray so that best flow characteristics are maintained in the silt retention chamber
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300mm hydro-carbine retention zone
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Inverted cone shaped baffle that raises the point of high velocity water flow to the invert of the outlet
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Cleaning is simple, insert a vacuum hose into the central chamber of the tray.Hydrocarbons are drawn through vertical slots minimising loss to SW when the system refills with water
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150mm S/W o-ring joint connecter built in. accepts 150mm dwv
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Regular cleans preformed by removal of grate only
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Major cleans by removing grate and tray
