An aeration sistemis only as good asthe fineness of its bubbles * * * * * * * * * * * *
System established since 1919, with many hundreds of plants installed throughout the world. Aeration tanks flexible in design up to 9 metres depth offering maximum use of available area. Fine bubbles of 2 mm' diameter give high oxygen transfer efficiency. Un iform mixing . Simple construction in uPVC and non-co rrodible materials . Diffusers tructible.
virtually
Drainage of necessa ry .
indes-
tanks
rarely
Maintenance minimal. Civil construction and costs reduc ed.
simplified
No surge flows on final tanks. Low noise values.
•
Automatic Dissolved Oxygen control systems available.
Please send for Brochu re No. FBDO 675
~ Hawker Siddeley
Engineering Pty. Limited
lncorporatodlnN.S.W.
Head Office : 262-284 Heidelberg Road , Fairfield , 3078. Branches : Sydney, Brisbane , Perth and Auckland (N.Z.) Hawker Siddeley Group supplies electrical and mechanical equipment with world-wide sales and service. Agents for : Hawker Siddeley Water Engineering Ltd . (Templewood Hawksley Activated Sludge)
2069HSE
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