| LEGEND : |  Preferred
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 Non-Preferred
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 Certain Sizes Only
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| Product | Stainless | 3CR12 | Mild Steel | Cast Iron | Aluminium | Bronze | P.V.C. |
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| Sluice Gate (Penstock) |
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| Channel Gate |
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| Handstops & Stoplogs |
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| Twistlock gates |
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| Flap gates |
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| Telescopic bellmouths |
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| Sludge drain valves |
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| Pedestals |
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| Support bracket |
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| Wall brackets |
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| Ground water relief valves |
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| Spindles |
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| Couplings |
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| Stop Collars |
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| Spindle guides |
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| Lifting Nuts |
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| Handwheels |
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| Cover tubes |
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| Foundation bolts & fasteners |
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| Product | Neoprene | Thermoplastic / Metal | Metal / Metal |
|---|---|---|---|
| Seals |
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| Material | Protection Options |
| Stainless steel | Pickled and passivated |
| Corrosion-resistant steel (3CR12) | |
| Mild steel | Fusion bonded epoxy coated or |
| Cast iron | Primed and painted or |
| Galvanised | |
| Aluminium | Anodised |