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Product introduction:
Johnson Screens® have been developing passive screens since 1968. In the meantime, more than 4,000 passive intakes have been installed worldwide
Key Features
2、Easy cleaning – with a periodic blast of compressed air using our Hydroburst™ system
3、Non-plugging Vee-Wire® • Three standard configurations – drum, tee and half screens
4、Internal dual-flow modifier – provides low and even slot velocity (CFD modelling is available on demand)
5、Selection of materials – from 304 stainless steel for fresh
water to Super Duplex for sea_x0002_water; Z-alloy (CuNi) for repel_x0002_ling zebra mussel attachment and anti-bio fouling in fresh water
Hydroburst™ backwash system
1、Removes debris accumulated on the screen surface with a sudden blast of air stored in a receiver tank
2、Air is released all at once, not in a continuous flow
3、Manifold within intake bottom distributes the air efficiently and creates a scouring action
3 Types
1、Internal Dual Flow Modifier
2、Max-Flow™ Passive Intake
3、Half Intake Screens for Shallow Water
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