CleanaWater First Flush Diversion | ...

CleanaWater - First Flush Diversion | CleanaWater

Supplier: CleanaWater

First Flush Diversion | CleanaWater

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A first flush system – also called a diversion system or diversion valve – diverts water from a contaminated surface like an unroofed wash-down bay to another source of discharge.

Redirects dirty runoff to treatment

Receive 1-3 days from order

The first pass of rainwater over a roof clears away sediment, oils, and other contaminants. Typically, after 10mm of rain falls on a contaminated surface, this surface is deemed 'flushed'.

Water that has been flushed off a roof needs to be treated before it reenters stormwater systems.

Divert rainwater to stormwater

Cleanawater's first flush diversion systems are ideal for uncovered wash down areas over 20 square metres.

First flush diverters will help ensure wash water adheres to water authority standards – so you avoid costly fines and shutdowns. Durable, compact and easily maintained, first flush diverters will help keep your operation water authority-compliant for 20+ years.

How do flush diversion systems work?

Flush diversion systems are fairly complex. Here's how they work in a nutshell:

Rain begins to fall on a facility and is measured with a rain gauge.
Rainwater is diverted to a wastewater treatment system until the limit of 10mm is reached.
The diverter is then shut off, allowing excess rainwater to overflow in stormwater systems.
If programmed, the diverter can reactivate for insufficient rainfall, or if a wash gun is activated.

Uses and applications

Wash down bays
Workshops
Re-fuelling areas
Construction sites
Transformer bunds
AQIS facilities
Hire equipment branches

Benefits of Cleanawater first flush diversion systems

Minimal excavation required
Totally automated
Low-cost
Eliminate need for roof over wash bay
Configurable for all sizes of wash pad
Alarm bolt-ons available
Ideal for heavy machinery wash pads
Hassle-free after-sales maintenance programs
No consumables required
Life expectancy of 20+ years

Cleanawater's first flush diversion systems are 100% automated. With minimal footprint, they're programmed in-house for wash pads of all sizes.

Ideal for heavy machinery wash pads that can't be roofed, our systems are coupled with oil water separators for complete hydrocarbon management. And we can supply them with optional hydrocarbon spillage alarms to ensure zero stormwater contamination.

Our first flush diversion systems require no consumables. And we can schedule maintenance programs to suit your calendar. It means hassle-free after-sales support. We will also ensure your first flush diverter has a product life expectancy of 20+ years.

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