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Ping pong ball delivers clean rainwater- Reverse Flow
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Ping pong ball delivers clean rainwater- Reverse Flow

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Ping pong ball delivers clean rainwater- Reverse Flow …

Ping pong ball delivers clean rainwater- Reverse Flow

Published in: Design, Technology, Business
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  • 1. HOW SafeRain WORKS PO BOX 298 BLACKBURN VIC 3130 Ph/Fax (03) 9894 3302Pat. No. 676 709 RISER TO DRAIN SafeRain REVERSE FLOW DIVERSION VALVE TO TANK TO TANK RISER RISER POLLUTED WATER TO DRAIN VALVE CLOSEDFig. 1: When rain starts, the stagnant water is Fig 2. After the polluted water is dumped, the valvedumped from the base of the SafeRain valve. shuts automatically. Clean water is then diverted to the tank. TO TANK TO TANK RISER RISERFig. 3: When the rain stops SafeRain can remain Fig. 4: SafeRain will drain completely resetting theclosed for approximately 24 hours. Any further rain unit automatically for the next rainfall.during this time goes to the tank. TECHNICAL NOTESTypically the unit closes at flow rates between 10 litres/min and 20 litres/min adjustable. Any small debris left behind inFig. 4 is flushed out with the next rain. Large leaves, sticks etc are caught in a detachable screen accessible by thescrew access.The above unit is available in both 90 and 100mm sizes. Once a SafeRain is fitted, polluted water diversion of between5-1,000 litres is possible depending on setting.

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