AGE Down-Hole Re-Injection Valve (ASR)
Aquifer storage and recovery (ASR) is a method of enhancing water recharge to underground aquifers by gravity feeding or pumping excess water into the aquifers for later use in times of peak demand.
ASR is a low-cost alternative to store water (compared to surface storages) and can minimise evaporative water loss. During recharging, the water in the column is controlled to prevent air from being entrained or trapped in the fluid flow and carried into the aquifer. Entrained air can adversely effect the recharge efforts, through air-fouling, bio-fouling and calcite formation, blocking the flow of water into the aquifer.
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The AGE Down-Hole Re-Injection Valve allows a well to be pumped and
water re-injected into the aquifer 
without the need to remove
equipment.
The re-injection process is controlled by means of an inline flow modulating valve which ensures the casing remains full of water at all times.
AGE Down-Hole Re-Injection Valves are designed and constructed from stainless steel materials for each individual application to ensure suitability.
