D-32 Foot Valves-High Flow
The High Flow System is designed to be used in 2 inch wells or larger where a high pumping rate is desired or where very deep wells are encountered. This system is also an excellent well development tool in 2 inch piezometers.
High Flow Foot Valves D32
Consisting of a High Flow valve, either the 1.25" OD, acetal plastic D-32 or the stainless steel SS-32 and a length of 1" OD high density polyethylene (HDPE) tubing, the High Flow system can provide lift of up to 250-300 feet (90m) in 2 inch (50mm) monitoring wells and flow rates of up to 4 gallons per minute (15 lpm).
Recommended Devices
The increased weight of the High Flow System makes manual operation difficult beyond 60 feet and use of the Waterra Hydrolift II or PowerPump 2 is strongly recommended.
Well Development
This system can also be adapted for well development by installing a SBD-25 Surge Block to the D-32 footvalve. This device causes the pump to simultaneously surge and pump, removing fine material from the well and well screen.
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