Waterra SS-19 Stainless Steel Foot Valve – Standard Flow
The Waterra SS-19 Foot Valve is made of 316 Stainless Steel and has a 3/4 inch (19 mm) OD. It threads onto Waterra Standard Flow Tubing.
A Waterra SS-19 Foot Valve (316 Stainless Steel) threads onto Standard Flow Tubing for sampling narrow diameter piezometers.
The SS-19 Foot Valve is best used for narrow diameter wells as the Outside Diameter of the Valve is 19 mm (3/4 inch). It would fit nicely in a 1 inch (25.4 mm) ID well for instance.
The Waterra SS-19 Foot Valve is recommended when there is concern about chemical inertness or the the well ID is a bit tighter.
For 2 inch wells, we would normally recommend a D-25 Foot Valve which is an Acetal Thermoplastic (Delrin) alternative which also threads onto Waterra Standard Flow Tubing.
The standard system with an SS-19 Foot Valve can provide lifts of 150-200 feet. Flow rates can be as much as 1 gallon per minute.