Valve for variable-frequency drive controlled submersible pumps

Don Horne July 6, 2015

Flomatic has introduced a new pump check valve designed for use with variable-frequency drive (VFD) controlled submersible pumps. Standard check valves will “chatter” and be noisy when a VFD goes to low flow conditions, causing noise, premature wear and eventual failure. The Model 80E VFD and 100E VFD valve is designed to minimize flow losses and hydraulic shocks in the pumping system. It features an unleaded alloy body available in sizes 1", 2", 3" and 4" threaded female NPT connection. An exclusive guided poppet system, stainless steel in 2" thru 4", ensures that the valve automatically adjusts noiselessly from high to very low flow rates.