Over twenty years of operation, research, development and engineering have combined to make the Tideflex® TF-1 Check Valve today’s most reliable check valve. The bill is formed into a curve that returns to a closed position every time, achieving the tightest possible seal for backflow operations, particularly at low flow rates. The flat-bottomed design allows installation where the invert of the pipe is close to the floor. When you specify a TF-1 Check Valve, you are guaranteed a proven record of maintenance-free backflow prevention.
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