The Tideflex Series 35 in manufactured similarly to the Series TF-2, with the addition of an integral elastomeric flange. The 35 can be mounted to mating flanges or wall thimbles or directly to concrete walls.
The Tideflex Series 35 in manufactured similarly to the Series TF-2, with the addition of an integral elastomeric flange. The 35 can be mounted to mating flanges or wall thimbles or directly to concrete walls. The 35 design has been enhanced by the 35-1, flat-bottom, Duckbill Check Valve.
The 35-1 requires minimal bottom clearance and the inherent geometry and construction of the 35-1 yields a stronger, more durable check valve.
The 35 flange size drilling conforms to ANSI Class 125/150# and is also available with DIN drillings and other standard or customised drilling patterns. All Series 35-1 Duckbill Check Valves are furnished complete with retaining rings for installation.
The Tideflex Duckbill Check Valve is a revolutionary design for backflow prevention. Tideflex Valves are a one-piece rubber matrix of numerous natural and synthetic elastomers and ply reinforcement, similar in construction to a truck tire.
Tideflex are cost-effective because they do not need periodic maintenance or repair to keep them operational and they have a 30 year operational life span. Tideflex operate using line pressure and back pressure to open and close so no outside energy source is required.
The valve has an extremely low cracking pressure so the valve self-draining which eliminates standing water and maximises storage volume in the upstream pipe. Tideflex Valves have low headloss, they do not rust or corrode and are not affected by UV so performance and reliability is constant thru the life of the valve.
The flexibility of the Tideflex allows the valve to compress around trapped solids providing a much better seal than flap gates, as confirmed by the USEPA. With the development of the patented curved bill, sealing capabilities are even further improved because the curve bill is more flexible than the rest of the valve and therefore compress more around solids.
For higher back pressure ratings or to lower headloss while maintaining back pressure ratings, the Saddle Support Technology (SST) can be used in conjunction with the Series 35.
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