MeasurIT R5 Valve

 

FLARED DUCKBILL VALVE WITH BACK PLATE

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Key Features

  • Reliable backflow prevention

  • 100% elastomer construction eliminates maintenance

  • Will not corrode, warp or freeze open or shut

  • 1”-2” Cracking Pressure, Low Headloss

  • Curved Bill enhances sealing around debris

  • Custom built for each application based on pressure and flow conditions

  • Available in diameters from 1/2" (12mm) to 72” (1800mm)

The R5 is essentially a Tideflex TF-2 duckbill valve pre-attached to a back plate.

The R5 is delivered to site as a one-piece unit for ease of installation to a wall, whether a headwall, manhole wall, box culvert, quay wall etc. it makes no difference.

General Description

The TF-2 was the first duckbill check valve introduced by Red Valve Company. The TF-2 was developed based on a United States EPA grant in the 1980’s to overcome excessive costs in maintenance and replacement of non-performing flap valves. Hundreds of thousands of Tideflex valves have been installed since then providing reliable backflow prevention. The original Tideflex design, the TF-2, has a flare on the top and bottom of the valve. It has been superseded by the TF-1 as Red Valve's standard design, but remains available for customers who desire it for aesthetic reasons or space limitations. The TF-2 design has been enhanced by the TF-1, flat-bottom, Duckbill Check Valve. The TF-1 requires minimal bottom clearance and the inherent geometry and construction of the TF-1 yields a stronger, more durable check valve.

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 tyre. Tideflex valves 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 valves operate using line pressure and backpressure 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 maximizes 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 throughout 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 valves, as confirmed by the USEPA. With the development of the patented curved bill, sealing capabilities are even further improved because the curved bill is more flexible than the rest of the valve and therefore compresses more around solids.

For higher backpressure ratings or to lower headloss while maintaining backpressure ratings, the Saddle Support Technology (SST) can be used in conjunction with the Series TF-2.

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