Red Valve Tideflex TF-1 Backflow Prevention Check Valve
Tideflex TF-1 check valves, available in 4" to 102” diameters, are designed for in-structure and end-of-pipe installations for reliable backflow prevention. All-elastomer duck-bill design in pure gum rubber, Neoprene, Hypalon, Chlorobutyl, Buna-N, EPDM, or Viton eliminates costyle backflow in a broad range of media, even with entrapped solids or debris.
Tideflex TF-1 check valve is ideal for manhole applications, such as junction boxes, diversion chambers and interceptors, where the invert of the pipe is close to the floor of the vault, and can be used to retrofit existing structures like failed flapgates. These vaults are designed to maximize the available gravity head, and the invert pipe is as close to the floor as possible, without breaking up the concrete floor to provide bottom clearance. Their flat bottom and flared top let you install the valve at a lower overall elevation than other configurations, with less bottom clearance required. This is especially important in low-lying areas where maintaining as much driving head is critical, or where silt, sand and debris tend to collect beneath the valve.
The result of 25+ years of experience, research and development, and testing of elastomeric duckbill check valves, the inherent geometry and construction of the TF-1 yields a more durable check valve with greater strength to support the weight of the valve and the weight of the water discharging from it. In large diameter valves, this weight can amount to several tons.
Install the TF-1 valve by slipping over the end of an exposed piece of pipe and fastening it with compression clamps. The inside diameter of the TF-1’s cuff is fabricated to exactly match the outside diameter of the pipe. The TF-1 can be installed on the O.D. of elliptical pipe or arch pipes. A thimble plate option allows the slip-on TF-1 to be installed directly to a headwall or seawall. The Saddle Support Technology (SST) can be used with the TF-1 for higher backpressure ratings or to lower head loss while maintaining backpressure ratings.
- Available in 4" to 102” diameters
- Reliable backflow prevention with minimal bottom clearance required
- 100% elastomer construction (pure gum rubber, Neoprene, Hypalon, Chlorobutyl, Buna-N, EPDM, or Viton) eliminates maintenance
- Will not corrode, warp or freeze open or shut
- 1” to 2” cracking pressure, low headloss
- Curved bill enhances sealing around debris
- Custom built for each application based on pressure and flow conditions
| Wetted Materials | Elastomer |
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