Tideflex Technologies - a Division of Red Valve Company, Inc.
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Tideflex - Model Duckbill CTF - Series 35-1 -Flanged Check Valve
In some applications, a Slip-on Tideflex Duckbill Check Valve (TF-1) is not feasible because of an existing mating flange or wall thimble, or a flanged connection is preferred, or it is desired to mount the valve directly to a concrete wall. In these cases, the CTF - Series 35-1 Flanged Duckbill Check Valve is the solution.
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Series 35-1 Check Valves are manufactured similarly to the Tideflex® TF-1 Check Valve, with the addition of an integral elastomeric flange. The flange size drilling conforms to ASME Class 125/150# and is also available with DIN drillings and other standard or customized drilling patterns. All Series 35-1 Check Valves are furnished complete with retaining rings for installation.
- Reliable backflow prevention
- Minimal bottom clearance required
- 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 4" (100mm) to 72” (1800mm)
- Drilling patterns:
- ASME Class 125/150#
- DIN PN6, PN10, PN16
- Custom
- Retaining rings:
- Galvanized steel (standard)
- 304 Stainless Steel
- 316 Stainless Steel
- Special alloys available