Description

The Series TF-2 Duckbill Check Valve was the first duckbill check valve introduced by Tideflex^®. The TF-2 was developed based on a United States Environmental Protection Agency (EPA) grant in the 1980s to overcome excessive costs in maintenance and replacement of non-performing flapgates. The TF-2's flared top and bottom design has been enhanced by the Series TF-1 Duckbill Check Valve. The TF-1 features a flat bottom that requires minimal bottom clearance.

The TF-2 installs by slipping over the end of an exposed piece of pipe and is fastened with compression clamps. The inside diameter of the TF-2’s cuff is fabricated to exactly match the outside diameter of the pipe.

The TF-2 can also be installed on the O.D. of elliptical pipe and many arch pipes. Tideflex^® also offers a thimble plate option allowing the slip-on TF-2 to be installed directly to a headwall or seawall. 

Contact Red Valve with your needs to see how we can provide a solution.

Features

• Reliable backflow prevention
• 100% elastomer construction virtually eliminates maintenance
• Will not corrode, warp or freeze open or shut
• 1 to 2” cracking pressure, low head loss
• Curved bill enhances sealing around debris
• Custom built for each application based on pressure and flow conditions
• Available in diameters from 1/2 to 102” (12 to 2550mm)

Brochures

• Red Valve Condensed Catalog (pdf, 3 mb)
• Red Valve Line Card (pdf, 678 kb)®
•  Municipal Collection and Distribution Valve Selection Guide (pdf, 18.6 mb)
•  Wastewater Treatment Valve Selection Guide (pdf, 19.7 mb)

Cut Sheets

• Tideflex^® Series TF-2 Duckbill Check Valve Cut Sheet (pdf, 313 mb) 
• Tidefex^® Molded Series TF-2 Duckbill Check Valve Cut Sheet (pdf, 253 kb)
• Elastomer Characteristics Cut Sheet

IOMs

• Tidelex^® Series TF-2 Duckbill Check Valve IOM (pdf, 781 kb)