The TD Series product line features expanding bellows operation and is designed for high flux, low flow applications.  It is also useful as a floating pump intake, or as a tailwater controlled backflow preventer.  Click here to see a video demonstration of a TD Series device.

• PVC or powder coated aluminum construction
• ANSI flange connections
• Self skimming
• High grade steel reinforced polyurethane bellows
• Operating heads from as low as 3"
• Bellows sizes available in 4", 5", 6", 7", 13.5" and 14" inside diameter
• Stainless steel or aluminum orifice plates custom sized for your project
• Optional guide rod system available
• Download our TD Series design tools here.
• Approved for use by the Washington State Department of Transportation, and many other jurisdictions.