Red Valve Company and Tideflex Technologies

Solving your most demanding flow control applications—this has been the single driving force behind Red Valve Company and Tideflex Technologies since our founding in 1953. Today, we remain dedicated to customer needs with valve products and engineering services that set the standard for the toughest applications. Red Valve Company and Tideflex Technologies are the world’s largest manufacturer and supplier of pinch valves, slurry knife gate valves, annular seal pressure sensors, expansion joints, duckbill check valves, potable water mixing systems, aeration systems and effluent diffusers. We have become a preferred supplier for municipalities and industrial plants worldwide.


600 North Bell Ave.
Carnegie, PA 15106-0548
United States
Phone: 412.279.0044
Fax: 412.279.7878


Your Winning Move for Backflow Prevention
Preventing Backflow with Inline Check Valves

Industry News + Articles

View All

Polar Vortex Is No Challenge

The winter of 2013 and 2014 featured a “polar vortex”—a severe and sustained arctic blast that closed down businesses, schools, roads and airports across the country for...

Restraining the River

The Metropolitan Sewer District (MSD) of Greater Cincinnati had two combined sewer overflow (CSO) manholes at the Mill Creek Interceptor that became surcharged and...

Tideflex Appoints Product Specialist

Tideflex Technologies, a division of Red Valve Co. Inc., appointed Paul Handke as the Tideflex Mixing System (TMS) product manager.

Pass-Active Tideflex Mixing System Utilizes Recirculation Pump

The zero-maintenance passive Tideflex Mixing System (TMS) has been installed in over 3,000 water tanks, has been extensively CFD- and scale-modeled and has proven to...

Massachusetts City Installs Check Valves to Prevent Flooding

In 2006, the Merrimac River flooded into two residential areas in a Massachusetts city. Twenty-five homes were damaged during the incident. In the past, this city had...

Product Categories