Proco Products are leading check valve manufacturers designing and manufacturing a cost-effective mechanism to prevent the back flow of fluids and gases. There are various types of check valves available on the market, including ball and flap type check valves however, our rubber check valves are specifically designed to be durable and effective, reducing the likelihood of common maintenance problems. They are a fully passive device requiring neither maintenance nor any sources of outside power or manual assistance to operate.
The Series 700 ProFlex™ Rubber Check Valves from Proco Products, Inc. are specifically designed for use in sewage treatment plants, outfalls, and tidal operations. They’re a cost-effective solution for controlling back pressures, and are a fully passive flow device, requiring no maintenance, no outside power sources or manual assistance to operate.
The Series 700 ProFlex™ rubber check valves are recommended as direct replacements for ineffective, maintenance-ridden flap type check valves, which are commonly known to seize, rust, or bind in unwanted positions. The Series 700 ProFlex™ rubber duckbill check valves provide backflow protection from occurrences including:
*All check valves have been fully tested at an accredited flow laboratory and flow charts are available upon request.
ProFlex™ Styles 711/731
Flanged/Slip-On Slope Bottom Check Valves
ProFlex™ Style 770/780
Wafer Style In-line Rubber
ProFlex™ Style 790
Low Headloss In-Line Rubber Duckbill Check Valves
ProFlex™ Style 750
Jacketed In-line Flanged Rubber Check Valve
ProFlex™ Style 730
Sleeved Rubber Duckbill Check Valve
ProFlex™ Style 720
In-Line Flanged Rubber Duckbill Check Valve
ProFlex™ Style 740
Slip-in Style In-Line Rubber Duckbill Check Valve
ProFlex™ Style 710 Flanged Rubber Check Valve
Flanged Rubber Duckbill Check Valve