Series 700 ProFlex™ Rubber Check Valve

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:

  • Sewage slurries
  • Outfalls to ocean fronts from heavy rainfall activity
  • Land erosion due to back flow conditions
  • Invasion of saltwater to freshwater pond

*All check valves have been fully tested at an accredited flow laboratory and flow charts are available upon request.

ProFlex™ Styles 711/731

Showing all 8 results

  • Flanged/Slip-On Slope Bottom Check Valve

    ProFlex™ Styles 711/731

    Flanged/Slip-On Slope Bottom Check Valves

  • style 770 and 780 wafer style rubber check valves

    ProFlex™ Style 770/780

    Wafer Style In-line Rubber Check Valves

  • Low Headloss In-Line Rubber Duckbill Check Valves

    ProFlex™ Style 790

    Low Headloss In-Line Rubber Duckbill Check Valves

  • Jacketed In-Line Flanged Rubber Check Valve

    ProFlex™ Style 750

    Jacketed In-line Flanged Rubber Check Valve

  • Style 730 Rubber Duckbill Check Valves

    ProFlex™ Style 730

    Sleeved Rubber Duckbill Check Valve

  • Style 720 Inline flanged rubber check valves

    ProFlex™ Style 720

    In-Line Flanged Rubber Duckbill Check Valve

  • Style 740 Slip-In In-line rubber check valves

    ProFlex™ Style 740

    Slip-in Style In-Line Rubber Duckbill Check Valve

  • Series-710 duckbill check valve

    ProFlex™ Style 710 Flanged Rubber Check Valve

    Flanged Rubber Duckbill Check Valve