1-1/4" ISO FLANGE W/

  • Brand: Webstone
  • Nominal Size: 1-1/4 Inch x 1-1/4 Inch
  • Application: Commercial, Industrial, Residential
  • Applicable Standard: ISO 9001
  • Port Type: Full
These valves have revolutionized the installation of circulator pumps. Our original Isolator® Uni-Flange Ball Valve design has evolved into the largest flanged ball valve program in the industry today.
  • Features and More


  • Patented Technology
  • Isolator Line with Two Versatile Enhancement
  • The 360 Degree Flange Rotation Allows Rotation to any Degree Necessary for Installation and the Multi-Function Drain that Make the Isolator the Only Valve that Drain from Both Side of the Pump
  • Flange Features a Conical Inlet to Minimize Turbulence
  • The Rotating Flange is Secured by a Snug-Fit Snap-Ring that Provides Greater Control Over Positioning During Installation
  • Multi-Directional Main Valve Allow for Draining from Either Side of the Pump
  • Lead-Free


    Brass Detachable Rotating Flange/Adjustable Packing Gland, Zinc Plated Steel Nut and Bolt, Multi-Function Hi-Flow Hose Drain