NIBCO 1-1/4 in. Forged Brass Press Rotating Flange High Velocity Ball Valve with Adjustable Packing Glands

The isolator is a uni-flange ball valve that isolates a circulator pump, allowing virtually no air into the system during pump replacement or service. It's innovative design combines multiple components into a single forged brass body that saves time, labor and space. The isolator has revolutionized the installation of circulator pumps and has evolved into the largest flanged ball valve program in the industry today, featuring patented technology with further patents pending. Designed for use with water, oil, glycol mix in residential or commercial plumbing and heating systems. Refer to specification sheets for additional technical information. All webstone products are backed by a limited lifetime warranty.|1.25 in. Inside Diameter and 1.375 in. Outside Diameter|Easily isolates the pump for replacement|Prevents electrolysis and eliminates galvanic corrosion|Rotating flange is secured by a snug-fit snap-ring that provides greater control over positioning during installation|Flange features a conical inlet to minimize turbulence|Fits virtually any standard circulator pump|Slotted bolt holes accommodate both standard and high velocity pumps