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. Its 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 residential plumbing, commericial plumbing, heating systems. Refer to specification sheets for additional technical information. All Webstone products are backed by a limited lifetime warranty.
Easily isolates the pump for replacement|Prevents electrolysis and eliminates galvanic corrosion|Flange features a conical inlet to minimize turbulence|Fits virtually any standard circulator pump|Saves 18 minutes|Replaces 3 components|Eliminates 2 leak paths|This valve is actuated by a blowout-proof stem|Brass stem and PTFE seat
Webstone The Isolator Ball Valve, Series: 4040, 1-1/2 in Nominal, IPS x Flanged, 600 psi, 100 deg F, Full Port, Media: Water/Glycol Mixture, Lever Handle Actuator, Polished Chrome Brass Ball, 4 in Inlet to Outlet Length, 2-3/8 in Top to Inlet Center, Forged Brass Body, Brass/PTFE Trim, PTFE, Brass, Import