Webstone Isolator Drain and Purge Valve
Webstone, the original designer and builder of The Isolator Uni-Flange all Valve, has announced its new isolation valve for circulator pumps. The Isolator Drain & Purge Valve incorporates all of the features and benefits of the original Isolator and adds a hose thread outlet with a drain/purge feature that is operated by a separate quarter-turn ball valve. Webstone. Circle 23.