www.pmmag.com/articles/93969-webstone-isolator-enhancements
Webstone Isolator Enhancements
October 1, 2010
Webstone’s Isolator with Rotating Flange and Drain has been enhanced with a newly designed snug-fit rotating flange that offers greater control over positioning during installation, as well as a multidirectional main valve that allows for draining from either side of the pump.
Webstone Valves. www.webstonevalves.com. Circle 39
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