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Backflow Reference Manual - Backflow Direct


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Magnum 20 / 20G

Sizes

Description

This is a double check assembly. Production began in 2018. The model 20 comes with grooved end integral butterfly shut offs while the 20G comes with NRS flanged end shut offs. The Magnum series is not UL/FM rated. The body is a fabricated stainless steel design with a bolted single access cover. The checks are a modular design made of Noryl plastic material. The check discs are silicone rubber. The check modules are held into the body with bolts that extend from the outside of the body into a slot to hold the check modules in place. These allen head bolts have to be unscrewed to remove the check modules from the body for repair. The check uses a torsion spring design. Spring tension does not need to be released to change the check disc.

Details

Common repair parts are a very small subset of the 10,000 plus items BAVCO stocks. Please feel free to contact us direct at 800-458-3492 for pricing on items not listed or backflow prevention devices.