Designed for installation on water lines in fire protection systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. Model 350ASTDA shall provide protection where a potential health hazard does not exist. Incorporates metered by-pass to detect leaks and unauthorized water use.b

Specs

• Maximum working water pressure: 175 PSI
• Maximum working water temperature: 140°F
• Hydrostatic test pressure: 350 PSI

Downloads

Specification Sheet