350ASTDAR Replacement Double Check Detector Assembly
Designed for drop-in replacement of existing longer lay length assemblies without the need for additional spools or spacers, saving 2 to 6 hours of installation labor and up to 2 machine hours per backflow replacement. A custom sized grooved spool installed between the backflow body and downstream shut-off valve allows customer specified assembly lengths to be shipped directly from the factory. Designed for installation on potable water lines connections in fire sprinkler systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. Model 350ASTDAR shall provide protection where a potential health hazard does not exist. Incorporates metered by-pass to detect leaks and unauthorized water use.
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Technical Data
Available Materials:
Stainless Steel
Available Sizes:
2-1/2in, 3in, 4in, 6in, 8in, 10in
Connection Types:
Flanged, Grooved
Flange Types:
125# ANSI, ANSI# ANSI
See product datasheet for additional details