Designed for use in measurement of water from a fire hydrant or other nonpermanent installation where flow is in one direction only. Protects against both backsiphonage and backpressure of contaminated water into the potable water supply. NH (NST) adapters allow for connection to 2 1/2 inch fire hydrant (inlet) and 2 1/2 inch fire hose (outlet). Assembly shall provide protection where a potential health hazard exists.
Meter Meets the Requirements of - ANSI / AWWA C701-88 Class II
