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3 inch NPSH barrel strainer with poppet style check valve
Threads are blunt start Higbee cut with indicators on adjacent lugs
11 1/2 threads per inch
In addition there are two different sized slots incorporated into the wrench handle for use as a gas cock shut off
Backflow Preventer With Water Meter and Relief Valve Threads_GHT x GHT 3 inch NPSH barrel strainerDesigned 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:
