Backflow Preventer With Water Meter and Relief Valve Length_50 Feet Single hook spanner head fits

Single hook spanner head fits 3/4 inch to 6 inch rocker lug or pin lug fire hose or adapter fittings

has a male camlock and a female pipe thread of the same size

Brush firefighting

Two types of threads are used: British Standard Pipe Taper (BSPT) and British Standard Pipe Parallel (BSPP)

Dry up to 900’ of 1 1/2" to 1 3/4" hose or up to 600’ of 2 1/2" to 3" hose

Backflow Preventer With Water Meter and Relief Valve Length_50 Feet Single hook spanner head fitsDesigned 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: