Guardian 5220 hose valve, 2 1/2 inches F. NPT inlet x 2 1/2 inches M. NST outlet

Guardian 5220 Valve
Model Code 5220
Thread TypeNPT
Inlet Size (in.)2.5
Model Info

Hose valve, 2 ½" F. NPT inlet x 2 ½" M. NST outlet. Used to regulate and control high pressures in standpipe and sprinkler systems. Constant pressure regulation under residual (flowing) and static (non-flowing) conditions. Tamper-resistant pressure adjustment setting. Bonnet tab indicates valve position as "open" or "closed". Valve seat acts as checking device and closes when inlet pressures drop below selected static outlet pressures. Angle type, cast brass body with brass and stainless steel internals. Large operating handwheel. UL listed to 400 psi.

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