Hose valve, 1 ½" F. NPT inlet x 1 ½" F. NPT outlet. Used with hose rack assemblies. Field-adjustable restricting mechanism reduces water pressure under flowing conditions (175 psi max. inlet). When full flow is required, restriction can be over-ridden by trained personnel. Cast brass, 175 psi, UL listed. Optional finishes: polished brass, rough chrome plated and polished chrome plated.