This is controlled manually by a selector that allows the user to select the closed or open position of the valve. The control is affected effortlessly and quickly, even under high pressure conditions. The opening speed is controlled by a vent orifice
The Dorot Management Control Valves 82-HY Hydrant name is one of 2 Hydrants from Dorot Management Control Valves featured on TheBigRedGuide.com. View technical specifications and compare the 82-HY with other Hydrants.