Butterfly valves are used to maintain the unidirectional flow of liquid and to prevent reverse flow of the medium. Reservoir dampers, in turn, are used as control valve or shut-off. Flanged or wafer, with manual or automatic with electric actuator, hydraulic or pneumatic. Provided for a wide range of applications: water, wastewater, steam, gas. Butterfly valves of large diameter flanges are mainly used for water supply and sewerage networks.
|Diameter DN (mm)||Pressure PN (MPa)||T max (C)||Material execution|
|10-1200||to 1,0||to 400||gray cast iron
ductile cast iron