Butterfly valve DN 50 - 500, PN 16, max. 1 000 °C | GD, GDH series

hydraulically-operatedregulatingfor gas

Butterfly valves of series GD and GDH are suitable for industrial plants to regulating warm air and exhaust combustion gases. GD and GDH valves are available with different features: GD3 and GDH3 up to 350° C GD4 and GDH4 up to 450 °C GD6 and GDH6 up to 350° C and from 600° C to 1000° C. Series GD… valves are available with exposed spindle, gear actuated with electrical or hydraulic motors. Series GDH... valves are available with ratchet handle lockable in 16 positions. Series GD… valves are particularly fitted on industrial furnaces for the regulation of warm air or exhaust combustion gases, not containing cast iron corrosive substances. Diameters are available from DN 15 to DN 2000. Mounting between flanges PN 6, 10 and 16. The motorized version is equipped with electric actuator to 230 Vac, 115 Vac, 24 Vac with adjustable 3-point floating or modulating with electronic positioner and analogic control signal to change the current 4 to 20 mA.