Butterfly Damper Valve for Fumes, Gas and high temperatures up to a 600°C. Available from DN 50 to DN 2000 in Wafer or Flanged , Metal or other seat to improve its performance.
Operation Method: Manual Gear Operated, Electrical Actuator, Pneumatic Operated .
The series high pressure quick closing gate valve (ESD/ESO emergency shutdown/shutoff valve) usually installed in the main steam turbine inlet steam , heating , etc. Extraction steam piping , TRT blast furnace gas and biomass power generating unit intake duct , as well as high level of safety of coal mine gas pipeline piping systems .
Under normal operating conditions , the valve opening and closing a constant speed and energy reserves ; when the system is in crisis conditions , the rapid release of energy reserves , emergency shut-off valve is driven within 0.2 to 0.8 seconds and achieve a reliable cut-off line , the host device to protect the pipe Safety.