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MARINE DAMPER

GD Type Gas Tight Damper

Introduction:

The gas tight air damper are used in HVAC ducts that need gas tight.There are two control modes:electrical control and pneumatic control.The damper will open nomally,If the power or compressed air is interrupt,The damper will close in two seconds,If the damper is closed the maximum leakage to the damper is 5m3/m2min. with a diffrential pressure of 2000pa,The neoprene is made in corrosion resistant material,heat resistant to 80°C.