GD Type Gas Tight Damper[Search Related Products]
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 80ˇăC.
Note: Flange size of all dampers could be fabricated according to user;s requirement.
Our GD damper can be cranked out circular single blade or multi-blades, and the control type can be selected electrical or pneumatic.