Fiberglass Airfoil Control Damper
The M.K. Plastics series K-PD series fiberglass control dampers are intended for low to medium pressure and velocity applications where corrosive elements exist in the air stream. The dampers are center pivoted and are available in both parallel and opposed blade design. An extended shaft enables both manual and control. Linkage is out of the air stream concealed in the frame. Maximum temperature is 200 deg F. The dampers can be either flange or duct mounted, flange drilling is available as an option.The K-PD series dampers are AMCA Certified for Air Leakage & Air Performance, and are licensed to bear the AMCA Seal.
Fiberglass Gravity Backdraft Damper
The M.K. Plastics series K-GD end-pivoted fiberglass gravity backdraft dampers are intended for low to medium pressure and velocity applications where corrosive elements exist in the air stream. Recommended for backdraft control to allow airflow in one direction and prevent airflow in the opposite. Maximum temperature is 200ºF. The K-GD series dampers can be flange or duct mounted in either vertical or horizontal applications. Flange drilling is available as an option.
Fiberglass Round Control Damper
The M.K. Plastics series K-RD are manufactured to meet the needs of the odor control and corrosive HVAC industries by providing a corrosion-resistant FRP Damper that is used to regulate an exhaust flow or shut off and isolate a system. The operating conditions for the dampers are designed to match the operating conditions of the duct system. Premium vinyl ester resins are used throughout the damper. Fire-retardant resins are also available for a Class 1 flame spread. The K-RD 503 & 504 series dampers are AMCA Certified for Air Leakage & Air Performance, and are licensed to bear the AMCA Seal.
PVC Gravity Backdraft Shutter
Heavy duty PVC shutters are ideal for humid applications and corrosive conditions where maintenance or replacement of metal shutters is a nuisance. Can be used with wall fans or centrifugal blowers for horizontal or vertical arrangements. Weather tight and quiet operation.
PVC Gravity Backdraft Shutter (PDF catalog)
Fiberglass Fixed Blade Louver
The K-FL series is a fixed blade fiberglass drainable louver used in applications where corrosive air exists for exhaust, air supply or pressure relief. Available for in cavity wall installation, or flange mounted to exterior/interior of the wall. It can also be used on the discharge or intake or exhaust & supply fans. K-FL Louvers are available in custom colours, optional flanges and screens.