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Pottorff > Air Control and Backdraft Dampers > Air Control Dampers > Manual Balancing > MD-42

Model MD-42

Manual Balancing Damper
Triple-V Blade

MD-42 balancing damper employs triple-V blades and a rugged hat channel frame for manual air control and balancing in medium pressure and velocity applications.

MD-42 Triple-V Blade

Standard Construction

Frame: 5" x 1" (127 x 25) galvanized steel hat channel with interlocking corner gusset. Equivalent to 13 ga. (2.4) channel frame. Low profile head and silll are used on sizes less than 13" (330) high.

Blades: 6" x 16 ga (152 x 1.5) galvanized steel - triple-V. Opposed.

Axles: 1/2" (13) diameter plated steel hex.

Linkage: Concealed in frame.

Bearings: Synthetic.

Control Shaft: 1/2" x 6" (13 x 152) round drive axle with outboard shaft support bracket and bearing supplied on all single section dampers for field installation. Factory installed jackshaft with all multiple section dampers.

Minimum Size: 6" x 10" (152 x 254)

Maximum Size:
Single Section: 48" x 48" (1219 x 1219)
Multiple Section: 96" x 96" (2438 x 2438)



Temperature: -40oF to 180oF (-40oC to 83oC)

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