Roof curbs

Volume control mechanisms

Constant and variable volume

Our integrated constant and variable volume mechanisms reduce operating pressure, energy consumption and noise levels.

We manufacture products to your specifications.

Various models available

CVMK-V

Constant-variable volume mechanism made of galvanized steel.
Capacity: 75 pcm (35L/S) to 1,400 pcm (660L/S)
50% constant volume – 100% variable with actuator
50% constant volume – 100% variable with manual adjustment via cable
Factory settings, modifiable on-site
Various dimensions

Options:
Pneumatic or electric actuators
Tandem installation for greater volume

CVMK-D

Constant-variable volume mechanism made of galvanized steel.
Capacity: 75 pcm (35L/S) to 1,400 pcm (660L/S)
50% constant volume – 100% variable with actuator
50% constant volume – 100% variable with manual adjustment via cable
Factory settings, modifiable on-site
Various dimensions

Options:
Pneumatic or electric actuators
Tandem installation for greater volume

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We’ll get back to you as soon as possible to discuss your needs.





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