The RRM or RRMJ manual control dampers, made of galvanized steel, are circular dampers intended to balance a branch of a ventilation or air conditioning network. They are fitted with a handle in composite material with a locking screw for adjusting the shutter opening.
The dampers can be motorized with most motors on the market after removing the handle from
drive (8 x 8mm axle).
The ducts are connected to the damper, retained by putty, tape or collars for jointless dampers.
For dampers with joint connection, network tightness class up to D according to NF EN 12237.
After unscrewing the locking screw of the handle, make the adjustment and retighten the screw.
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