FIRE DAMPERS / SHUTTER TYPE
K-VENTIL ventilation equipment
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FD/DFD-10 OPTIONS AND ACCESSORIES INSTALLATION
Gauges and Lengths of Fire Damper Sleeve
All fire Dampres must be installed in a steel sleeve of the required gauge and length. See
table below for required minimum sleeve gauges. Maximum sleeve thickness is 10 gauge
(3,5mm). Sleeve inside dimensions must equal damper out side dimensions. Sleeves shall
extend a maximum of 6in. (152mm) beyond the wall opening on each side (see Figure 1)
Attaching Fire Dampers to Sleeves
Fire dampers must be attached to sleeves as shown in Figure 2. Al four sides of the damper
frame must be attached to the sleeve with one row of attachments on each side the blade
channel.Attachments must be spaced a maximum of 4 in.(102mm) on centers and a
