DataSheet PKI Cen GB

4 / 16 | Circular Fire Dampers
Design
Fire dampers have casings made from galvanized sheet metal. Blades are made from non-asbestos insulants
and an intumescent seal, that expands in a re situation.
Material Composition
The product contains galvanized sheet metal, calcium silicate board, graphite re-proof laminate, polyurethane foam.
These are processed in accordance with local regulations. The product contains no hazardous substances, except
for the solder in the thermal fuse, which contains a milligram of lead.
Product Parts
Fig. 1: Components of the PKI-C
1 Casing
2 Damper blades
3 External peripheral sealing
4 Thermal fuse link
5 Detent spring
6 Microswitches 24 V DC
7 Internal peripheral sealing, expanding material
Legend
Activation Types
The following is a description of activation types:
• ZV: Fire damper with a spring-return release driven
by a thermal fuse link set to 72 °C.
• DV1: Fire damper with an activation mechanism
ZV + closed indication with an AC/DC 24 V contact
switch on one blade.
• DV1-2: Fire damper with an activation mechanism
ZV + closed indication with AC/DC 24 V contact
switches on both blades.
DC Direct current
AC Alternating current
Legend
2
5
7 5 3 6
4
1