SystemAir PKI-C EI120S, Manual, Page: 4 / 63

Circular Fire Dampers
Fire Dampers
Actuator driven Fire Dampers:
DV7
; Spring return actuator driven fire damper (230V) complete
with Thermal release mechanism and Auxiliary Switches
DV9-T
; Spring return actuator driven fire damper (24V)
complete with Thermal release mechanism and Auxiliary
Switches
DV9-T-ST
; Spring return actuator driven fire damper (24V)
complete with Thermal release mechanism, Auxiliary Switches
and Belimo BKN230-24 communication unit
Electrical accessories
BKS1
- Communication and control unit BKS24-1B with plug
socket ZSO-11 for one remotely controlled fire damper (for DV9-
T-ST only)
BKS9
- Communication and control unit BKS24-9A for up
to nine remotely controlled fire dampers (for DV9-T-ST only)
Circular fire damper with actuator
L
Ø d + 110
Ø d / 2 + 90
45 45
Ø D
7 8
6
2
1
6 8
7
L1 L2
Damper parts description:
1. Damper blade
2. casing
3.
release mechanism (for manufactures ZV
and DV1-DV6)
4. electromagnet (for manufactures DV3-DV6)
5. terminal switch (for manufactures DV1,2,5,6) /
two terminal switch (for manufactures DV1-2, 2-2,
5-2, 6-2)
6. inspection (control) lid
7. actuator (for manufactures DV7, DV9-T and DV9-
T-ST)
thermo-electrical release device (for manufactures
DV7, DV9-T and DV9-T-ST)
Main dimensions:
Diameter
Ø d [mm]
Length
L [mm]
Damper Blade
extension
L1 [mm]
Damper Blade
extension
L2 [mm]
Weight
Q [kg]
100 - - 4
125 - - 4
160 - - 5
180 - - 5
200
400
- - 6
225 - - 7
250 - - 7
280 - - 8
315 - - 9
355 - 5 11
400
450
- 28 13
450 - 53 16
500 - 78 19
560 - 108 22
630 - 143 25
710 23 183 29
800 68 228 35
900 118 278 41
1000
500
168 328 48
Tab. 1a Round dampers with actuator
L1 – Extension of damper blade outside of the casing in full open position
L2 – Extension of damper blade outside of the casing in full open position
Ordering codes:
- - - -
Dimension

D
Manual reset lever ZV
Switches & Actuators DV1 to DV9-T-ST
Standard 0
Rubber gaskets NT
Mounting flanges P
BKS1
BKS9
PR
Control
Accessories
Installation accessories
Connection
types
Communication & Control Units
60S, 90S and 120S
PK-I -R-EI
Fire resistance class
Operation type
NOTE:
E = Casing integrity, I = Insulation class, S = Smoke leakage