FIRE DAMPERS
358
359
Design changes reserved
Symbol:
v
Δp
t
L
WA
- air velocity in the duct [m/s]
- total pressure loss [Pa]
- sound power level [dB(A)]
Damper type
FDC25
-
Ø
250
- M230
- S
- G1
Damper dimensions
Ø
[mm]
Mechanism type:
R - manual mechanism
E230 - solenoid actuator AC230V
E24 - solenoid actuator AC 24V
M230 - electric actuator AC230V
M24 - electric actuator AC/DC 24V
Options:
s - electric limit switches (indicating damper “OPEN” and “CLOSED”)
z - electric limit switch (indicating damper “CLOSED”)
o - electric limit switch (indicating damper “OPEN”)
Grille:
G1 - grid on one side
G2 - grid on both sides
SELECTION DIAGRAM
ORDERING KEY
