Product features
·BELLZFF Electric square damper with BELL series electric actuators, High precision adjustment, with a variety of protection features.
·This type of electric damper could adjust damper opening degree , Control size of the wind.
The main parameters of the actuator
·Input, output signal: 4-20mA DC;
·Input channel resistance: 250 ohms;
·Basic error: ± 1%;
·Dead: 0.5% --3% (adjusted according to system requirements);
·Power supply voltage: Three-phase 380V 50Hz single phase 220V 50Hz (other power can be customized);
·Working temperature: Integral type -10 ℃ ~ + 55 ℃, discrete type -25 ℃ ~ + 70 ℃;
·Operating humidity: ≤85%, ambient air does not contain corrosive properties;
·Protection class: IP65, bus type, intelligent type IP67;
·Communication Interface: bus line with international standard protocol PROFIBUS-DP.
Dimensions
model
Nominal diameter
Width X Height
Torque
Nm
Various dimensions of damper body
Actuator Dimensions
n-φd
L1
L2
L3
L4
L5
L6
B
H1
H2
a1
a2
BELLZF-F10
130X160
100
150
220
286
130
190
266
200
180
217
340
410
8-φ14
140X180
170
240
306
140
200
276
160X200
190
260
326
160
220
296
180X220
210
280
346
180
240
316
200X240
230
300
366
200
260
336
BELLZF-F25
240X280
250
270
340
406
240
300
376
320
290
336
295
493
10-φ14
270X410
400
470
336
270
330
406
18-φ14
300X430
420
490
556
300
360
436
360X430
420
490
556
360
420
496
420
20-φ14
410X430
430
490
556
410
470
546
300X400
390
460
526
300
360
436
300
18-φ14
300X500
490
560
626
300
360
436
20-φ14
300X600
590
660
726
300
360
436
22-φ14
300X700
690
760
826
300
360
436
24-φ14
400X500
490
560
626
400
460
536
400
22-φ14
400X600
590
660
726
400
460
536
24-φ14
400X700
690
760
826
400
460
536
26-φ14
BELLZF-F60
400X800
600
790
860
926
400
460
536
500
320
340
360
605
28-φ14
500X600
590
660
726
500
560
636
26-φ14
500X800
790
860
926
500
560
636
30-φ14
500X900
890
960
1026
500
560
636
32-φ14
500X1000
990
1074
1126
500
560
636
Contact Details
Tianjin Bell Automatic Instrument Technology Co., Ltd
