Lindab SDJR-S User manual

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Lindab SmokeControlDamper
Technical manual
SDJR-S

© 09.2021 Lindab Ventilation. All forms of reproduction without written permission are forbidden. is the registered trademark of Lindab AB.
Lindab’s products, systems, product and product group designations are protected by intellectual property rights (IPR).
Smoke Control Damper SDJR-S
Table of Contents
General information .................................................................................................................. 3
1. Description ............................................................................................................................... 3
2. Design ...................................................................................................................................... 4
3. Dimensions, weights ............................................................................................................. 12
4. Placement and Assembly ..................................................................................................... 16
5. Suspension system ............................................................................................................... 17
Technical data ......................................................................................................................... 18
6. Pressure loss ......................................................................................................................... 18
10. Noise data ............................................................................................................................ 19
Material, nish ......................................................................................................................... 20
8. Material .................................................................................................................................. 20
Inspection, testing ............................................................................................................... 20
9. Inspection, testing ................................................................................................................ 20
Transportation and storage ............................................................................................ 21
10. Logistic terms ..................................................................................................................... 21
Assembly, attendance, maintenance and revision ............................................ 21
11. Assembly ............................................................................................................................ 21
12. Entry into service and revisions ....................................................................................... 22
13. Spare parts ........................................................................................................................ 22
Product data .......................................................................................................................... 22
14. Product label ....................................................................................................................... 22
Ordering information ........................................................................................................ 23
15. Ordering example ............................................................................................................. 23

3
lindab | we simplify construction
Smoke Control Damper SDJR-S
Lindab reserves the right to make changes without prior notice
Last modified: 2021-09-03
Rev: 2021-03-26
1. Description
1.1. Smoke control dampers - single are shutters in smoke exhaust piping systems. Dampers are designed to remove heat
and combustion products (e.g. smoke) from single fire compartment. In the event of fire the Smoke and Fire ventilation
system opens the damper in the affected section which removes combustion products and heat from this section.
The damper blade is operated by an actuating mechanism.
The dampers can be installed in various duct sizes with respect to the field of direct applications according with EN1366-9.
The field of direct applications based on tests results is acceptable according to EN1363-1, part A.1 and A.2, EN1366-2, part
13 and EN1366-10, part 9.
Smoke control dampers - single are classified as
E600 120 (ve- i↔o) S1500 Cmod MA Single
The duct can be ended by KMM (TPM 002/96) grilles.
1.2. Damper characteristics
• CE certified acc. to EN12101-8
• Tested in accordance with EN1366-10
• Classified acc. to EN13501- 4+A1
• External Casing leakage min. class B, Internal leakage min. class 3 acc. to EN1751
• Cycling test in class Cmod acc. to EN12101-8
• ES Certificate No. 1391-CPR-2020/0187
• Declaration of Perfomance SDJR-S DoP
• Hygienic assessment of fire dampers - Report No. 1.6/pos/19/19c
1.3. Working conditions
• Dampers are designed for smoke exhaust piping systems with underpressure max. 1500 Pa or overpressure max. 500 Pa.
• Dampers are designed for maximum air velocity 12 m/s.
• Dampers are installed with the horizontal or vertical axis of the blades.
• Dampers are intended for installation on air ducts and in/onto the walls where in the case of wall installation, this wall with
damper does not have fire resistance and therefore does not separate two fire compartments.
• Dampers are suitable for systems without abrasive, chemical and adhesive particles.
• Dampers are designed for macroclimatic areas with mild climate according to EN 60 721-3-3. Temperature in the place of
installation is permitted to range from -20°C to +50°C.
General information

4
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Smoke Control Damper SDJR-S
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Fig.1 Damper SDJR-S - actuating mechanism in the cover
2.1. Design with actuating mechanism
Design .44 and .54
Belimo actuators are used for dampers, series BEN, BEE, BE for 230V AC resp. 24V AC/DC.
After connection to the power supply voltage, the actuator moves the damper blade to the "OPEN" position or "CLOSED"
(according to the corresponding connection, see wiring diagram). If the power supply is interrupted, the actuator stops at the
current position. The signalling of the "OPEN" and "CLOSED" damper blade positions is ensured by two built-in fixed “poten-
tial-free” end- limit switches.
The actuator for operating the damper blade is mounted in an insulated cover/box. It is accessible after removing the cover
lid. The electrical connection of the actuator is made with a non- flammable cable (or a cable located in the adjoining cable
duct), which passes through an opening made in the wall of the insulated cover/boxwhen installing the damper or when con-
necting the actuator power cable. The cable entry must meet a minimum fire resistance of 30 minutes.
2. Design

5
Actuator BELIMO - 15Nm BEN 24(-ST) BEN 24-SR BEN 230
Power voltage AC/DC 24V
50/60Hz
AC/DC 24V
50/60Hz
AC 230V
50/60Hz
Power consumption
- in operation
- in the end position
3W
0,1W
3W
0,3W
4W
0,4W
Dimensioning 6VA (Imax8,2 A @ 5ms) 6,5 VA (Imax8.2 A @ 5ms) 7VA (Imax4 A @ 5ms)
Protection class III III II
Degree of protection IP 54
Adjustment time for 95° < 30s
Ambient temperature
Storage temperature
-30°C … +55°C
-40°C … +80°C
Connection
- drive
- auxiliary switch
Cable 1m, 3x0,75mm2
Cable 1m, 6x0,75mm2
(BEN 24-ST) with plug connectors
Cable 1m, 4x0,75mm2
Cable 1m, 6x0,75mm2
Cable 1m, 3x0,75mm2
Cable 1m, 6x0,75mm2
Fig. 3 Actuator BELIMO BEN 24-SR
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Fig. 2 Actuator BELIMO BEN 24(-ST)
Tab. 2.1.1. Actuator BELIMO BEN 24(-ST), BEN 24-SR, BEN 230

6
Actuator BELIMO - 25Nm BEE 24(-ST) BEE 24-SR BEE 230
Power voltage AC/DC 24V
50/60Hz
AC/DC 24V
50/60Hz
AC 230V
50/60Hz
Power consumption
- in operation
- in the end position
2,5W
0,1W
3W
0,3W
3,5W
0,4W
Dimensioning 5VA (Imax8,2 A @ 5ms) 5,5VA (Imax8.2 A @ 5ms) 6VA (Imax4 A @ 5ms)
Protection class III III II
Degree of protection IP 54
Adjustment time for 95° < 60s
Ambient temperature
Storage temperature
-30°C … +55°C
-40°C … +80°C
Connection
- drive
- auxiliary switch
Cable 1m, 3x0,75mm2
Cable 1m, 6x0,75mm2
(BEE 24-ST) with plug connectors
Cable 1m, 4x0,75mm2
Cable 1m, 6x0,75mm2
Cable 1m, 3x0,75mm2
Cable 1m, 6x0,75mm2
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Fig. 5 Actuator BELIMO BEE 24(-ST)
Fig. 4 Actuator BELIMO BEN 230
Tab. 2.1.2. Actuator BELIMO BEE 24(-ST), BEE 24-SR, BEE 230

7
Fig. 7 Actuator BELIMO BEE 230
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Fig. 6 Actuator BELIMO BEE 24-SR

8
Tab. 2.1.3. Actuator BELIMO BE 24-12(-ST), BE 230-12
Actuator BELIMO - 40Nm BE 24-12(-ST) BE 230-12
Power voltage AC/DC 24V
50/60Hz
AC 230V
50/60Hz
Power consumption
- in operation
- in the end position
12W
0,5W
8W
0,5W
Dimensioning 18VA (Imax8,2 A @ 5 ms) 15VA (Imax7,9 A @ 5ms)
Protection class III II
Degree of protection IP 54
Adjustment time for 95° < 60s
Ambient temperature
Storage temperature
-30°C … +50°C
-40°C … +80°C
Connection
- drive
- auxiliary switch
Cable 1m, 3x0,75mm2
Cable 1m, 6x0,75mm2
(BE 24-ST) with plug connectors
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Fig. 9 Actuator BELIMO BE 230-12
Fig. 8 Actuator BELIMO BE 24-12(-ST)

9
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Smoke Control Damper SDJR-S
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Fig. 10 Damper SDJR-S - actuating machanism and BKNE in the cover
2.2. Design with the communication and power supply unit
Design .66
Design with communication and power supply device BKNE 230-24 and with actuator BEN (BEE, BE)-ST pro 24V.
The BKNE 230-24 serves on the one hand as a decentralized network device for powering the actuator and on the other hand
transmits the signal of the communication and control device BKSE 24-6.
It simplifies electrical installation and connection of dampers. In the meantime, it facilitates “on-site inspection” and allows
central control and inspection of dampers using a simple 2-wire line.
The BKNE 230-24 transmits the "OPEN" / "CLOSED" damper position (switches in the actuator) and fault messages to the
BKSE 24-6. It also receives commands from the control device and controls the adjustment of the actuator to the desired
position. The last control command will be retained even after a temporary network failure..
The BKNE 230-24 controls the switching position of the actuator, its adjustment time and the data exchange with the BKSE
24-6. In addition, it controls the actuator current (actuator connection) and the power supply.
To simplify the connection, the actuator is equipped with plug connectors that plug directly into the BKNE 230-24.
The actuator, communication and power supply device BKNE 230-24 are mounted in an insulated cover, they are accessible
after removing the cover. The electrical connection of the actuator and the BKNE 230-24 communication and power supply
device is made with a non-flammable cable (or a cable located in an adjoining cable duct), the two-wire BKNE 230-24 cable
should be connected to terminals 6 and 7. It is also recommended to use cable, which is used for fire signalling network. The
cables pass through an opening made in the wall of the insulated cover when installing the damper or when connecting the
actuator power cable. The cable entry must meet a minimum fire resistance of 30 minutes.
For more information on actuators and devices, see the Belimo catalogue.

10
LED State Function
yellow flashing damper rotates to the open position
yellow lit-up damper is open
green flashing damper rotates to the closed position
green lit-up damper is closed
yellow or green flashes twice as often fault
yellow + green dark network outage
Communication and power supply device BKNE 230-24
Power voltage AC 230V 50/60Hz
Power consumption 10W (including actuator)
Dimensioning 19VA (including actuator)
Protection class II
Ambient operation temperature
Storage temperature
-30°C … +50°C
-40°C … +80°C
Connecting
- network
- drive
- terminal blocks
cable 1m without plug
6-pin plug, 3-pin plug
screw terminals for 2x1.5mm2conductor
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Signalling
Fig. 11 Communication and power supply device BKNE 230-24
Tab. 2.3.1. Communication and power supply device BKNE 230-24
2.3. Communication and supply device

11
Communication and control devices BKSE 24-6
Power voltage AC 24V 50/60Hz
Power consumption 3,5W (operating position)
Dimensioning 5,5VA 18 A (Imax6.4 A @ 2.5ms)
Protection class III (low voltage)
Degree of protection IP 20
Ambient operation temperature 0 …+50°C
Connection screw terminals for 2x1.5mm2conductor
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Smoke Control Damper SDJR-S
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Fig. 12 Communication and control devices BKSE 24-6
Tab. 2.4.1. Communication and control devices BKSE 24-6
2.4. Communication and control device
BKSE 24-6 indicates operating condition and faults of flue dampers. These conditions can be signalled or transmitted to the
higher-level control system via the auxiliary built-in contacts. Signals from individual BKNE 230-24 are evaluated separately.
All BKNE 230-24 are controlled simultaneously. A maximum of 6 BKNE 230-24 can be connected to the BKSE 24-6.
Damper control is ensured with a simple 2-wire line. The damper's correct function is indicated by two LEDs. The operating
status of the entire control system and any errors are indicated by these LEDs and the corresponding error LED.
Mounting and connection of BKSE 24-6 can be done on a 35mm DIN rail. It's connected using two 9-pin terminal blocks
(plug connectors).

12
Actuating
mechanism
V [mm] D [mm]
BEN / BEE 176,5 300
BE 186,5 380
BEN / BEE +
BKNE
236,5 300
BE + BKNE 251,5 380
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Smoke Control Damper SDJR-S
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Rev: 2021-03-26
3. Dimensions, weights
3.1. Dimensions
Fig. 13 Damper SDJR-S
B
*standard height of the flange
Position:
1. Damper body
2. Damper plate
3. Actuating mechanism cover

13
Size AxB Number
of blades Weight [kg] Sef [m2]Actuating Mechanism Size AxB Number of blades
Weight
[kg] Sef [m2]Actuating Mechanism
200x200 114.3 0.0227 BEN 350x200 116.8 0.0440 BEN
x250 216.4 0.0270 BEN x250 219.3 0.0524 BEN
x300 217.3 0.0350 BEN x300 220.4 0.0679 BEN
x350 218.3 0.0430 BEN x350 221.6 0.0834 BEN
x400 219.2 0.0510 BEN x400 222.7 0.0989 BEN
x450 321.2 0.0554 BEN x450 325.1 0.1073 BEN
x500 322.2 0.0634 BEN x500 326.2 0.1228 BEN
x600 324.1 0.0794 BEN x600 328.5 0.15 3 8 BEN
x700 427.0 0.0917 BEN x700 432.0 0.1776 BEN
x800 428.9 0.1077 BEN x800 434.3 0.2086 BEN
x900 534.5 0.1200 BEE x900 540.5 0.2325 BEE
x1000 536.4 0.1360 BEE x1000 542.7 0.2635 BEE
x1100 639.3 0.1483 BEE x1100 646.3 0.2874 BEE
x1200 641.2 0.1643 BEE x1200 648.5 0.3184 BEE
250x200 115.1 0.0298 BEN 400x200 117. 6 0.0511 BEN
x250 217.4 0.0355 BEN x250 220.3 0.0608 BEN
x300 218.4 0.0460 BEN x300 221.5 0.0788 BEN
x350 219.4 0.0565 BEN x350 222.6 0.0968 BEN
x400 220.4 0.0670 BEN x400 223.8 0.1148 BEN
x450 322.5 0.0727 BEN x450 326.4 0.1246 BEN
x500 323.5 0.0832 BEN x500 327.6 0.1426 BEN
x600 325.5 0.1042 BEN x600 330.0 0.1786 BEN
x700 428.7 0.120 3 BEN x700 433.7 0.2063 BEN
x800 430.7 0.1413 BEN x800 436.1 0.2423 BEN
x900 536.5 0.1575 BEE x900 542.5 0.2700 BEE
x1000 538.5 0.1785 BEE x1000 544.8 0.3060 BEE
x1100 641.6 0.1947 BEE x1100 648.6 0.3337 BEE
x1200 643.6 0.2157 BEE x1200 651.0 0.3697 BEE
300x200 115.9 0.0369 BEN 450x200 118.4 0.0582 BEN
x250 218.3 0.0439 BEN x250 221.3 0.0693 BEN
x300 219.4 0.0569 BEN x300 222.5 0.0898 BEN
x350 220.5 0.0699 BEN x350 223.7 0.110 3 BEN
x400 221.5 0.0829 BEN x400 225.0 0.1308 BEN
x450 323.8 0.0900 BEN x450 327.7 0.1419 BEN
x500 324.9 0.10 3 0 BEN x500 328.9 0.1624 BEN
x600 327.0 0.129 0 BEN x600 331.4 0.2034 BEN
x700 430.3 0.149 0 BEN x700 438.0 0.2349 BEE
x800 432.5 0.1750 BEN x800 440.5 0.2759 BEE
x900 538.5 0.1950 BEE x900 544.5 0.3075 BEE
x1000 540.6 0.2210 BEE x1000 547.0 0.3485 BEE
x1100 643.9 0.2410 BEE x1100 650.9 0.3801 BEE
x1200 646 .1 0.2670 BEE x1200 653.4 0.4211 BEE
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Smoke Control Damper SDJR-S
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* table continues on next page
3.2. Weights and eective area cross section
Tab. 3.2.1. Weights and eective area cross section

14
Size AxB Number
of blades Weight [kg] Sef [m2]Actuating Mechanism Size AxB Number of blades
Weight
[kg] Sef [m2]Actuating Mechanism
500x200 119.2 0.0653 BEN 800x200 124.2 0.1079 BEN
x250 222.2 0.0777 BEN x250 228.1 0.1284 BEN
x300 223.5 0.10 07 BEN x300 229.7 0.1664 BEN
x350 224.8 0.1237 BEN x350 231.4 0.2044 BEN
x400 226.1 0.1467 BEN x400 233.0 0.2424 BEN
x450 329.0 0.1592 BEN x450 336.8 0.2630 BEN
x500 330.3 0.1822 BEN x500 338.4 0.3010 BEN
x600 332.9 0.2282 BEN x600 341.7 0.3770 BEN
x700 439.7 0.2636 BEE x700 449.8 0.4355 BEE
x800 442.3 0.3096 BEE x800 453.1 0.5115 BEE
x900 546.5 0.3450 BEE x900 558.5 0.5700 BE
x1000 549.1 0.3910 BEE x1000 561.8 0.6460 BE
x1100 653.2 0.4264 BEE x1100 66 7. 2 0.7045 BE
x1200 655.8 0.4724 BE x1200 670.5 0.7805 BE
600x200 120.9 0.0795 BEN 900x200 125.8 0.12 21 BEN
x250 224.2 0.0946 BEN x250 230.0 0.1453 BEN
x300 225.6 0.1226 BEN x300 231.8 0.18 8 3 BEN
x350 227.0 0.150 6 BEN x350 233.5 0.2313 BEN
x400 228.4 0.178 6 BEN x400 235.3 0.2743 BEN
x450 331.6 0.19 3 8 BEN x450 339.4 0.2976 BEN
x500 333.0 0.2218 BEN x500 341.1 0.3406 BEN
x600 335.8 0.2778 BEN x600 347.3 0.4266 BEE
x700 443.1 0.3209 BEE x700 453 .1 0.4928 BEE
x800 445.9 0.3769 BEE x800 456.7 0.5788 BE
x900 550.5 0.4200 BEE x900 562.5 0.6450 BE
x1000 553.3 0.4760 BEE x1000 566.0 0.7310 BE
x1100 657. 9 0.5191 BE x1100 671.8 0.7972 BE
x1200 660.7 0.5751 BE x1200 675.4 0.8832 BE
700x200 122.5 0.0937 BEN 1000x200 127.5 0.13 6 3 BEN
x250 226.1 0.1115 BEN x250 232.0 0.1622 BEN
x300 227.7 0.14 4 5 BEN x300 233.9 0.2102 BEN
x350 229.2 0.1775 BEN x350 235.7 0.2582 BEN
x400 230.7 0.2105 BEN x400 237.6 0.3062 BEN
x450 334.2 0.2284 BEN x450 342.0 0.3322 BEN
x500 335.7 0.2614 BEN x500 343.9 0.3802 BEN
x600 338.8 0.3274 BEN x600 350.3 0.4762 BEE
x700 446.4 0.3782 BEE x700 456.5 0.5501 BE
x800 449.5 0.4442 BEE x800 460.3 0.6461 BE
x900 554.5 0.4950 BEE x900 566.5 0.7200 BE
x1000 557. 5 0.5610 BE x1000 570.2 0.8160 BE
x1100 662.5 0.6118 BE x1100 676.5 0.8899 BE
x1200 665.6 0.6778 BE x1200 680.2 0.9859 BE
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Smoke Control Damper SDJR-S
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* table continues on next page
Tab. 3.2.1. Weights and eective area cross section

15
Size AxB Number
of blades Weight [kg] Sef [m2]Actuating Mechanism Size AxB Number of blades
Weight
[kg] Sef [m2]Actuating Mechanism
1100x200 129.1 0.1505 BEN 1200x200 130.8 0.16 47 BEN
x250 234.0 0.1791 BEN x250 235.9 0.19 6 0 BEN
x300 235.9 0.2321 BEN x300 238.0 0.2540 BEN
x350 237. 9 0.2851 BEN x350 240.1 0.3120 BEN
x400 239.9 0.3381 BEN x400 242.2 0.3700 BEN
x450 347. 2 0.3668 BEE x450 349.8 0.4014 BEE
x500 349.2 0.4198 BEE x500 351.9 0.4594 BEE
x600 353.2 0.5258 BEE x600 356.1 0.5754 BE
x700 459.9 0.6074 BE x700 463.2 0.6647 BE
x800 463.8 0.7134 BE x800 467.4 0.7807 BE
x900 570.5 0.7950 BE x900 574.5 0.8700 BE
x1000 574.5 0.9010 BE x1000 578.7 0.9860 BE
x1100 681.1 0.9826 BE x1100 685.8 1.0753 BE
x1200 685.1 1.0886 BE x1200 690.0 1.1913 BE
Tab. 3.2.1. Weights and eective area cross section
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If is used the communication and supply device BKNE230-24, the weight is higher by 0,68 kg.
Example, how to calculate effective area and size of SDJR-S damper [AxB], when knowing air volume in [m³/s] or [m³/h] on damper. Maximum
allowed air velocity on SDJR-S is 12 [m/s].
Formula:
Sef = Q / v
Q … air volume [m³/s]
Sef … effective free area of damper [m²] v … air velocity on damper [m/s]
Example:
Air volume needed is 26000 m³/h
26000 / 3600 = 7,222 m³/s
7,222 / 12 = 0,602 m² is min. effective free area [Sef]
Find the value Sef in the table 3.2.1. The effective are has to be the same or bigger. There will be more options of damper, sizes AxB.

16
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4. Placement and Assembly
4.1. Smoke control dampers single are designed to remove heat and combustion products (e.g. smoke) from single fire
compartment according EN1366-9.
Smoke control dampers single are designed for installation with horizontal or vertical axis of the blades. Backtoback smoke
exhaust duct has to be hung or supported so as all load transfer from the backtoback smoke exhaust duct to the
damper is absolutely excluded. To provide needed access space to the control device, all other objects must
be situated at least 350 mm from the control parts of the damper.
4.2. During installation the damper blade must be in position CLOSED. The damper body should not be deformed
in the course of installation. Once the damper built in, its blade should not grind on the damper body during opening
or closing.
4.3. Installation example
Fig. 14 Installation example
6. Wall construction without fire resistance
7. Atypical protection box with access to actuator from side, not as standard from the top
1. Damper hinge
2. Nut
3. Washer
4. Profile C
5. Washer C

17
Size As[mm²]Weight G [kg]
for 1 piece for 1 pair
M8 36,6 22 44
M10 58 35 70
M12 84,3 52 104
M14 115 70 140
M16 157 96 192
M18 192 117 234
M20 245 150 300
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5. Suspension system
7.1. Mounting to the ceiling wall
Fig. 15 Mounting to the ceiling wall
Position:
1. Threaded rod M8 - M20
2. Nut
3. Washer
4. Coupling Nut
5. Anchor
6. Hinge plate - min. thickness 10 mm
7. Concrete screw tested for fire resistance R30-R90,
max. Tension up to 0.75 KN (length 35 mm)

18
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Diagram 6.1. Pressure drops of the damper was determined for air density 1,2 kg/m3
6. Pressure loss
Technical data

19
f (Hz) 63 125 250 500 1000 2000 4000 8000 Total
216 24 29 29 28 26 23 935
325 33 38 38 37 35 32 18 44
432 40 45 45 44 42 39 25 51
538 46 51 51 50 48 45 31 57
642 50 55 55 54 52 49 35 61
746 54 59 59 58 56 53 39 65
849 57 62 62 61 59 56 42 68
950 58 63 63 62 60 57 43 69
10 53 61 66 66 65 63 60 46 72
11 55 63 68 68 67 65 62 48 74
12 57 65 70 70 69 67 64 50 76
f (Hz) 63 125 250 500 1000 2000 4000 8000 Total
215 23 28 28 27 25 22 834
324 32 37 37 36 34 31 17 43
431 39 44 44 43 41 38 24 50
536 44 49 49 48 46 43 29 55
641 49 54 54 53 51 48 34 60
745 53 58 58 57 55 52 38 64
848 56 61 61 60 58 55 41 67
949 57 62 62 61 59 56 42 68
10 51 59 64 64 63 61 58 44 70
11 53 61 66 66 65 63 60 46 72
12 55 63 68 68 67 65 62 48 74
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w (m/s)
10. Noise data
7.1. Sound power level corrected with lter A
Tab. 7.1.1. Sound power level Lw in dB(A) for B=250/300/450mm, damper fully open
Tab. 7.1.2. Sound power level Lw in dB(A) for B=350/500/700/900/1100mm, damper fully open
w - air velocity in the free cross section (AxB) - i.e. before blades
f - frequency of octave band
w (m/s)

20
f (Hz) 63 125 250 500 1000 2000 4000 8000 Total
213 21 26 26 25 23 20 632
321 29 34 34 33 31 28 14 40
428 36 41 41 40 38 35 21 47
534 42 47 47 46 44 41 27 53
638 46 51 51 50 48 45 31 57
742 50 55 55 54 52 49 35 61
845 53 58 58 57 55 52 38 64
947 55 60 60 59 57 54 40 66
10 48 56 61 61 60 58 55 41 67
11 50 58 63 63 62 60 57 43 69
12 52 60 65 65 64 62 59 45 71
w (m/s)
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Smoke Control Damper SDJR-S
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Last modified: 2021-09-03
Rev: 2021-03-26
Tab. 7.1.3. Sound power level Lw in dB(A) for B=200/400/600/800/1000/1200mm, damper fully open
w - air velocity in the free cross section (AxB) - i.e. before blades
f - frequency of octave band
8. Material
8.1. Damper casing and damper blade are made of galvanized plate without any other surface finish.
8.2. Fasteners are galvanized.
8.3. The actuator cover is made of fire-resistant material (fire protection board)
Material, nish
9. Inspection, testing
9.1. 9.1. The appliance is constructed and preset by the manufacturer, its operation is dependent on proper installation and
adjustment.
Inspection, testing