Lindab SDJR-S, Technical Manual

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15
Size AxB
Number
of blades
Weight [kg] Sef [m
2
]
Actuating
Mechanism
Size AxB
Number
of blades
Weight
[kg]
Sef [m
2
]
Actuating
Mechanism
1100x200 1 29.1 0.1505 BEN 1200x200 1 30.8 0.1647 BEN
x250 2 34.0 0.1791 BEN x250 2 35.9 0.1960 BEN
x300 2 35.9 0.2321 BEN x300 2 38.0 0.2540 BEN
x350 2 37.9 0.2851 BEN x350 2 40.1 0.3120 BEN
x400 2 39.9 0.3381 BEN x400 2 42.2 0.3700 BEN
x450 3 47.2 0.3668 BEE x450 3 49.8 0.4014 BEE
x500 3 49.2 0.4198 BEE x500 3 51.9 0.4594 BEE
x600
3 53.2 0.5258 BEE
x600
3 56.1 0.5754 BE
x700 4 59.9 0.6074 BE x700 4 63.2 0.6647 BE
x800 4 63.8 0.7134 BE x800 4 67.4 0.7807 BE
x900
5 70.5 0.7950 BE
x900
5 74.5 0.8700 BE
x1000 5 74.5 0.9010 BE x1000 5 78.7 0.9860 BE
x1100 6 81.1 0.9826 BE x1100 6 85.8 1.0753 BE
x1200 6 85.1 1.0886 BE x1200 6 90.0 1.1913 BE
Tab. 3.2.1. Weights and effective area cross section
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Smoke Control Damper SDJR-S
Lindab reserves the right to make changes without prior notice
Last modified: 2021-09-03
Rev: 2021-03-26
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.