Variable swirl diffusers
Swirl diffusers
IMP Klima
IMP Klima
OD-4
OD-11, OD-11V
OD-17
OD-7
OD-9
OD-5
OD-14
KD-8
OD-8
OD-15
IMP Klima
IMP Klima
AxA
180
26
3
AxA
242
24
0.7
φ A
AxA
276
36
8
AxA
342
34
2
φ A
IMP Klima
295x295 295x295 "300 395x395 395x395 "400 495x495 495x495 "500 595x595 595x595 "600 620x320 620x620 "625
36 22 22 64 42 42 80 68 68 100 100 100 100 100 100
* tolerances according to standard DIN 7168 T1, middle tolerance class (m) … ±0.8 mm
AxA
415
44
2
AxA
AxA
415
44
2
φ A
AxA
560
46
0
AxA
560
46
0
φ A
xQ
L
1.8
m
L
H
H1
A,B
LV
Q
H1V
z z
L
L
Air flow
Horizontal distance to the wall
Room height
Distance from ceiling to occupied zone
Throw distance (L=H1+x)
Air velocity at the throw distance L
Temperature difference between supply and room air
Temperature difference between air jet and room temperature
Pressure drop
Sound power level
Air velocity at the H1 distance
Distance between diffusers by length and by width
Isothermal throw lenght, when velocity of supply air jet 0.2 m/s for 4 way discharge
IMP Klima
LWA [dB (A)] 28 31 36 39 43 45
pt [Pa] 18 25 34 45 57 70
L0.2 [m] 3.8 4.6 4.8 5.0 5.2
LWA [dB (A)] 27 30 34 38 41 44
pt [Pa] 17 24 33 43 54 67
Q
LWA [dB (A)] 27 31 37 40 43 49
pt [Pa] 11 17 26 37 51 66
L0.2 [m] 3.9 4.7 4.9 5.1 5.3
LWA [dB (A)] 26 29 34 37 40 45
pt [Pa] 10 16 25 36 49 64
Q
LWA [dB (A)] 26 28 34 39 43 45
pt [Pa] 9 14 21 28 37 47
L0.2 [m] 2.8 3.2 3.6 4 4.2 4.6
LWA [dB (A)] 26 28 33 38 42 45
pt [Pa] 10 15 22 29 38 49
Q
LWA [dB (A)] 28 31 35 38 41 43
pt [Pa] 11 15 19 24 30 43
L0.2 [m] 2.9 3.3 3.7 4.1 4.3 4.7
LWA [dB (A)] 27 29 32 35 38 41
pt [Pa] 10 14 19 23 29 42
Q
LWA [dB (A)] 26 29 33 37 41 44
pt [Pa] 13 18 25 32 41 50
L0.2 [m] 1.8 2.2 2.4 2.8 3.2 3.6
LWA [dB (A)] 26 28 32 37 41 44
pt [Pa] 12 17 24 31 39 48
Q
LWA [dB (A)] 28 32 36 40 44 47
pt [Pa] 10 15 22 29 39 49
L0.2 [m] 1.9 2.3 2.5 2.9 3.3 3.7
LWA [dB (A)] 29 31 35 40 44 47
pt [Pa] 9 15 21 29 38 47
IMP Klima
290 245 158 143 245
390 285 198 163 280
488 285 198 163 280
590 335 248 188 330
590 335 248 188 330
* tolerances according to standard DIN 7168 T1, middle tolerance class (m) … ±0.8 mm
LWA [dB (A)] 29 32 35 39 41 44
pt [Pa] 13 16 21 26 31 37
L0.2 [m] 2.6 3 3.6 4.4 5.2 5.8
LWA [dB (A)] 29 31 35 38 41 44
pt [Pa] 13 17 21 27 32 38
LWA [dB (A)] 30 33 37 40 43 45
pt [Pa] 13 17 21 26 32 38
L0.2 [m] 2.8 3.2 3.8 4.7 5.4 6.2
LWA [dB (A)] 30 33 37 40 43 45
pt [Pa] 13 17 21 26 32 38
* LWA and ∆pt are given at 100 % open regulation damper
φ A
h1
H1φ
d
φ d
H2
φ A
top entry spigot side entry spigot measuring damper
IMP Klima
280x280 210 200 125 123
390x390 290 240 167 198
390x390 290 240 167 198
590x590 325 240 177 248
590x590 325 240 177 248
* tolerances according to standard DIN 7168 T1, middle tolerance class (m) … ±0.8 mm
side entry spigot top entry spigot
AxA
h
1
φ d
H1
n d
A x A
H2
measuring damper
200
10
100
400KK/Z/S/M
250 300 350 450
15
20
30
4050
400
250
10
100500KK/Z/S/M
300 350 400 500
15
20
30
40
50
450 250
10
100500KK/Z/V/M
300 350 400 500
15
20
30
40
50
450 180
10
100
500KR/ZR/S/M
250 300 350 450
15
20
30
40
50
400
500KR/ZR/V/M
150
10
100
400KR/ZR/S/M
200 250 275
15
20
30
40
50
300
400KR/ZR/V/M
200
10
100
400KK/Z/V/M
250 300 350 450
15
20
30
4050
400
200 180
10
100
250 300 350 450
15
20
30
40
50
400200
225175 150
10
100
200 250 275
15
20
30
40
50
300225175
100%
30%
0%
100%30%
0%
100%
30%
0%
100%
30%
0%
100%
30%
0%
100%
30%
0%
100%30%0%
100%30%
0%
Q(m³/h) Q(m³/h) Q(m³/h) Q(m³/h)
Q(m³/h)Q(m³/h)Q(m³/h)Q(m³/h)
∆p
t(Pa
)
L WA[dB(A)]
∆p
t(Pa
)
L WA[dB(A)]
∆p
t(Pa
)
L WA[dB(A)]
∆p
t(Pa
)
L WA[dB(A)]
∆p
t(Pa
)
L WA[dB(A)]
∆p
t(Pa
)
L WA[dB(A)]
∆p
t(Pa
)
L WA[d
B(A)]
∆p
t(Pa
)
L WA[dB(A)]
30
35
40
45
30
35
40
45
30
35
40
45
30
40
45
35
30
35
40
45
30
35
40
45
30
35
40
30
35
40
350
10
100
600,625KK/Z/S/M
400 450 500 600
15
20
30
4050
550 650 350
10
100
600,625KK/Z/V/M
400 450 500 600
15
20
30
4050
550 650 300
10
100
600,625KR/ZR/S/M
400 450 500 600
15
20
30
4050
550 650
600,625KR/ZR/V/M
350 300
10
100
400 450 500 600
15
20
30
4050
550 650350
100%30%
0%
100%
30%
0%
100%30%
0%
100%30%
0%
Q(m³/h)Q(m³/h)Q(m³/h)Q(m³/h)
∆p
t(Pa
)
L WA[dB(A)]
∆p
t(Pa
)
L WA[dB(A)]
∆p
t(Pa
)
L WA[dB(A)]
∆p
t(Pa
)
L WA[dB(A)]
30
40
35
45
30
40
35
45
30
35
40
45
30
35
40
45
IMP Klima
13 7 10 9 6 5 7
13 8 9 5 4 5 5
13 8 13 9 7 7 7
12 7 8 5 8 7 7
9 8 8 8 5 5 7
10 7 6 5 4 4 7
11 8 12 10 7 6 7
12 8 8 8 8 9 9
10 7 7 7 7 5 7
9 7 5 7 4 4 6
9 8 9 7 5 5 6
10 9 7 5 5 5 5
6 7 7 6 3 4 6
9 6 8 2 3 4 5
5 8 7 6 4 4 5
9 8 5 3 4 4 6
* Sound attenuation represents insertion losses; this means reduction in the level of sound power due to the inserted unit (swirl diffuser OD-15).
Volume control damper in the entry spigot
Measuring damper (only in combination with AR/S air exhaust round plenum box side entry spigot and A/S air exhaust square plenum box side entry spigot)
Side entry spigot
Vertical entry spigot
Exhaust air square plenum box
Supply air square plenum box
Exhaust air round plenum box
Supply air round plenum box
Square diffuser plate, square nozzle arrangement – central fastening
Square diffuser plate, square nozzle arrangement – fastening with four screws
Square diffuser plate, radial nozzle arrangement – central fastening
Square diffuser plate, radial nozzle arrangement, – fastening with four screws
Circular diffuser plate, radial nozzle arrangement – central fastening
Fastening with four screw is recommended for size 600, 625.
Versions KK4 and KR4 for dimensions 300, 400 and 500 are available only when ordering the diffuser plate without the plenum box.
100
100%
10
100
300KK/Z/S/M
125 175 225 250
15
20
30
40
50
30%300KK/Z/V/M
80
10
100
300KR/ZR/S/M
125 150 175 200
15
20
30
40
50
300KR/ZR/V/M
150 200 100
10
100
125 175 225250
15
20
30
40
50
150 200 100 80
10
100
125 150 175 200
15
20
30
40
50
0%
100
0% 30%0%
100%
0%30%100%
30%100%
Q(m³/h) Q(m³/h) Q(m³/h) Q(m³/h)
∆p
t(Pa
)
L WA[d
B(A)]
∆p
t(Pa
)
L WA[d
B(A)]
∆p
t(Pa
)
L WA[d
B(A)]
∆p
t(Pa
)
L WA[d
B(A)]
30
35
40
45
30
35
40
45
30
35
40
30
35
40
IMP Klima