acoustic louvres

Transkript

acoustic louvres
NEW
www.stavoklima.eu
acoustic louvres
PHZe
New modelS:
200, 300, 400, 600 mm of depth
description and use:
bird protection grid
in detail:
Acoustic louvres "PHZE" are made of plain galvanized steel or powder coated RAL (stainless steel
or AlMg3 available upon reques). The louvres are filled with sound absorbing material covered with perforated metal plate for increased effectivity. There are 4 different depths available according to desired
attenuation. The air inlets are equipped with bird protection grids as standard.
Construction angle of the sound absorbing blades allows also the installation as an end piece of an
air duct (direct installation or with a frame).
Acoustic louvres are used for reduction of the noise comming out from various openings such as from
engine rooms or noisy industrial areas.
dimensions (standard delivery):
„a“ (width) [mm]:
200; 300; 400; 500; 630; 800; 1000; 1250; 1400; 1600; 1800; 2000; 2250; 2500
A+100
C
A
Bird protection
grid
A
„c“ (depth) [mm]:
200; 300; 400; 600
Other dimensions available on demand.
B
B+100
„b“ (height) [mm]:
350; 400; 500; 630; 800; 1000; 1250; 1400; 1600; 1800; 2000; 2250; 2500
acoustic parameters and planning:
The attenuating capacity of the acoustic louvre can be calculated in the
sellection software
. The louvre has to be calculated with respect
to the air flow in the cross section in front of the louvre [AxB dimension],
to the desired attenuation value [sound pressure value at the defined
point] and to the noise source [sound capacity Lw(a)].
A
ŘEZ A-A
pcs
Dimension indicated as "A" and "B" are actually about 30mm smaller than the opening due to easy installation.
(Example: For the duct of 1000x800mm acoustic louvres of the following dimensions will be delivered:
"A" actual = 970mm, "B" actual = 770mm)
leVeliNg Screw
detail (+frame)
filter
adaPter eu3
iNSulatioN
Izolační nástavec
adaPter
Filtrační nástavec EU3
50
(á 20 mm)
min. 30 mm
max. 500 mm
iNSulatioN adaPter
+ wall bracket
Izolační nástavec + nástěnná
konzola
30
50
BxA
BxA
BxA
BxA
CxD
50
50
Detail stavěcího šroubu ( + rámeček)
filter adaPter
FiltračnímouNted)
nástavec nástěnný
EU3
(wall
eu3
PHZE-KN
PHZe - NfN - c x d
PHZe - Nf - a x b
PHZ - NFN - C x D
wall bracket
PHZe - Ni - a x b / xx
PHZ - NI - A x B / xx
PHZ - NF - A x B
back-to-back
coNtrol damPer
Spojování
žaluzií PHZ za
mouNtiNg
sebou
Regulační klapka
Nástěnná konzola
včetně
rámečku
PHZ
- NI
- A x B / xx + KN
(B-50) x (A-70)
ALT2
BxA
200
300
Number
Počet
konzol:
Počet
konzol:
of brackets:
louVre couPliNg
Side-by--Side
witH frameS
Spojování žaluzií PHZ vedle sebe
Spojka PHZE-V
backplate
PHZE-V
ALT1
200
PHZe - Ni - a x b / xx + kN
300
do 1000 mm - 2 pcs
ks
od 1000 mm - do 2000 mm - 3 ks
od 2000 mm - do 3000 mm - 4 pcs
ks
125 (115)
covering backplate
backplate PHZE - H
atypical frame
600
PHZ - KN
PHZe - kN
PHZe - rk - a x b
PHZe - SPV
PHZE - SPH
PHZe
- SPH
PHZ - RK A x B
PHZE
1
PHZ - SPV
Technical Data
"200" mm dePtH
Louvre weight [kg] and free cross section [%]
Weight
Free cross
PHZE 200
per 1m2
section*
Louvre Height [mm]
kg
%
350
46
19
400
46
19
500
40
32
630
37
38
800
37
38
1000
37
38
1250
33
41
1400
33
41
1600
33
41
1800
33
41
2000
33
41
2250
33
41
2500
33
41
* valid for the whole connection dimension (AxB)
calculation: lv = 10log (10
lpv/10
Lpv = Lw1 + 10 log
Q
2
(4x π xR )
Characteristic
A
A
B
C
C
C
D
D
D
D
D
D
D
200
Lv = desired accoustic pressure at defined point
Lpv = noise dispersion in the air duct reduced by the attenuation "D" of the acoustic louvre and routing
Lpž = self noise of the louvre
dL = correction of reverberation noise in the outside (constant = 3)
lpž/10
) + dl
+ 10
Lpž = Lwž (A) + 10 log
Q
2
(4x π xR )
Lw1 = sound power lever of the system "dB(A)"
LwA = sound power of the noise source "dB(A)"
Dt = attenuation of the transmission
D = louvre attenuation
Lw1 = LwA - Dt - D
Lwž(A)= level of the louvre acoustic output at air speed given just before the louvre
R = distance of the point from the core of the louvre "m"
Q = directional coefficient (determined by the designer - most common value is 2)
Lwž(A) = Lw (diagram) + ∆ Lw + Lwa + Lwa oct (for the relevant frequency)
Louvre attenuation D [dB]
PHZE 200
attenuation [dB]
63
4
125
6
Correction of the louvre self-noise according to its surface Δ Lw [dB]
frequency [Hz]
250 500 1000 2000 4000 8000
7
12
12
13
14
14
PHZE 200
0,3 0,5
correction [dB] -5,2 -3
surface of the louvre m2
0,7 0,8 1
1,5
2
4
-1,5 -1
0
1,8
3
6
6
7,8
10
10
Correction of the louvre self-noise according to the way
of air flow and type of connection lwa oct - frequencies
F-OUT
F-IN
K-IN
F-IN
F-OUT
K-IN
K-OUT
K-OUT
125
5
3
5
1
250
7
3
5
3
500
-2
-4
-3
-2
1000
-5
-5
-5
-5
2000
-12
-10
-7
-9
4000
-22
-19
-14
-12
8000
-29
-24
-20
-19
diagram of the self noise lw due to the air flow [db]
200
self noise
ofhluk
the louvre
vlastní
žaluzieLw
Lw [dB]
pressure
loss [Pa]
tlaková ztráta
diagram of the pressure loss [Pa]
63
-3
-2
4
6
175
A
150
B
125
C
100
D
90
80
70
B
60
A
D
50
75
40
50
30
25
20
0
C
0
0
0,5
1
1,5
2
2,5
3
3,5
4
4,5
0
airrychlost
velocityvprofile
profilu AxB
AxB [m/s]
[m/s]
0,5
1
1,5
2
2,5
3
3,5
4
4,5
airrychlost
velocityv profile
[m/s]
profilu AxB [m/s]
Correction of the pressure loss by the way of air flow and type of connection
Correction according to the way of air flow and type of connection lwa
type of louvre
200
type of louvre
200
PHZE
F-IN
0,9
F-OUT
0,98
K-IN
0,9
K-OUT
1
2
F-IN
-4
F-OUT
-3
K-IN
-3
K-OUT
0
Technical Data
"300" mm dePtH
Louvre weight [kg] and free cross section [%]
Weight
Free cross
PHZE 300
per 1m2
section*
Louvre Height [mm]
kg
%
350
58
19
400
58
19
500
55
32
600
47
38
800
47
38
1000
47
38
1250
43
41
1400
43
41
1600
43
41
1800
43
41
2000
43
41
2250
43
41
2500
43
41
* valid for the whole connection dimension (AxB)
calculation: lv = 10log (10
lpv/10
Q
2
(4x π xR )
Lpv = Lw1 + 10 log
Characteristic
A
A
B
C
C
C
D
D
D
D
D
D
D
300
Lv = desired accoustic pressure at defined point
Lpv = noise dispersion in the air duct reduced by the attenuation "D" of the acoustic louvre and routing
Lpž = self noise of the louvre
dL = correction of reverberation noise in the outside (constant = 3)
lpž/10
) + dl
+ 10
Lpž = Lwž (A) + 10 log
Q
2
(4x π xR )
Lw1 = sound power lever of the system "dB(A)"
LwA = sound power of the noise source "dB(A)"
Dt = attenuation of the transmission
D = louvre attenuation
Lw1 = LwA - Dt - D
Lwž(A)= level of the louvre acoustic output at air speed given just before the louvre
R = distance of the point from the core of the louvre "m"
Q = directional coefficient (determined by the designer - most common value is 2)
Lwž(A) = Lw (diagram) + ∆ Lw + Lwa + Lwa oct (for the relevant frequency)
Louvre attenuation D [dB]
PHZE 300
attenuation [dB]
63
7
125
8
Correction of the louvre self-noise according to its surface Δ Lw [dB]
frequency [Hz]
250 500 1000 2000 4000 8000
8
17
18
19
18
19
surface of the louvre m2
0,7 0,8 1
1,5
2
4
-1,5 -1
0
1,8
3
6
PHZE 300
0,3 0,5
correction [dB] -5,2 -3
6
7,8
10
10
Correction of the louvre self-noise according to the way
of air flow and type of connection lwa oct - frequencies
F-OUT
F-IN
K-IN
F-IN
F-OUT
K-IN
K-OUT
K-OUT
125
5
3
5
1
250
7
3
5
3
500
-2
-4
-3
-2
1000
-5
-5
-5
-5
2000
-12
-10
-7
-9
4000
-22
-19
-14
-12
8000
-29
-24
-20
-19
diagram of the self noise lw due to the air flow [db]
200
vlastní
žaluzieLw
Lw [dB]
self noise
ofhluk
the louvre
pressure
loss [Pa]
tlaková ztráta
diagram of the pressure loss [Pa]
63
-3
-2
4
6
175
150
C
125
A
D
B
100
90
80
70
B
D
60
50
75
40
50
30
25
20
0
C
A
0
0
0,5
1
1,5
2
2,5
3
3,5
4
4,5
0
air rychlost
velocityvprofile
profiluAxB
AxB[m/s]
[m/s]
0,5
1
1,5
2
2,5
3
3,5
4
4,5
airrychlost
velocityv profile
profilu AxB [m/s]
[m/s]
Correction of the pressure loss by the way of air flow and type of connection
Correction according to the way of air flow and type of connection lwa
type of louvre
300
type of louvre
300
PHZE
F-IN
0,9
F-OUT
0,98
K-IN
0,9
K-OUT
1
3
F-IN
-4
F-OUT
-3
K-IN
-3
K-OUT
0
Technical Data
"400" mm dePtH
Louvre weight [kg] and free cross section [%]
Weight
Free cross
PHZE 400
per 1m2
section*
Louvre Height [mm]
kg
%
350
90
25
400
90
25
500
90
25
630
83
36
800
83
36
1000
83
36
1250
78
41
1400
78
41
1600
78
41
1800
78
41
2000
78
41
2250
78
41
2500
78
41
* valid for the whole connection dimension (AxB)
calculation: lv = 10log (10
lpv/10
Lpv = Lw1 + 10 log
Q
2
(4x π xR )
Characteristic
A
A
A
B
B
B
C
C
C
C
C
C
C
400
Lv = desired accoustic pressure at defined point
Lpv = noise dispersion in the air duct reduced by the attenuation "D" of the acoustic louvre and routing
Lpž = self noise of the louvre
dL = correction of reverberation noise in the outside (constant = 3)
lpž/10
) + dl
+ 10
Lpž = Lwž (A) + 10 log
Q
2
(4x π xR )
Lw1 = sound power lever of the system "dB(A)"
LwA = sound power of the noise source "dB(A)"
Dt = attenuation of the transmission
D = louvre attenuation
Lw1 = LwA - Dt - D
Lwž(A)= level of the louvre acoustic output at air speed given just before the louvre
R = distance of the point from the core of the louvre "m"
Q = directional coefficient (determined by the designer - most common value is 2)
Lwž(A) = Lw (diagram) + ∆ Lw + Lwa + Lwa oct (for the relevant frequency)
Louvre attenuation D [dB]
PHZE 400
attenuation [dB]
63
15
125
10
Correction of the louvre self-noise according to its surface Δ Lw [dB]
frequency [Hz]
250 500 1000 2000 4000 8000
12
22
23
23
23
24
PHZE 400
0,3 0,5
correction [dB] -5,2 -3
surface of the louvre m2
0,7 0,8 1
1,5
2
4
-1,5 -1
0
1,8
3
6
6
7,8
10
10
Correction of the louvre self-noise according to the way
of air flow and type of connection lwa oct - frequencies
F-OUT
F-IN
K-IN
F-IN
F-OUT
K-IN
K-OUT
K-OUT
125
9
9
3
2
250
6
6
-1
-2
500
-1
-1
-5
-5
1000
-2
-2
-5
-8
2000
-6
-6
-7
-8
4000
-9
-9
-11
-9
8000
-20
-20
-17
-14
diagram of the self noise lw due to the air flow [db]
200
self noise
ofhluk
the louvre
vlastní
žaluzieLw
Lw [dB]
pressure
loss [Pa]
tlaková ztráta
diagram of the pressure loss [Pa]
63
0
0
2
2
175
150
A
C
B
125
100
90
B
A
70
60
50
75
40
50
30
25
20
0
C
80
0
0
0,5
1
1,5
2
2,5
3
3,5
4
4,5
0
airrychlost
velocityvprofile
profiluAxB
AxB[m/s]
[m/s]
0,5
1
1,5
2
2,5
3
3,5
4
4,5
airrychlost
velocityv profile
[m/s]
profilu AxB [m/s]
Correction of the pressure loss by the way of air flow and type of connection
Correction according to the way of air flow and type of connection lwa
type of louvre
400
type of louvre
400
PHZE
F-IN
0,92
F-OUT
0,92
K-IN
0,9
K-OUT
1
4
F-IN
0
F-OUT
-3
K-IN
-3
K-OUT
-4
Technical Data
"600" mm dePtH
Louvre weight [kg] and free cross section [%]
Weight
Free cross
PHZE 600
per 1m2
section*
Louvre Height [mm]
kg
%
350
116
19
400
116
19
500
110
32
630
94
38
800
94
38
1000
94
38
1250
86
41
1400
86
41
1600
86
41
1800
86
41
2000
86
41
2250
86
41
2500
86
41
* valid for the whole connection dimension (AxB)
calculation: lv = 10log (10
lpv/10
Q
2
(4x π xR )
Lpv = Lw1 + 10 log
Characteristic
A
A
B
C
C
C
D
D
D
D
D
D
D
600
Lv = desired accoustic pressure at defined point
Lpv = noise dispersion in the air duct reduced by the attenuation "D" of the acoustic louvre and routing
Lpž = self noise of the louvre
dL = correction of reverberation noise in the outside (constant = 3)
lpž/10
) + dl
+ 10
Lpž = Lwž (A) + 10 log
Q
2
(4x π xR )
Lw1 = sound power lever of the system "dB(A)"
LwA = sound power of the noise source "dB(A)"
Dt = attenuation of the transmission
D = louvre attenuation
Lw1 = LwA - Dt - D
Lwž(A)= level of the louvre acoustic output at air speed given just before the louvre
R = distance of the point from the core of the louvre "m"
Q = directional coefficient (determined by the designer - most common value is 2)
Lwž(A) = Lw (diagram) + ∆ Lw + Lwa + Lwa oct (for the relevant frequency)
Louvre attenuation D [dB]
PHZE 600
attenuation [dB]
63
7
125
9
Correction of the louvre self-noise according to its surface Δ Lw [dB]
frequency [Hz]
250 500 1000 2000 4000 8000
12
26
27
25
27
29
PHZE 600
0,3 0,5
correction [dB] -5,2 -3
surface of the louvre m2
0,7 0,8 1
1,5
2
4
-1,5 -1
0
1,8
3
6
6
7,8
10
10
Correction of the louvre self-noise according to the way
of air flow and type of connection lwa oct - frequencies
F-OUT
F-IN
K-IN
F-IN
F-OUT
K-IN
K-OUT
K-OUT
200
175
A
150
125
9
9
3
2
250
6
6
-1
-2
500
-1
-1
-5
-5
1000
-2
-2
-5
-8
2000
-6
-6
-7
-8
4000
-9
-9
-11
-9
8000
-20
-20
-17
-14
diagram of the self noise lw due to the air flow [db]
vlastní
žaluzieLw
Lw [dB]
self noise
ofhluk
the louvre
pressure
loss [Pa]
tlaková ztráta
diagram of the pressure loss [Pa]
63
0
0
2
2
B
C
D
125
100
90
A
70
C
B
60
50
75
40
50
30
25
20
0
D
80
0
0
0,5
1
1,5
2
2,5
3
3,5
4
4,5
0
air rychlost
velocity vprofile
profiluAxB
AxB[m/s]
[m/s]
0,5
1
1,5
2
2,5
3
3,5
4
4,5
airrychlost
velocityv profile
profilu AxB [m/s]
[m/s]
Correction of the pressure loss by the way of air flow and type of connection
Correction according to the way of air flow and type of connection lwa
type of louvre
600
type of louvre
600
PHZE
F-IN
0,92
F-OUT
0,92
F-IN
0,9
F-OUT
1
5
K-OUT
0
K-IN
-3
F-OUT
-3
F-IN
-4
Technical Data
example of calculation:
calculation: lv = 10log (10lp /10 + 10lp /10) + dl
metHodicS of deSigNiNg acouStic louVer
v
Lpv = Lw1 + 10 log
ž
Q
2
(4x π xR )
Lpž = Lwž (A) + 10 log
Q
2
(4x π xR )
Lw1 = LwA - Dt - D
R = distance of
the point from
Lv = desired accoustic pressure at defined point
Lpv = noise dispersion in the air duct reduced by teh attenuation "D"
of the acoustic louvre and routing
Lpž = self noise of the louvre
dL = correction of reverberation noise in the outside (constant = 3)
the core of the
Lwž(A) = Lw (diagram) + ∆ Lw + Lwa + Lwa oct
louvre (m)
Lw1 = sound power lever of the system "dB(A)"
LwA = sound power of the noise source "dB(A)"
Dt = attenuation of the transmission
D = louvre attenuation
Lwž(A)= sound power level of the louvre at defined air stream
speed right in front of the louvre
R = distance of the point from the core of the louvre "m"
Q = directional coefficient (determined by the designer
- most common value is 2)
example of calculation:
To design the louvre based on the parameters of the source of the noise in order to achieve the value of 60 dB(A) in distance
of 3m from the louvre.
Depth of louvre 300 MM - selected size 1000/1000 MM
Air mass 5500 m3/h
Type of installation K-OUT
Directional coeficient of sound reflection Q=2
Calculation
63
125
250
500
1000
2000
4000
8000
LwA - Source of the noise
79
80
81
81
79
77
72
66
Dt - attenuation of the transmittion
1,8
800 mm
m
1,880
0,9
0,5
0,5
0,5
0,5
0,5
17
18
19
18
19
D - attenuation of the louvre
7
630 mm
8
8 22mm
Lwž(A) - self noise of the louvre
46,5
41,5
43,5
38,5
35,5
31,5
28,5
25
tot
lv - acoustic pressure [db(a)]
52,7
52,7
54,6
46
43
40
36
29
58,7
Pressure loss according to the diagram: 17 Pa x correction for K-OUT
example of calculation
in the software
PHZE
6
Technical Data
calculatioN Software
In order to simplify the selection of the louvres and other insulating
products based on the complex noise situation and the source
of the noise, the manufacturer created the computer software
Cell silencers
JTHE
VLASTNÍ HLUK TLUMIČŮ HLUKU
Vlastní hluk tlumičů Glideflow
je s porovnáním s tlumiči
standardní konstrukce
výrazně nižší, který je
zajištěn díky speciální
aerodynamickému tvaru
tlumiče.
Vlastní hluk tlumičů hluku
je měřen dle CSN ISO 7235
akreditovanou akustickou
laboratoří.
Uvedená data jsou platná
pro 1m2 plochy.
MONTÁŽ TLUMIČŮ DO POTRUBÍ - SPOJOVÁNÍ A KOTVENÍ TLUMIČE
Vlastní hluk tlumiče Lw
čelní
rychlost
m/s
63
125
250
500
2000
4000
8000
3
34
31
28
22
20
16
12
<10
<10
5
46
43
38
32
29
26
22
19
16
32
1000
7
54
50
46
39
36
32
29
27
24
9
60
55
52
44
42
38
34
32
29
11
66
60
56
49
47
42
38
36
33
13
69
64
61
54
51
47
43
40
15
73
68
65
57
54
50
46
43
41
17
77
71
68
60
57
53
50
47
44
19
81
74
70
63
59
55
51
49
46
37
KOREKCE pro (A)
32
-39
63
125
-26
-16
250
500
-9
-3
1000
2000
0
1
4000
8000
1
-1
dB
0,2
0,4
0,6
-7
-4
-3
0,8
1,0
-1
0
2,0
3,0
4,0
3
5
6
6,0
8,0
7
9
PŘÍKLAD VÝPOČTU
Příklad: vzt jednotka 9000 m3/h , potrubí -rychlost 5 m/s, navrhnuté tlumiče GDE 200
Požadavek navrhnout tlumič, aby za tlumičem byl hluk 65 dB.
Vzt jednotka – zdroj hluku Lw (A)
www.stavoklima.eu
Utlum tlumiče
32
63
61
68
125
250
500
1000
2000
4000
8000
60
75
77
74
69
65
64
17
38
43
46
37
23
19
26
22
19
16
30
29
41
41
2
7
Vlastní hluk tlumiče
46
43
38
32
29
Výsledek za tlumičem hluku
59
61
58
40
33
GS
GCS
U tlumičů hluku vyšších než 1000 mm je nutné provést osazení
tlumiči dílčí výšky a provést spojení pomocí čelních a bočních spojek.
Čelní spojka – GCS 100, 200.
Boční spojka – GS universální pro velikost 100 a 200 mm.
tlumiče umístěny
v potrubí od
výrobce
PGDE
-
Typ osazeného tlumiče
GD - kulisa s rezonátory
GDE - kulisa absorbční
GDH - kulisa s rezonátory
hyg. Provedení
GDHE - kulisa absorbční
hygienické provedení
GDX - jiné provedení
www.stavoklima.eu
(teplotní odolnost,
nerez. Provedení atd.)
900
/
900
Šířka
potrubí
MM
500
-1000
500
Výška
potrubí
MM
1000
Délka
potrubí
MM
/
GD
-
200
šířka
100
200
Jádrové tlumiče hluku
JTH
/
500
výška
100-1000
/
Deskové tlumiče hluku
Glideflow - GDE
1000
Pro účely snadného návrhu a výběru vhodných tlumičů hluku
v závislosti na zdroji hluku a komplexní hlukové situace v potrubí
byl vyvinut výrobcem speciální program pro výpočet -
Kontakt:
vertikálně
správné umistění deskových
tlumičů hluku
N3
N3
Počet
tlumičů
umístěných
v potrubí
délka
500-2500
JTHE
horizontálně
deskové tlumiče hluku GDE
nelze umisťovat horizontálně
-
www.stavoklima.eu
Typ tlumiče
GD - kulisa s rezonátory
GDE - kulisa absorbční
GDH - kulisa s rezonátory
hyg. Provedení
GDHE - kulisa absorbční
hygienické provedení
GDX - jiné provedení
(teplotní odolnost,
nerez. Provedení atd.)
UMÍSTĚNÍ TLUMIČŮ HLUKU DO POTRUBÍ NEBO STAVEBNÍHO OTVORU
T200
T200
Šířka
osazeného
tlumiče
VÝPOČETNÍ PROGRAM
KLÍČ PRO TLUMIČE:
TOT hluk za tlumičem – 64 dB(A) => Tlumič splnuje požadovaný výsledek
Jádrové tlumiče hluku
Montáž tlumičů hluku do potrubí se provádí samořeznými
šrouby nebo nýty. Při umístování tlumiče je nutno dbát na
přesném rozmístění a dodržení vzdálenosti mezi tlumiči.
KLÍČ PRO TLUMIČE INTEGROVANÉ DO POTRUBÍ:
KOREKCE pro plochu potrubí dB
AxB (m2)
fm v HZ
Panel silencers
Glideflow - GDE
GLIDEFLOW
Cell silencers
JTH
STAVOKLIMA V.O.S.
HORNÍ 22 • CZ-370 04 • ČESKÉ BUDĚJOVICE
tel.: +420 387 428 990, +420 387 438 912
fax: +420 387 001 950
e-mail: [email protected]
http://www.stavoklima.eu
LW dB
p
P kW
LW dB
p
P kW
Technické změny vyhrazeny I www.stavoklima.eu
KEY FOR AN ORDER:
-
1250
/
1000
/
200
„Width“
„Height“
„Depth“
200 ÷ 2500
mm
350 ÷ 2500
mm
200 mm
300 mm
400 mm
600 mm
Representative:
/
RAL9010
/
„Colour
finish“
„Material finish“
standard
RAL 9010
(white)
All RAL range
XX
Zn - zinc-coated metal
sheet
Al - sheet aluminium
Ni - stainless steel
XX - different finish
(yellow brass,
copper, etc.)
StaVoklima V.o.S.
HORNÍ 22 • CZ-370 04 • ČESKÉ BUDĚJOVICE
tel.: +420 387 001 946, +420 387 001 931
fax: +420 387 001 950
e-mail: [email protected]
http://www.stavoklima.eu
PHZE 02/11-An
PHZE

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