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S P E C I F I C A T I O N S S U B J E C T T O C H A N G E
Te l : Sa les 01942 889555 I Web: www.grada.co.uk
section15
VALVESTYPE: V-061
Installation dimensions
ApplicationThe V-060 valves are used for airexhaust and/or supply in ventilation-systems. They can be mounted in awall, a ceiling or beneath exposed airducts. Their principal field of applica-tion are offices, hospitals, nursing-homes and hotels.The removable interior and the smoothsurface make the valve easy to clean.
Size 100 125 160 200
Ø A 100 125 160 200
Ø B 135 165 200 250
C 10 10 10 12
All dimensions in mm
øA
øB
46C
VA061
øA
46C
øB
VT061
Technical informationCharacteristics
• VT: central disc attached to athreaded rod
• VA: the disc is placed in a conicalring and attached to a threadedrod
• easy air flow adjustment by con-tinuous regulation
• easy to clean
Construction
VA/VT: steel sheet, painted white(RAL 9010), mounting ring in gal-vanised steel sheet
S P E C I F I C A T I O N S S U B J E C T T O C H A N G E
Te l : Sa les 01942 889555 I Web: www.grada.co.uk
section15
VALVESTYPE: V-061
FixingSpecifications description Delivery possibilities
How to order
• VA/VT: direct fixing into the ductby means of friction springs or withthe mounting ring. First the mount-ing ring has to be fixed into theduct outlet before the valve ispushed into the ring.
• Airflow adjustment by turning thecentral disc. Once the adjust-ment is made, lock the disc bymeans of the counternut at theback.
• VA061: steel exhaust valve withmounting ring
• VT061: steel supply and exhaustvalve with mounting ring
Example:
Circular steel valve for air exhaustmade out of white polypropylene withadjustable interior for the regulation ofthe air flow.The desired position can be locked bymeans of a counternut. Interior isremovable from mounting ring.
Type: VA061Size … mm
V A 0 6 1 - - 0 2 0 0 - - - -
size
1:with mounting ring
A: exhaust: steelT: exhaust and supply: steel
VA061 with mounting ring, size 200 mm
-: white (RAL 9010)F: other RAL-colors
S P E C I F I C A T I O N S S U B J E C T T O C H A N G E
Te l : Sa les 01942 889555 I Web: www.grada.co.uk
section15
VALVESTYPE: VA061
Selection diagram - exhaust
D +
D -
D=-14 (mm) -12 -9 -5 0 5
NR25
NR30
NR35
NR20
NR40
0.0
03
0.0
06
0.0
08
0.0
1
0.0
2
0.0
4
10
20
30
40
50
60
70
8090100
150
200
250
300
10
20
30
40
50
60
70
80
90
100
15
0
20
0
250
30
0
15
0.0
8
0.0
3
0.0
6 q (m3/s)v
q (m3/h)v
D=-15 (mm) -12 -9 -6 -3 0
5
NR25
NR30
NR35
NR40
NR20
NR15
0.0
03
0.0
06
0.0
08
0.0
1
0.0
2
0.0
4
10
20
30
40
50
60
70
8090100
150
200
250
300
10
20
30
40
50
60
70
80
90
100
15
0
200
25
0
300
15
0.0
8
0.0
3
0.0
6 q (m3/s)v
q (m3/h)v
D=-23 (mm) -20 -15 -10
10
20
-5 0
NR25
NR20
NR30
NR35
NR40
NR45
0.0
03
0.0
06
0.0
08
0.0
1
0.0
2
0.0
4
30
0
10
20
30
40
50
60
70
8090100
150
200
250
300
10
20
30
40
50
60
70
80
90
10
0
15
0
20
0
25
0
15
0.0
8
0.0
3
0.0
6
50
0
40
0
60
0
70
0
0.1
0.1
5
0.2 q (m3/s)v
q (m3/h)v
D=-18 (mm) -15 -10 -5
0
6
NR25
NR30
NR35
NR40
NR20
0.0
03
0.0
06
0.0
08
0.0
1
0.0
2
0.0
4
10
20
30
40
50
60
70
8090100
150
200
250
300
10
20
30
40
50
60
70
80
90
10
0
15
0
20
0
25
0
30
0
15
0.0
8
0.0
3
0.0
6 q (m3/s)v
q (m3/h)v
mm 521 eziSmm 001 eziS
mm 002 eziSmm 061 eziS
D = opening for air in mm
∆ Pt
∆ Pt∆ Pt
∆ Pt
S P E C I F I C A T I O N S S U B J E C T T O C H A N G E
Te l : Sa les 01942 889555 I Web: www.grada.co.uk
section15
VALVESTYPE: VT061
max.D
min.D
D=3 (mm) 5 7 9 12
NR20
NR25
NR30
NR35
NR40
10
0.0
03
0.0
06
0.0
08
0.0
1
0.0
2
0.0
4
20
30
40
50
60
70
8090100
150
200
250
300
10
20
30
40
50
60
70
80
90
100
150
200
250
300
15
0.0
8
0.0
3
0.0
6 q (m3/s)v
q (m3/h)v
D=3 (mm) 5 7 9 12
15
NR20
NR25
NR30
NR35
NR40
0.0
03
0.0
06
0.0
08
0.0
1
0.0
2
0.0
4
10
20
30
40
50
60
70
8090100
150
200
250
300
10
20
30
40
50
60
70
80
90
10
0
150
200
250
30
0
15
0.0
8
0.0
3
0.0
6
500
400
0.1 q (m3/s)v
q (m3/h)v
D=3 (mm) 5 7 9 12
NR20
NR25
NR30
NR35
NR40
0.0
03
0.0
06
0.0
08
0.0
1
0.0
2
0.0
4
10
20
30
40
50
60
70
8090100
150
200
250
300
10
20
30
40
50
60
70
80
90
10
0
15
0
20
0
25
0
30
0
15
0.0
8
0.0
3
0.0
6
50
0
40
0
60
0
70
0
0.1
0.1
5
0.2 q (m3/s)v
q (m3/h)v
D=4 (mm) 6 7 9
12
NR20
NR25
NR30
NR35
NR40
0.0
03
0.0
06
0.0
08
0.0
1
0.0
2
0.0
4
10
20
30
40
50
60
70
8090100
150
200
250
300
10
20
30
40
50
60
70
80
90
10
0
15
0
20
0
25
0
30
0
15
0.0
8
0.0
3
0.0
6
50
0
40
0
60
0
70
0
0.1
0.1
5
0.2 q (m3/s)v
q (m3/h)v
mm 521 eziSmm 001 eziS
mm 002 eziSmm 061 eziS
D = opening for air in mm
Selection diagram - supply
∆ Pt
∆ Pt∆ Pt
∆ Pt
S P E C I F I C A T I O N S S U B J E C T T O C H A N G E
Te l : Sa les 01942 889555 I Web: www.grada.co.uk
section15
AIR EXHAUST FIRE DAMPER VALVETYPE: VF061
VF061 Air Exhaust Fire Damper Valve
Model KSO-P is acombination fire damperand air valve for exhaustair ventilation systems.
The damper blade willclose when thetemperature in the vicinityof the valve reaches thefusible link rating -standard temperature70ºC. (Alternative releasetemperatures of 50ºC and100ºC available to special order).
Adjustment of the airflow is simple, the inner conebeing rotated to the required setting and locked inposition with a single nut. Each air valve is suppliedcomplete with a mounting ring from which it can besimply removed for cleaning without affecting the settingof the valve.
SizesThe Model KSO-P is manufactured in five sizes, 100,125, 150, 160, and 200mm (external diameter ofmounting ring).
Plastic supply and extract valves are also available.
Product ø D (mm) A (mm) Weight (g)
KSO-P 100 134 74 305
KSO-P 125 160 85 390
KSO-P 150 191 89 575
KSO-P 160 191 89 575
KSO-P 200 241 107 765
