DESCRIPTION:
YKM-DD : Double deflection supply circular duct grilles, with adjustable
horizontal and vertical blades, inclined hit and miss damper and circular
shaped frame.
YKM-DT : Single deflection Return Grilles, with adjustable horizontal or
vertical blades and circular shaped frame.
MATERIAL :
Specially extruded from 6063 aluminium profile.
FUNCTION :
It is used as air extraction grille in air ventilation systems.
FINISHING :
·
Standard colours are RAL 9010 and
RAL 9016
·
Other colours are available with
enamel paint.
INSTALLATION :
·
System with screws is standard.
·
No fixing.
ACCESSORIES:
·
If desired, it is possible to add
a damper to adjust the amount of air to be collected.
PKD: Parallel Blade Damper
ZKD: Opposite Blade Damper
HKD: inclined Blade hit Damper
STANDARD SIZES (mm) :
W : 325 – 425 – 525 – 625 – 825 – 1025 - 1225
H : 75 – 125 – 175 - 225
* Any combination of these
sizes
FRAME TYPES :
YKM-TM FRAMES:
28mm Frame
22mm
Frame 32mm
Frame
YKM-DM FRAMES:
22mm Frame
32mm
Frame 28mm Frarme
DRAWINGS :
YKM-D
CIRCULAR FRAME:
YKM-SUPPLY SELECTION TABLE:
YKM-RETURN SELECTION TABLE :
MAXIMUM
HEIGHT MEASUREMENTS ACCORDING TO THE DIRECTIONS:
|
|
Round Duct Diameter (mm) |
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Ø
(mm) |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
550 |
600 |
900 |
1200 |
|
Hmax.(mm) |
75 |
75 |
100 |
100 |
125 |
125 |
150 |
150 |
150 |
200 |
250 |
ROUND
DUCT DIAMETER YKM SELECTION TABLE:
ROUND
DUCT GRILLES SELECTION:
YKM-D EFFECTIVE AREA Ak (m2) :
Table-1
YKM-T EFFECTIVE AREA Ak (m2) :
Table-2
SUPPLY
ROUND DUCT GRILLE:
Diagram-1
Table-3
Table-4 Different Wing Angles for Correction
Table Table-5
Vt for Correction Table
AIR FALL DIAGRAM:
Diagram-2
AIR FALL
Description
:
The
total air drop is the vertical distance between the air drop center and the
lowest point to the air drop Vt (m / s). Total air loss consists of two
components.
Ld = Lds + Ldt
Diagram-3
TL / TZ : Temperature Change
|
TL (K) : Maximum temperature difference between room temperature and air
temperature |
|
Tz (K) :
Maximum temperature difference between room temperature and distributor air
temperature |
|
I : induction |
RETURN
ROUND DUCT GRILLE:
Diagram – 4
Table-6
MOUNTING
DETAILS
ROUND DUCT
GRILLES ORDER CODE
|
YKM -
T |
PKD |
FB9010 |
VD |
W
2000X100 |
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W:
Neck Size |
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C:
Frame Size |
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T : Return - SINGLE
DEFLECTION GRILLES |
00:
without Mounting |
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D : Supply
- DOUBLE DEFLECTION GRILLES |
VD:
Screw Mounting |
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000: without Damper |
00:
without coating |
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HKD: inclined Blade hit
Damper |
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PKD: Parallel Blade Damper |
FB----:
Powder Coated RAL |
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