TECHNICAL CATALOGUE

Weather LouvreMetal

TECHNICAL CATALOGUE

OPTIONAL EXTRASꞏ A variety of painted/powder coated finishes are available upon request.ꞏ Available on request with concealed fixing, punched and countersunk or unpunched.ꞏ Plastic Mesh

WEATHER LOUVRE

1 | TECHNICAL CATALOGUE | METAL GRILLES & DIFFUSERS

WEATHER LOUVRE

DIMENSIONSꞏ Standard Frame = 50mmꞏ Standard Blade space = 39mm

FRAME OPTIONSꞏ 12mmꞏ 22mmꞏ 50mm

BLADE OPTIONSꞏ 75mmꞏ 50mm

STANDARD SIZESꞏ 200 x 200ꞏ 300 x 300ꞏ 400 x 400

FINISHING OPTIONSꞏ (NA) = Natural Anodised ꞏ (PC) = Powder Coatedꞏ (WS) = Wet Spray

Weather Louvre manufactured of extruded Type 50S anodising grade aluminium. The fIxed horizontal blades are held in place by screws. Blades are spaced 39mm apart.

OVE

R N

ECK

(ON

)

56

OVE

R FL

ANG

E (O

F)

43.76.3

50.3

039

9.5

WALL

TERMINOLOGYꞏ OF = Over Flangeꞏ ON = Over Neckꞏ HS = Hole Sizeꞏ NA = Natural Anodisedꞏ PC = Powder Coatedꞏ WS = Wet Spray

Wall

Wall

Opening

OTHERTERMINOLOGY1.Clear Opening 2. Hole Size3. Opening4. Duct Size

Mes

h

SELECTION DATA

WEATHER LOUVRE

TECHNICAL CATALOGUE | METAL GRILLES & DIFFUSERS | 2

m/s

NR

1.25

0.160.14

0.120.10.090.080.070.06

0.05

0.0250.03

0.0350.040.0450.05

0.060.070.080.090.10.120.140.160.180.2

0.25

0.30.35

0.4

0.5

0.70.6

0.80.91

1.21.41.61.82

2.5

3.75

30

2025

3540

45

55

50

3.5 3

0.180.2

0.25

0.3

0.4

0.50.60.70.80.91.0

1.21.41.61.82

2.53

4

5

678910

1.5 2 2.5 3 3.5 4

EXAMPLEVolume - 0,4m3/s Velocity: 2.5m/sResult: 0.16m/2OR: 400mm x 400mmNR: 35PRESSURE LOSS: 30PA

1009080706050

40

30

25

20

15

10

10

IIntake Air

IIReject Air

98765

4

3

2.5

2

1.5

1

8

JohannesburgAdvantage Air Africa Pty Ltd

T: +27 11 201 0600F: +27 11 450 4317E: sales@advantageair.co.za

Cape TownAdvantage Air

T: +27 21 551 8411 / 551 8312F: +27 21 551 8402E: sales@advantageair.co.za

DurbanAdvantage Air

T: +27 31 579 4615F: +27 31 579 3903E: sales@advantageair.co.za

SOUTH AFRICA