曝光臺(tái) 注意防騙 網(wǎng)曝天貓店富美金盛家居專營(yíng)店坑蒙拐騙欺詐消費(fèi)者

Birdguards: 1.2mm diameter galvanized wire mesh
Security Guards: 16mm diameter mild steel bars PPC finished
Insect Mesh: Woven aluminium
Fusible Link Shields
Internal Closure Pieces
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Control options
Electric: 24V DC or 230V AC
Pneumatic
Manual
Thermal Release Devices: bi-metal and manual reset bimetallic switch
Note
Plastisol cladded units should not be used in smoke control applications.
Energy Saving Features
Insulation
The osr range can be supplied with both insulated louvres and insulated
bodies. The comparative U-Values for the available louvre specifications
are shown below:
U-Values
Louvre Specification U-Value (W/m2/°K)
1.5mm mill finish aluminium or 0.7mm Plastisol 6.00
Double-skin aluminium with 25mm polyurethane insulation 0.56
2mm double-skin translucent polycarbonate 1.75
In addition, louvre blade edges and sides are fitted with pile weather seals
to reduce heat loss.
Natural Lighting
The polycarbonate louvre option provides excellent daylighting using a
durable UV stabilised material.
When closed, the osr provides an average diffused light transmission in
excess of 80%, enabling savings on artificial lighting.
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Image courtesy of Gradwood Ltd
osw wall
mounted version
osw ventilators at Airbus, Broughton, Chester
Roof sheet
Installation
The osr is suitable for fixing into a variety of applications. The unit is
supplied in two parts to facilitate the installation procedure; the base
flange and the louvre box assembly.
The ventilator can be installed:
onto weathered roof upstands
direct onto roof sheeting
into roof glazing
The osw, the wall-mounted version, can be supplied without a base flange
for fitting in a recessed arrangement to enable installation flush with the
building line. Fixing flanges and glazing adaptors can be supplied if required.
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Roof upstand
Fixing Details
Typical fixing details are shown above for:
Sheeted roof construction with 1800mm purlin spacing
Roof upstand fixing
Fixing details can be provided for a variety of applications,
including wall openings.
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osr features and applications
Brush pile seals
Brush pile seals
Nylon pivot bushes
Blade drain gutter
Optional translucent blades
for daylighting. Double skin
clear polycarbonate
Optional insulated blades
Continuous
non-blocking
drainage slot
Optional bird or
burglar guard
Wide perimeter internal
drainage gutter
Standard fusible link or
electro thermal link
Operation: Pneumatic cylinder,
electric motor or manual pulley
Optional body insulation
aluminium clad
Base unit construction 1.5mm
corrosion resistant aluminium
Optional curb upstand/trimmer
for deck and felted roofs
Free area dimensions in m2
Width Code 05 06 07 08 09 10 11 12
Vent Width B (mm) 500 600 700 800 900 1000 1100 1200
Length Code Vent Length A (mm) Av AvCv Av AvCv Av AvCv Av AvCv Av AvCv Av AvCv Av AvCv Av AvCv
04 870 0.28 0.23 0.35 0.28 0.42 0.33 0.49 0.38 0.56 0.42 0.63 0.47 0.70 0.52 0.77 0.57
05 1070 0.36 0.29 0.45 0.35 0.54 0.41 0.63 0.47 0.72 0.53 0.81 0.59 0.90 0.65 0.99 0.72
06 1270 0.45 0.35 0.56 0.42 0.66 0.49 0.77 0.56 0.88 0.63 0.99 0.70 1.10 0.77 1.21 0.85
07 1470 0.53 0.40 0.66 0.49 0.79 0.58 0.92 0.66 1.04 0.74 1.17 0.82 1.30 0.91 1.43 1.01
08 1670 0.61 0.48 0.76 0.57 0.91 0.67 1.06 0.76 1.21 0.86 1.36 0.95 1.50 1.05 1.65 1.14
09 1870 0.69 0.53 0.86 0.64 1.03 0.76 1.20 0.87 1.37 0.98 1.54 1.07 1.71 1.19 1.88 1.30
10 2070 0.77 0.60 0.96 0.72 1.15 0.84 1.34 0.96 1.53 1.08 1.72 1.20 1.91 1.32 2.01 1.47
11 2270 0.86 0.67 1.07 0.80 1.27 0.94 1.48 1.07 1.69 1.21 1.90 1.34 2.11 1.47 2.32 1.63
12 2470 0.94 0.73 1.17 0.87 1.40 1.04 1.63 1.19 1.85 1.33 2.08 1.48 2.31 1.63 2.54 1.81
13 2670 1.02 0.80 1.27 0.96 1.52 1.14 1.77 1.30 2.02 1.47 2.27 1.63 2.51 1.79 2.76 1.99
14 2870 1.10 0.88 1.37 1.05 1.64 1.23 1.91 1.40 2.18 1.58 2.45 1.78 2.72 1.96 2.99 2.14
15 3070 1.19 0.94 1.47 1.12 1.76 1.31 2.05 1.50 2.34 1.71 2.63 1.90 2.92 2.09 3.21 2.28
16 3270 1.27 1.00 1.58 1.20 1.88 1.40 2.19 1.62 2.50 1.82 2.81 2.03 3.12 2.23 3.43 2.43
17 3470 1.35 1.06 1.68 1.27 2.01 1.51 2.34 1.72 2.66 1.94 2.99 2.15 3.32 2.37 3.65 2.58
Width Code 13 14 15 16 17 18 19 20
　
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