|Place of Origin:||CHINA|
|Certification:||ISO14001, ISO 9001,CE,SGS|
|Minimum Order Quantity:||1 set or 1 unit|
|Packaging Details:||safety package for transporation|
|Delivery Time:||within 7 - 20 workdays after recevided the deposit|
|Payment Terms:||L/C, D/A, D/P, T/T, Western Union|
|Supply Ability:||10000 units per month|
|Type:||All Steel Structure Walk In Fume Hood||Exhaust System:||CAV (constant Air Volume)|
|External Size:||1200/1500/1800*800*2350mm Or Other||Front Window:||Manual|
|Exhaust Fan:||FRP Inclined Flow Fan Or Other||Cabinet:||1.0mm Thick Cold-rolled Steel With Coating|
|Voltage:||220V Or 380V||Air Valve:||Manual Or Electric|
|Ventilation Ducts:||PVC Material, FPR, PP Or Other||Gas Fitting:||Brass Body With Epxoy Resin Powder Coating|
|Socket:||USA, China, Europe Standard||GW:||280-400 Kg|
All steel structure chemical walk in fume hood safety with CAV exhaust system
Ventilation cabinet (fume hood) is an important part of the laboratory equipment, it is a kind of effective local ventilation. Ventilation cabinet can make experiment operator and laboratory other workers away from the toxic gases, chemical reagents in the laboratory environment infringement, in ensuring the safety of the lab environment and overall functional play a vital role.
A fume hood is typically a large piece of equipment enclosing five sides of a work area, the bottom of which is most commonly located at a standing work height.
Two main types exist, ducted and recirculating (ductless). The principle is the same for both types: air is drawn in from the front (open) side of the cabinet, and either expelled outside the building or made safe through filtration and fed back into the room. This is used to:
protect the user from inhaling toxic gases (fume hoods, biosafety cabinets, glove boxes)
protect the product or experiment (biosafety cabinets, glove boxes)
protect the environment (recirculating fume hoods, certain biosafety cabinets, and any other type when fitted with appropriate filters in the exhaust airstream)
Secondary functions of these devices may include explosion protection, spill containment, and other functions necessary to the work being done within the device.
Fume hoods are generally set back against the walls and are often fitted with infills above, to cover up the exhaust ductwork. Because of their recessed shape they are generally poorly illuminated by general room lighting, so many have internal lights with vapor-proof covers. The front is a sash window, usually in glass, able to move up and down on a counterbalance mechanism. On educational versions, the sides and sometimes the back of the unit are also glass, so that several pupils can look into a fume hood at once. Low air flow alarm control panels are common, see below.
Fume hoods are generally available in 5 different widths; 1000 mm, 1200 mm, 1500 mm, 1800 mm and 2000 mm. The depth varies between 700 mm and 900 mm, and the height between 1900 mm and 2700 mm. These designs can accommodate from one to three operators.
For exceptionally hazardous materials, an enclosed glovebox may be used, which completely isolates the operator from all direct physical contact with the work material and tools. The enclosure may also be maintained at negative air pressure to ensure that nothing can escape via minute air leaks.
The detail materials and accessories as follow.
|Type||All steel structure walk in fume hood|
|Tops||Walk-in fume hood without worktops|
1.0mm thick cold-rolled steel with 75μm epoxy resin powder coating
Transparent tempered glass, explosion-proof (manual)
|Opening height||20-1500 mm|
Touch, intelligent control panel (can control lights, sockets, exhaust fan etc)
|Gas valve||Brass body with epxoy resin powder coating|
|Socket||USA, China, Europe standard etc|
Embedded aluminum alloy handle
CAV exhaust system (Constant air volume)
|Ventilation ducts||PVC material, FPR, PP or other|
Manual or electric
|Gross weight||280-400 kg|
|Average wind speed||0.3-0.6m/s adjustalbe|
|Power||(Single-phase) 220V/50HZ or (Three-phase) 380V/50HZ|
|Exhaust air rate||1500-3500m3/h|
|Noise level||< 60dB(A)|
|Exhaust fan||Inclined flow fan (The installation principle is the same as air conditioning)|
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