Laboratory Acid & Alkali Resistant Fireproof Explosion Proof Heat Resistant Chemical Fume Hood

• Material: Stainless Steel
• Type: Slit Type
• Function: Exhaust, Velocity Control
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: WJ-1800A
• Feature: Corrosion Resistance, Heat Resistant, Acid & Alkali Resistant, Fireproof, Explosion Proof
• Hood Type: Standard
• Color: Grey
• Customized: Customized
• Condition: New
• Product Name: Ducted Fume Hood
• Work Surface: Ceramic
• Interior Baffle: Ceramic/Ceramic Fiber
• Airflow: Ceramic Fiber
• Liner Material: Ceramic Fiber
• Sash: Tempered Glass/Laminated Glass
• Cabinet: Multi-Layer Solid Wood
• Application: Environment/Institute/Biology Lab/Chemical Lab
• Transport Package: Standard Export Wooden Case Packing
• Specification: 1800*1205*2400 MM
• Trademark: Ample
• Origin: Chengdu, China
• HS Code: 8414809090
• Production Capacity: 200 Set/Month
• Package Size: 1900.00cm * 900.00cm * 2100.00cm
• Package Gross Weight: 500.000kg

Product Description

Product Description

A fume hood (sometimes called a fume cupboard or fume closet) is a type of local ventilation device that is designed to limit exposure to hazardous or toxic fumes, vapors or dusts.

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.

Product Parameters

  

Model Parameters	YT-1500A	YT-1500B	YT-1500C	YT-1800A	YT-1800B	YT-1800C
Size (mm)	1500(W)*865(D)*2400(H)			1800(W)*1205(D)*2400(H)
Worktop Size (mm)	1260(W1)*795(D1)*1100(H1)			1560(W1)*795(D1)*1100(H1)
Worktop	20+6mm Ceramic	20+6mm Ceramic	12.7mm Solid Physiochemical Board	20+6mm Ceramic	20+6mm Ceramic	12.7mm Solid Physiochemical Board
Liner	5mm Ceramic Fibre	5mm Compact Laminate	5mm Compact Laminate	5mm Ceramic Fibre	5mm Compact Laminate	5mm Compact Laminate
Diversion Structure	Back Absorption
Control System	Touch-Tone Control Panel (LED Screen)
Input Power	220V/32A
Fan Power	Less than 2.8 A
Socket Max. Load	5KW
Faucet	1 Set
Drainage Mode	Natural Fall
Storage	Double-Lock, Corrosion-Resistant, Damp-proof, Multi-layer Solid Wood with Mobile Wheel
Application	Indoor No-blast, 0-40 ºC
Application Field	Organic Chemical Experiment
Face Velocity Control	Manual Control
Average Face Velocity	0.3-0.5 m/s  Exhaust: 720-1200m³/h			0.3-0.5 m/s  Exhaust:900- 1490m³/h
Face Velocity Deviation	Less than 10%
Average Illumination	Less than 500  Lux
Noise	Within 55 dB
Exhaust Air	No Residue
Safety Test	In Accord with International Standard
Resistance	Less than 70Pa
Add Air Function	Distinctive Structure (Need Exclusive Add Air System)
Air Flow Control Valve	Dia. 250mm Flange Type Anti-Corrosion Control Valve			Dia. 315mm Flange Type Anti-Corrosion Control Valve

More About the Fume Hood

Every fume hood needs a blower, and it is often misconceived that a blower comes attached to a fume hood. Will there be a dedicated blower (exhaust fan) for this hood, or will it connect to a central exhaust system? If it connects to a central system, will it be constant volume or variable air volume?

Built-in blowers are easier to install (and therefore less expensive), but they can be noisy and they put the ductwork under positive pressure, so they should be reserved for non-hazardous applications, short duct runs and instances where a remote blower cannot be installed (such as a mobile lab).

Remote blowers, though more complex to install, can be sized for the specific situation and keep the ductwork under negative pressure for safer operation.

Will the duct go directly to the roof, or does it need to make some turns before reaching the roof? What diameter of duct will be used? Once the duct penetrates the roof, a final 90-degree elbow will be needed to turn the duct horizontal, then three to five feet of straight duct is needed between the elbow and blower.

Finally, the exhaust stack should include a zero-pressure weathercap (not a gooseneck, mushroom cap or anything that would block the exhaust from discharging in a vertical, up direction), and should terminate at least 10 feet above the roofline to allow the fumes to reach the airstream and not be returned into the building's air handling equipment.

Detailed Photos

               

 

Fume Hood Maintenance

• Hoods should be evaluated by the user before each use to ensure adequate face velocities and the absence of excessive turbulence.

• In case of exhaust system failure while using a hood, shut off all services and accessories and lower the sash completely. Leave the area immediately.

• Fume  hoods should  be certified, at  least annually, to ensure they are operating safely. Typical tests include face velocity measurements, smoke tests and tracer gas containment. Tracer gas containment tests are especially crucial, as studies  have shown that face velocity is not a good predictor of fume hood leakage.

• Laboratory fume hoods are one of the most important used and abused hazard control devices. We should understand that the combined use of safety glasses, protective gloves, laboratory smocks, good safety practices, and laboratory fume hoods are very important elements in protecting us from a potentially hazardous exposure.

• Laboratory fume hoods only protect users when they are used properly and are working correctly. A fume hood is designed to protect the user and room occupants from  exposure to vapors,  aerosols, toxic  materials,  odorous,  and  other  harmful substances. A secondary purpose is to serve as a protective shield when working with potentially explosive or highly reactive materials. This is accomplished by lowering the hood sash.

FAQ

1.What service fixtures are needed in the hood?

There are many types of services and accessories that are typically found in a hood. Vacuum, water, and gas lines are the most common service fixtures added to hoods, and airflow monitors, sash stops and auto sash returns are the most common accessories.

Ask yourself how many service fixtures you will need and where to locate them. How many electrical outlets? Is a sink needed and what is the desired placement?

Airflow monitors are recommended. What type is best for your lab--simple red light/ green light indication or digital airflow readout?

Do you want a sash stop to keep the sash in the safest operating position and reduce operation costs?

2. Where are you going to place the fume hood?

Where in the lab will the hood be placed is an important question. These considerations determine where a hood can be placed:

Is there an available duct run in the building?
Is the hood out of foot traffic?
Are there any cross drafts or competing air patterns that will affect containment?
Where are the emergency services such as a fire extinguisher or washdown shower?
What is the workflow pattern in the lab?

You should study your budget and determine if you are interested in spending a little more in the initial purchase of the hood in order to save thousands of dollars over the life of the hood. Balancing purchase price and operation costs should be given much consideration throughout your hood selection process.