A chemical fume hood protects lab workers by venting solvent fumes and other harmful gases out of the laboratory and the indoor room air. Air flows into the cabinet beneath a movable sash at the front, and carries fumes up and out through the vent. Bypass fume hoods have an additional air intake above the sash which minimizes disruption of air flow in the work area due to movements in and out of the hood. Options in chemical fume cabinets now include energy efficient low flow fume hoods and hoods with an outdoor air intake (also known as auxiliary fume hoods) to avoid venting conditioned room air. Chemical fume hoods designed for specialized uses such as working with radioisotopes or perchloric acid are also available.
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Ductless Fume Hoods
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| Company | TopAir Sytems Inc. | TopAir Sytems Inc. | TopAir Sytems Inc. | TopAir Sytems Inc. |
| Item | Opioid Evidence Handling Workstation Kit | Eco Line Ductless Fume Hood | Hybrid – Laminar Airflow Fume Hoods | Polypropylene Fume Hood – Wet Scrubber |
| Catalog Number | CF-060-OP / CF-090-OP / CF-120-OP / CF-150-OP / CF-180-OP | ECO-CF-075 / ECO-CF-090 / ECO-CF-120 | FH-120-HCV / FH-150-HVC / FH-180-HVC / FH-200-HVC / FH-250-HVC | FH-120-WS / FH-150-WS / FH-180-WS / FH-200-WS / FH-250-WS |
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| Size(s) | Inquire | 29.5, 35.4, 47.2 in | Varies with model | Varies with model |
| Type | Inquire | Ductless Fume Hood | Fume Cupboard | Fume Cupboard |
| Exterior Dimensions | Varies with model | (WxDxH) 750 x 520 x 840 mm 29.5 x 20.4 x 33? to 1200 x 520 x 840 mm 47.2 x 20.4 x 33? | (WxDxH) 1200 x 850 x 2320 mm to 2500 x 850 x 2320 mm (47.3 x 33.4 x 91.3 in. to 98.4 x 33.4 x 91.3 in.) | (WxDxH) 1200 x 980 x 2370 mm to 2500 x 980 x 2370 mm (47.3 x 38.6 x 93. in. to 98.4 x 38.6 x 93.3 in.) |
| Depth | Inquire | Inquire | 23.6 to 24.8 in. | 38.6 in. |
| Description | TopAir’s Opioid Evidence Handling Workstation offer dual functionality by providing both fume containment and precise weighing capabilities. The stable cabinets are designed for accurate measurements of powders and chemicals by delivering a weight precision up to four decimal places. TopAir’s Opioid Evidence Handling Workstation offer dual functionality by providing both fume containment and precise weighing capabilities. The stable cabinets are designed for accurate measurements of powders and chemicals by delivering a weight precision up to four decimal places.
- Dual ULPA filter The ULPA filter includes a main filter and a secondary back up filter. It removes powders and particles with an efficiency of 99.9995 @ 0.3µm and provides reassurance to the to the lab staff.
- Vacuum system for efficient residue collection The vacuum system is an excellent instrument to collect residues of powders from the working surface and channel them to the ULPA filter.
- Filter integrity test after production (D.O.P) This test provides reassurance to lab staff about air quality and contamination control in the laboratory environment
... Read More | TopAir’s Ecoline Ductless Fume Hood provides a safe environment for lab staff working with acids and harsh chemicals.
This is the most cost-effective model of TopAir’s duct-less fume hoods product line, with an analog on/off control system, speed adjustable EC fan, and LED light.
Suitable for simple TopAir’s Ecoline Ductless Fume Hood provides a safe environment for lab staff working with acids and harsh chemicals.
This is the most cost-effective model of TopAir’s duct-less fume hoods product line, with an analog on/off control system, speed adjustable EC fan, and LED light.
Suitable for simple applications, educational uses, and small labs, it is a lightweight benchtop cabinet (metal stand is optional) with a small footprint.
Structure:- 8 mm welded Polypropylene structure with high chemical resistance
- Built-in sealed polypropylene
- Tempered glass partial sliding front sash with a max working height of 8” (200 mm)
- Analog control on/off system
Features Manual Analog on/off system with fan speed adjuster- 600 lux LED lightun
- Adjustable air velocity: 100±20 fpm (0.5±0.1 m/s
- Variety of HEPA and carbon filters
- ECM fan
- CE certified, complies with AFNOR NF X 15-211:2009 standard
... Read More | TopAir’s Laminar Airflow Fume Hoods offer clean bench functionality. They are made of high-quality non-corrosive polypropylene with excellent chemical resistance.
The product is equipped with a dual airflow system: - Supply system with a pre-filter, HEPA filter and a fan that creates laminar down-
TopAir’s Laminar Airflow Fume Hoods offer clean bench functionality. They are made of high-quality non-corrosive polypropylene with excellent chemical resistance.
The product is equipped with a dual airflow system: - Supply system with a pre-filter, HEPA filter and a fan that creates laminar down-flow towards the working area.
- Exhaust system that needs to be connected to a ducting system with an outdoor fan. Both inflow and downflow (100% of the air) are channeled to the exhaust system.
Structure: - 8 mm welded polypropylene with high chemical resistance
- Polypropylene worktop – stainless steel optional.
- 5 mm front safety glass window with counterweight system
- Lower vented base cabinet made of polypropylene
- Air ventilation areas include perforations on the front and side area of the worktop and the grille at the rear.
Features: - 10.1” color touchscreen display
- VAV with air flow alarm and display
- Automatic laminar air velocity
- inflow is affected by the lab extracting system.
- automatic shutdown system for the down-flow when inflow system fails
- Clean bench functionality
- Cleanliness level – Class 100/ISO 5
- 800 lux LED lighting separated from the work area
- Includes polypropylene lower base cabinet
- Optional: sink/water tap/gas tap/ vacuum tap/electric sockets
- CE certified
... Read More | TopAir’s Polypropylene Fume Hood – Wet Scrubber features a quality scrubbing media which collects mist and chemicals and channels these down to the water tank. Its upper eliminator prevents mist from reaching the exhaust fan. The fume hood is used to filter out acids and prevent them from being TopAir’s Polypropylene Fume Hood – Wet Scrubber features a quality scrubbing media which collects mist and chemicals and channels these down to the water tank. Its upper eliminator prevents mist from reaching the exhaust fan. The fume hood is used to filter out acids and prevent them from being released into the environment. The scrubber is built-in as an integrated part of the hood. The polypropylene fume hoods are made of high-quality non-corrosive polypropylene with excellent chemical resistance.
The fume hoods protect laboratory staff from noxious fumes released by acids, dangerous gases and organic solvents. The hoods are designed for work with heavy chemicals and have been independently CE certified.
Structure: - 8 mm welded polypropylene with high chemical resistance
- Polypropylene worktop – optional materials include stainless steel, ceramic, epoxy and HPL.
- 5 mm front safety glass window with counterweight system
- Lower vented base cabinet made of polypropylene
- Air ventilation from both the top and rear panel
Features: Wet scrubber functionality comprises: - Spray Nozzles
- Upper mist Eliminator
- Scrubbing Media
- Water Pump
- Water Tank
- Easy access for maintenance and repairs
- 800 LUX LED lighting separated from the work area (option for ex-proof light)
- 7” color touch screen controlling lighting and power outlets
- Optional upgrade to control systems:
- AFA system includes 7“screen with air velocity display and alarm
- VAV system includes 10.1” screen with automatic air velocity control (installed and include VFD), temp & humidity display
- Active system includes 10.1” with automatic sash motion and proximity sensing system dramatically reducing energy costs
- Optional accessories such as taps, sinks, sockets, scaffolding, and outdoor fan
- Option for PH meter with an automatic dosing pump system
- CE certified
... Read More |
| Quantity | EA | EA | EA | EA |
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