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Research & Development
Capture At Source - Extraction Arms
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Capture at Source Extraction Arms are used to capture airborn contaminants before the contaminants have a chance to reach the workers' breathing space
Available in several different designs
- internally supported
- externally supported
- telescopic
- mild or stainless steel construction
Lengths: Up to 45'
Diameters to suit Application: 2.5" through 8"
Typically the Extraction Arms are connected to a fixed extraction fan, Filter system or dust collector via direct mounting or a "Header Type" duct system.
Some important points to consider when selecting and/or ordering a System:
Are they easy to move?
Do they stay in place when positioned?
Are all sections of the arms counterbalanced?
How often do they need to be maintained and or adjusted?
Are they easy to maintain and adjust?
Here are some general design velocities when using "CAPTURE" Hoods:
Smoke (e.g. Welding):
Capture Velocity 100 FPM
Transport Velocity 3000 FPM
Minimun Face Velocity 2355 FPM
Dust (e.g. Grinding):
Capture Velocity 500 FPM
Transport Velocity 4000 FPM
Minimum Face Velocity 4000 FPM
Gas(e.g. V.O.C.'s):
Capture Velocity 50 FPM
Transport Velocity 2000 FPM
Minimum Face Velocity 785 FPM
For more info, please see the products and associated documentation listed below.
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Dust & Fume Filter Units - Portable
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Portable Dust & Fume Filter Units. Quite often “Clean Air” solutions are required throughout a work place. These units can be easily moved from location to location with ease while capturing dust and fumes where needed.
Various Options in Filtering Systems Available:
- Washable Filters
- Cleanable Filters
- Self-Cleaning Systems
- Throw Away Filters
All Units equipped with fan/motor assemblies to ensure adequate extraction at all times
Some important points to consider when purchasing:
How easy is the unit too move?
Is it easy to use?
Does it fit through small doorways and between tables, etc…?
Will it stand up to your environment (Eg: is it made from Plastic or Steel?)
Filter cleaning: is it easy to clean? Does the filter cleaning system really work?
What will be my filter costs per year (e.g. in welding you can use how many lbs of welding wire…)
Do you need unit for Maintenance or Production Application?
Here are some general design velocities when using "CAPTURE" Hoods:
Smoke (e.g. Welding):
Capture Velocity 100 FPM
Transport Velocity 3000 FPM
Minimum Face Velocity 2355 FPM
Dust (e.g. Grinding):
Capture Velocity 500 FPM
Transport Velocity 4000 FPM
Minimum Face Velocity 4000 FPM
Gas (e.g. V.O.C.'s):
Capture Velocity 50 FPM
Transport Velocity 2000 FPM
Minimum Face Velocity 785 FPM
For more info, please see the products and associated documentation listed below.
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Dust & Fume Filters - Per Work Station
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Per Station Dust Collectors such as these are ideal for 'Cell Based' manufacturing and work stations. Most of these solutions are based upon self-cleaning filter cleaning systems to reduce filter costs.Water based systems are also available for certain explosive and flammable applications
Some important points to consider when purchasing:
What is the Total Flow Rate? (How many CFM's are needed to capture the contaminants)
What is the exact resistance (filter and capture device losses) required for the fan to overcome?
Do I have enough filter media in the collector?(Air to cloth ratio)
Will it stand up to your environment (Eg: is it made from Plastic or Steel?)
Filter cleaning: Does the filter cleaning system really work in your application?
What will be my filter, maintenance and energy costs per year?
Are there any tertiary risks such as fire, explosion, etc, that I need to consider?
Here are some general design velocities when using "CAPTURE" Hoods:
Smoke (e.g. Welding):Capture Velocity 100 FPMTransport Velocity 3000 FPMMinimum Face Velocity 2355 FPM
Dust (e.g. Grinding):Capture Velocity 500 FPMTransport Velocity 4000 FPMMinimum Face Velocity 4000 FPM
Gas (e.g. V.O.C.'s):Capture Velocity 50 FPMTransport Velocity 2000 FPMMinimum Face Velocity 785 FPM
For more info, please see the products and associated documentation listed below.
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Dust & Fume Filters - Centrally Ducted
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Centrally Ducted Dust Collectors such as these are ideal for large shops and centrally ducted applications. Most of these solutions are based upon self-cleaning filter cleaning systems to help reduce filter costs. In addition, Water based filtration systems are available for certain explosive and flammable applications
Some important points to consider when purchasing:
What is the Total Flow Rate? (Add up all the inlets that will run at once)
What is the exact resistance (filter and duct losses) required for the fan to overcome?
Do I have enough filter media (Air to cloth ratio) in the collector?
Will it stand up to your environment (Eg: is it made from Plastic or Steel?)
Filter cleaning: Does the filter cleaning system really work in your application?
What will be my filter, maintenance and energy costs per year?
Are there any tertiary risks such as fire, explosion, etc, that I need to consider?
Here are some general design velocities when using "CAPTURE" Hoods:
Smoke (e.g.Welding):Capture Velocity 100 FPMTransport Velocity 3000 FPMMinimum Face Velocity 2355 FPM
Dust (e.g. Grinding):Capture Velocity 500 FPMTransport Velocity 4000 FPMMinimum Face Velocity 4000 FPM
Gas (e.g. V.O.C.'s):Capture Velocity 50 FPMTransport Velocity 2000 FPMMinimum Face Velocity 785 FPM
For more info, please see the products and associated documentation listed below.
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Industrial Hose & Duct Work
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Lev-Co offers a wide variety of lightweight, flexible, abrasive resistant, heat tolerant, innovative technical hoses to provide solutions for a wide range of industrial & Automotive applications.
Here are some general design velocities when using "CAPTURE" Hoods:
Smoke (e.g. Welding): Capture Velocity 100 FPMTransport Velocity 3000 FPMMinimun Face velocity 2355 FPM
Dust (e.g. Grinding):Capture Velocity 500 FPMTransport Velocity 4000 FPMMinimun Face Velocity 4000 FPM
Gas (e.g. V.O.C.'s):Capture Velocity 50 FPMTransport Velocity 2000 FPMMinimun Face Velocity 785 FPM
Mist:Capture Velocity 100 FPMTransport Velocity 2250 FPMMinimun Face Velocity 1766 FPM
Here are some general design velocities when using "RECEIVING" Hoods:
Vehicle Exhaust:Minimum Face Velocity 3000 FPMTransport Velocity 3000 FPM
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