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Grinding, Deburring & Finishing
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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Down Draft Tables
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Down Draft Tables. Sometimes the best solution for extracting welding fumes is right on the table.This is generally referred to as a Down Draft Table. The Downdraft Table serves as both a workbench and an air cleaner.
A rigid grill supports the product, while an air cleaner below draws smoke and fumes down and away from the worker's breathing zone. A worker can weld, grind, and cut on the surface of the table while dust and fumes get sucked away from breathing air space
Some important points to consider when purchasing:
What is the velocity or the air required to pull the fumes and dust downward into the table (Capture Velocity)? (Add up the CFM for all of the inlets that will run at once)
What is velocity at the Table surface required to achieve the appropriate Capture velocity (Face velocity)?
Do I have enough filter media (Air to cloth ratio) in the collector?
Will it stand up to the working 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:
Welding/Down Draft:Capture Velocity 100 FPMTransport Velocity 3000 FPMMinimum Face Velocity 150 FPM
Grinding/Down Draft:Capture Velocity 200 FPMTransport Velocity 4000 FPMMinimum Face Velocity 300 FPM
For more info, please see the products and associated documentation listed below.
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Back & Side Draft Systems
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Back and Side Draft Tables are similar to Down-Draft Tables. “Back Draft” and “Cross Draft” are ideal solutions when extraction methods such as self-supporting extraction arms and other such systems prove to be inappropriate for the application.The contaminated air is drawn in from the back or side panels of the work area.
These units come with or without filtration systems and can also be combined to create complete enclosures for whatever the application might be
Some important points to consider when purchasing:
What is the velocity or the air required to pull the fumes and dust horizontally into the table? (Capture Velocity: Add up the CFM for all of the inlets that will run at once)
What velocity at the Table surface is required to achieve the appropriate Capture Velocity? (Face velocity)
Do I have enough filter media in the collector? (Air to cloth ratio)
Will it stand up to the working 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:
Welding/Back & Side Draft:Capture Velocity 100 FPMTransport Velocity 3000 FPMMinimun Face Velocity 1500 FPM
Grinding/Back & Side Draft:Capture Velocity 200 FPMTransport Velocity 4000 FPMMinimum Face Velocity 3000 FPM
For more info, please see the products and associated documentation listed below.
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Dust, Fume & Vapor Control Booths
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Environmental Control Booths allow operators to work on a variety of components while assuring worker comfort and visibility within the critical area. These solutions also ensure that the "dust produced within the booth... stays in the booth..."
Some important points to consider when purchasing:
How large does the booth have to be?
Is the air speed through the work zone high enough to protect the
worker?
What is the noise level? (inside and outside the booth)
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 (in welding you can use lbs of welding wire…)
What is the filtration efficiency
Are there any tertiary risks such as fire, explosion, etc?
Here are some general design velocities when using "Enclosing" Hoods:
Dust, Fume and Vapour Control Booths:Minimum Face Velocity 100 FPMTransport Velocity 100 FPM
For more info, please see the products and associated documentation listed below.
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Hi-Vac & 'On Tool' Extraction Systems
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Hi-Vac capture and filtration of welding fume is a highly effective method of capturing welding fumes directly at source. This solution involves the use of CAS welding gun (sold by many welding equipment resellers) or by the use of one of our tool attachments.
The fumes are extracted directly on the welding gun and filtered by a remotely located Hi-Vac filtration system
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 FPMMinimun Face Velocity 785 FPM
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Fans - Air Make Up and Exhaust
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Fans for Air make Up and Exhaust are quite often a difficult product to find when designing a simple ducted local exhaust system.
Here we offer a variety of "LEV" (Local Exhaust & Ventilation) fans specifically designed to meet the demands of such systems.
These Fans are able to handle specific applications such as:
- Corrosive fumes
- Abrasive dusts
- Proper flow and static pressure for a particular application
Please feel free to contact one of our System Design Technicians for help in selecting the right fan for your application. |
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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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