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Wood Working Shops
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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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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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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