Making A Work Bench Sheet Metal Exhaust Fume Hood

If you do a little folding and cutting with paper you can figure out a simple design.

Making a work bench sheet metal exhaust fume hood.

Find the center of each lid and layout the locations for the fan and grill mounting holes cut a 4 5 hole in the center of each lid and drill the grill and fan holes layout the holes for the power switch and power cord on the enclosure. Each hood comes standard with a backdraft damper for exhaust air and if used without the backdraft damper is suitable for intake air. Material base the fume hood eliminates the risk of trace metal contamination common with traditional fume hoods. My wife jennifer makes cast resin jewelry1.

Free drop shipping for these items. Hepa filters ensure clean input air. I drilled my switch hole too far back and it was a bit of a pain to modify the fan etc. Cut a 4 hole where the 6 duct will attach at the top and then cut 1 notches all around the circle.

They will typically utilize a flexible source capture arm slotted fume hoods or smaller hoods with side shields for a work bench operation. Source capture systems are popular for applications involving small parts and fixture welding. Wall hoods galvanized steel. The fume hoods ship in two separate boxes that may be delivered on different days.

To get it all to fit. These galvanized wall hood are designed to attach directly to round duct. Because of the toxic fumes good ventilatio. We have vent hoods fashioned from sheet metal available in 3 x 4 flat sheets at home improvement centers.

All hemco fume hoods are constructed of a highly corrosion resistant composite resin designed to outlast standard painted metal fume hoods. She uses a polyester resin which works a lot like fiberglass resin mix the resin with a hardener catalyst pour but unfortunately it smells about as bad too. Steeltron metal works is a sheet metal fabrication shop located in san antonio texas. Steeltron has been making metal goods in a 15 000 square foot building since 1990.

This can be interpreted to mean that separate duct runs would be required. 5 year warranty on all ul 1805 uniflow fume hoods. These items ship quickly and direct from griffin. Selecting the wrong type of ductwork for your fume hood can be a painful and expensive mistake.

We specialize in providing laboratory planning solutions for casework enclosures showers and customized project requirements. Nfpa 45 states that exhaust ducts within a laboratory unit may be combined. However nfpa 91 states that incompatible materials shall not be conveyed in the same system. Leave enough space to clear the 1 5 thick fan.