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Vacuum Cleaner and Material Mover MUCK OUT FLOODED OR CAVED FOOTINGS AND DITCHES SUCK UP FLOOD DEBRIS FROM YOUR HOUSE, AND BLOW IT OUT INTO THE YARD EXCAVATE AND POTHOLE AROUND FIBER OPTIC, GAS AND WATER LINES SAFELY MOVE FLOAT ROCK AND GRAVEL BEHIND WALLS AND UNDER BUILDINGS MOVES UP TO 5 CUBIC YARDS OF 2.5 INCH MATERIAL PER HOUR This is a new, all stainless steel Air Dredge pneumatic jet pump, also called an eductor, or venturi pump. It runs off a large diesel air compressor. The Air Dredge sucks debris into one end and blasts it out the other. Plastic pipe can be used for moving debris or material right where you want it. The Air Dredge and your air compressor will give you a POWERFUL vacuum cleaner, suitable for rocks, dirt, sand, mud, silt, muck, etc. It works like a Shop-Vac on steroids, but there is no tank to empty. Material is sucked into one end, and blown out the other. The Air Dredge can vacuum up two to five cubic yards per hour, depending on the size and density of the debris. Pieces up to 2.5 inches across can be vacuumed up. The suction inlet is 3-inch OD, and fits right into 3-inch industrial vacuum hose. * Rocks, gravel, sand, dirt and other loose materials are rapidly picked up and carried away. * Sticky mud requires some water to keep it moving through the Air Dredge, hose and pipe. * The Air Dredge can lift a solid column of water about 40 inches. It can also slurp up air and water higher distances, and then gravity-feed the water away through pipe. It can not pump water uphill. DELIVERING MATERIALS TO INACCESSIBLE AREAS: The Air Dredge can be used to deliver rock, gravel, float rock, sand and other granular materials through ordinary plastic plumbing pipe. Up to 100 feet of 4" pipe can be used where no tractor, wheelbarrow or bucket-brigade can reach. The Air Dredge outlet slip-fits into a short piece of 3" ABS or PVC plastic pipe. An adapter and 4" plastic pipe is used to convey the material to where you want it. Your local hardware store can supply the plastic pipe and fittings. The Air Dredge can deliver materials under buildings, behind walls, up onto roofs and to other hard-to-reach places. Compressed air applied to the nozzle creates a powerful secondary flow in the main tube. A relatively small amount of compressed air causes a great deal of air to be sucked into the inlet, which picks up and carries debris. The nozzle consumes 150 CFM @ 100 psi, or 225 CFM @ 150 psi. Running the nozzle at less than the rated flowrate and/or pressure will dramatically reduce the suction and delivery power. * The Air Dredge is made from welded 304 stainless steel. * The main body tube is heavy, 16-gauge SS tubing for good abrasion resistance. * The main tube is bulged outward at the nozzle, for unobstructed flow. * The SS nozzle has a SS male 3/4" NPT tapered pipe thread. * The thermodynamically engineered nozzle produces a supersonic air jet, about Mach 2 at 150 psi. * The suction inlet is 3 inches OD and fits into 3-inch vacuum hose. * The axial suction inlet eliminates material caking problems that plague side-inlet or angled-inlet pneumatic jet pumps. * The maximum particle size the Air Dredge can move is about 2.5-inch diameter * Two to five cubic yards of material per hour can be vacuumed up, depending on size and density * All-stainless steel Air Dredge pneumatic jet pump * One Chicago air hose fitting with 2 safety clips The Air Dredge is a basic, economical piece of equipment that you adapt to your specific application using common, inexpensive off-the-shelf pipe and hose. It's a pump that can move just about anything 2.5-inches in diameter or smaller. The first time I used the Air Dredge, I saved $2500 in labor costs and got the job done in four days instead of two weeks. It will pay for itself the first time you need to use it. Just wanted to thank you for this wonderful product. My construction crew moved two loads of gravel with it in the last 2 days. The guys just shook their heads and did not believe it would work until we hooked it up. Now, they are all amazed. We are using small gravel to backfill under a building, where my other option would have been a man crawling under with a bucketful of rocks at a time. I just can't thank you enough. If I can ever be of reference for you, do not hesitate to email me. If you want to quote me in your ads, feel free. I just can't thank you enough. - Lisa Reece, building a new dental office in Scottsboro, Alabama The Air Dredge makes short work of difficult cleaning and material placement/delivery problems. Suck up mud, silt and other flood debris from inside your house, and blow it into the yard. Get the muck out of the house NOW and worry about getting it off the lawn later. Unlike a shop-vac, the Air Dredge can run without stopping because there is no tank to empty. Debris is sucked through a hose into the Air Dredge and blown out a door or window through 4-inch ABS plastic pipe. Keep the pipe short, so that sticky mud and silt doesn't clog it. Remove demolition debris and deposit it directly into a roll-off dumpster. The Air Dredge can move pieces up to 2.5-inch, including nails, screws and other dense objects a shop-vac leaves behind. Up to 100 feet of 4-inch plastic pipe is used to carry the debris away; french drain filter fabric can be used to cover the dumpster to control dust. Muck out flooded and caved concrete foundation footings. Don't remove rebar cages from the footing, clean around them with a hose. Vacuums footings CLEAN. Get everything, even from tight, inaccessible areas. Great for removing loose chips from bedrock foundations. Clean up caved-in pipeline trenches. Spot clean trenches as needed. Don't go into a dangerous, unshored trench. OSHA will fine you $$$. Put a hose down in the hole instead. Clean caissons, utility pole holes and other drilled excavations. The Air Dredge gets what the auger can't. Vacuum hose can fit into tight spots and around rebar cages. For deep holes, plastic pipe can be used instead of expensive flexible hose. Safely pothole and excavate around gas, water, sewer and fiber-optic lines. Stick a hose down in the hole and carefully knock the soil loose with a digging bar or shovel. The Air Dredge will rapidly clear away the debris, allowing you to easily see utilities as they are exposed. Remove excavated dirt from under houses when doing foundation repair, then use it later to backfill with drainage rock. You can use the Air Dredge wherever you can fit a 4-inch plastic pipe. The Air Dredge moves up to 5 cubic yards of loose material per hour. Put drainage rock behind hillside retaining walls. Put roofing rock on top of a building. Move topsoil into a backyard without damaging lawns. A length of plastic pipe can easily deliver material where a tractor can't be used. Spread decorative rock, bark or woodchips over an entire yard in minutes. Don't use the Air Dredge to pump fresh concrete. Rocks and sand will separate from the cement, which will remain in the hose or pipe. Don't use the Air Dredge for pumping water uphill. The Air Dredge can suck up a solid stream of water to a height of over 3 feet, but it won't pump water higher than that. Air can be used to slurp up water to greater heights, for gravity-feeding it away through a pipe. Don't use the Air Dredge to move sticky mud and silt long distances through pipe. The Air Dredge itself is virtually clog-proof because of the turbulent flow inside. But, a hose or pipe has less turbulence and will tend to become clogged. The best way to move sticky mud is to use a short suction hose and as little delivery pipe as possible. Don't use the Air Dredge for dredging sediment out of ponds, lakes, boat slips and other bodies of water. If you have access to a lake full of water, you should use a water-powered dredge. A water dredge will be faster and enable sticky mud to be moved long distances without clogging the pipe. If you need to dredge a pond or boat slip, email me. Don't use the Air Dredge with corrugated hose. All hose and pipe used should have a smooth interior, for minimum flow resistance. Corrugations on the outside of the hose are OK. Don't use the Air Dredge with a 110-220 volt electric air compressor. The Air Dredge requires 150 CFM at 100 psi, or about ten times what a 220V compressor puts out. Make sure that your compressor can supply the required amount of air. CLICK HERE TO SEE MY OTHER AIR DREDGE LISTINGS. 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