Gold Dredge Venturi

  • Gold Dredges products for sale | eBay

    Goldsnare SGS-1 Mini gold dredge. See Video's at Goldsnare. This also allows the user to dive with the unit while keeping the power source above the water. A waterproof switch located on the dredge allows the user to turn the unit on and off easily which saves on battery life when not in use.

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  • Consultancy & Engineering | Dredge Pump Solutions

    Dredge Pump Solutions is focused on technical and operational results, with safety as our top priority. During a tender, we can advise on work methods and production estimates, and during the execution of the project we can support operations through guidance, daily management, and on-the-job training.

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  • DIY PVC Dredge Nozzle (Part 1) - YouTube

    Feb 22, 2013· For best picture watch in HD720p! This video shows an easy way to make a PVC dredge nozzle that operates on the venturi effect. I built 4 prototypes before settling on this one that works great ...

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  • Dredging - Wikipedia

    Dredging is the operation of removing material from one part of the water environment and relocating it to another. In all but a few situations the excavation is undertaken by a specialist floating plant, known as a dredger. Dredging is carried out in many different locations and for many different purposes, but the main objectives are usually to recover material that has some value or use, or ...

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  • Dredge Central

    UD468: Wolverine Dredge $ 279,000 Add to cart UD467: DSC Dredge $ 225,000 Add to cart UD455 – Used DMI Model HPC-16LP-80 Cutter-Suction Dredge $ 1,650,000 Add to cart

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  • 12V Electric Dredge??? - Gold Prospectors Association of ...

    Has any one tried to make one of the 12V dredges you see on Youtube? if so how well did it work?? thinking of trying one with a Johnson 4000 GPH pump with a 2 inch nozzle.

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  • Dahlke Dredge MFG - Gold Dredges

    Everything you need for your Gold Dredging Adventure . Here at Dahlke Dredge we offer state of the art gold mining equipment at competitive prices. Whether you are planning an epic gold dredge outing, looking for a custom sluice box, venturi eductor, pump or air compressor, we are here to help you!

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  • Suction Jets / suction jet assist - considerations, info ...

    Apr 08, 2012· First of all this is not usable info. It is copyrighted. It is about cutter-head dredges using slurry pumps. I had real problems from the git-go until I realized he was dealing with slurry pumps, i.e. the slurry goes through the pump rather than just water being pumped to the venturi.

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  • Diving Equipment Specialties

    The dredge alone ( without the pump and pump hoses, but including the dredge hose and fittings ) is $2,190.00. The 4" diameter dredge as shown is our standard unit for personal and professional use. Diving Equipment Specialties also makes dredges in custom sizes and configurations for commercial and industrial applications.

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  • Suction nozzle and power jet design? - GOLD PROSPECTING ...

    Apr 16, 2014· I have the basic design figured out, can anyone give me the ratio of the size of thewater inlet line to the suction line size? Also pressure/gpm needed to be effective?Ive got a 40 drop and going from 3 to 1 1/2 line size to run my Simple Simon.Im hoping to run a 2 suction nozzle/power jet. :hmmm...

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  • Build A Suction Dredge Venturi Nossle - caesarmachinery.com

    Build A Suction Dredge Venturi Nossle Prompt : Caesar is a famous mining equipment manufacturer well-known both at home and abroad, major in producing stone crushing equipment, mineral separation equipment, limestone grinding equipment, etc.

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  • Getting The Best Performance From Your Dredge

    Included in this lift load is the flair, because it has a static load composed of rock and water, on the output of the venturi jet. The lift varies from dredge to dredge and is determined by the draft (how far the pontoon sinks into the water), of the pontoons and the angle of the flair to the water’s surface. This is the hardest lift in the ...

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  • Suction Gold Dredge Operation & Components - akmining.biz

    This is a very important thing to remember when working with permits. What a dredge manufacturer calls a 5" dredge may be a 4" intake nozzle dredge for permitting purposes. Nozzles sizes may be up to 2" smaller than hose sizes. A Common Suction Gold Dredge Design. A dredge is …

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  • Vortex Dredge Systems | Powerful ROV and Diver Dredge ...

    Vortex dredge solutions offer the highest suction on the market at 97kpa (28 in/hg) With years of experience servicing the oil and gas industry, we have developed robust and efficient ROV dredging and tooling solutions for a range of clients worldwide. The PATENTED Vortex venturi is designed, manufactured and tested in New Zealand and shipped ...

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  • how to make a homemade dredge pump - educationcare.in

    Steve's Guide to Suction Gold Dredges - DetectorProspector.com. A basic guide to gold suction dredge components and operation. ... The pump actually pumps only water, which is delivered to a venturi type device .... can be obtained separately as replacement parts or to build a custom dredge out of parts. More details » Get Price

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  • Suction Dredging for Gold - New 49ers Prospecting Club

    Dredging is usually done in ten feet of water or less, but some work is done at greater depths. The following video segment demonstrates how modern suction dredges are constructed with the use of venturi jet systems.

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  • Reclamation & Dredge Systems |

    Portable and cost effective venturi operated dredge systems can transport slurries of rock, sand and gravel up to 150 feet away and no higher then 3 feet above water level. These systems range in suction intake size from 2 to 8 inches in diameter. Venturi systems can …

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  • How do Suction Gold Dredges Work?

    Gold Suction Dredges come in a wide variety of designs and sizes of intake. Suction dredges are commonly available “off-the-shelf” in sizes ranging from a small backpack size intake of 2 inches up to a very large commercial dredge intake of 10 inches. The larger the intake size, the more material can be processed through the dredge each ...

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  • Proline Gold Mining and Prospecting Equipment/Parts and ...

    Proline offers one of the most comprehensive line of pumps in the small dredge industry. These are high performance centrifugal pumps designed specifically for operating our dredges and dual-purpose machines. Each pump is cast in the US from premium quality A356 aluminum, then heat treated to a "T-6" hardness for years of service.

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  • Suction nozzle to infinity jet | Gold Dredging Forum

    May 29, 2015· I like to tinker and like to build my own stuff. And currently i want to make the jump from using suction nozzles to infinity jets. Now I've also built my own dredge, set up currently for fine gold recovery it works ok but there's always room for improvement. I live in Iowa and the gold here is only glacier deposits, flour gold size.

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  • Plan and design your own home made suction dredge for gold ...

    Home Made Suction Dredge. Interested in building your own suction dredge gold prospecting and saving some significant money in the process? If you do it right and plan well you really can save a lot of money and still have a good, functional dredge that is durable and really holds onto the gold - …

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  • The Gold Dredge - , Inc,

    The underwater dredge is the less popular of the dredges available, because it lacks somewhat in its ability to recover as fine of gold as the surface type. It is designed mainly for compactness and portability, but is limited also in its application, as it is cumbersome to handle underwater.

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  • Proline Gold Mining and Prospecting Equipment/Gold Dredges

    Sep 29, 2008· Some more field demo's of the Hydro-Force 250. The only hand held, dry land dredge nozzle.

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  • DREDGE SUCTION NOZZLES - You Struck Gold!

    DREDGE SUCTION NOZZLES By: Dale Russell Suction nozzles can easily be home made , with some ingenuity & a few tools. No matter what size you want to make from 1" up to 6", you can purchase exhaust pipe with that outside diameter (OD) Power jets measure the …

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  • Diving Equipment Specialties

    The standard Diving Equipment Specialties 4" diameter water dredge requires a minimum water pump of 350 GPM ( gallons per minute ) or more. The pump is stationed in the boat or on shore as the situation dictates, and is connected to the dredge with 2" high-pressure hose.

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  • Gold Mining Dredge Venturi Tubes | Products & Suppliers ...

    Find Gold Mining Dredge Venturi Tubes related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Gold Mining Dredge Venturi Tubes information.

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  • venturi dredge pump, venturi dredge pump Suppliers and ...

    As well as from maritime. And whether venturi dredge pump is diesel. There are 8 venturi dredge pump suppliers, mainly located in Asia. The top supplying country or region is China, which supply of venturi dredge pump respectively. Venturi dredge pump products are most popular in New Zealand, Venezuela, and United Kingdom.

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  • gold dredge | Miscellaneous Goods | Gumtree Australia Free ...

    Gold Dredge 3" Honda 3.5 motor Jessie centrifugal pump Sluice box 36 cmx120cm 6m 3" hose 5m 2" hose This is a dredge for creek and river that you setup on the bank. Can have flotation pontoon added. The Jessie pumps are very rear now a favorite of the old-time dredge operators Pickup and inspection Rooty Hill. Ring or text Ray

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  • FOR A PORTABLE GOLD DREDGE - Rosewind Mining Supply

    For more complete understanding on this subject, we recommend you read any one of a variety of books available through the Keene Library of Books, such as The Gold Dredgers Handbook, Dredging for Gold or Advanced Dredging Techniques. The vacuum on a portable dredge is created by a "venturi …

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  • Dahlke Dredge MFG - Gold Dredges

    Here at Dahlke Dredge we offer state of the art gold mining equipment at competitive prices. Whether you are planning an epic gold dredge outing, looking for a custom sluice box, venturi eductor, pump or air compressor, we are here to help you! We manufacture all of our gold dredges in house, in the USA.

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