dredge suction nozzle design

GOLD MINER'S TOOLS :: HYDRO FORCE DRY …

Hydro-Force Nozzle, a revolution in suction nozzle design, was built specifically for use where water is in short supply. This nozzle can be used in low water or completely out of the water and it has suction force …

Proline Gold Mining and Prospecting …

The T-80 is a medium-duty oilless diaphragm compressor with pressure relief valve. It connects easily to dredge motor to supply hookah breathing system.. The T80 compressors are recommended for shallow diving …

Build A Suction Dredge Venturi Nossle

There are two types of suction systems used in modern suction dredges. One utilizes the "venturi" in ... This combination of venturi and nozzle is called a ... Suction Nozzle Design GPEX. If you do a search on venturi suction nozzle design ... Say I make a suction dredge nozzle with a pressure washer hose at 2500 psi ...

Suction Nozzles | A&B Prospecting

Prtt Valley Location 8101 E. Hwy 69 #C Prtt Valley, AZ 86314 (928) 772-4319 Sunday: Closed Monday: Closed Tuesday: Closed Wednesday: 9:00am - 5:00pm MST Thursday: 9:00am - 5:00pm MST Friday: 9:00am - 5:00pm MST Saturday: 9:00am - …

DREDGES AND HIGHBANKERS | mysite-1

The new pump design has duel discharge ports capable of running a "blaster nozzle" to blow out bedrock and clean crevices. ... This is our 173 Dredge Conversion with the addition of a 2 1/2 inch dredge suction nozzle, 10 feet of 2 1/2 inch suction hose and 12 feet of additional pressure hose to extend the suction system. Net weight is 98 ...

2.5 DREDGE ASSEMBLY INSTRUCTIONS

2.5" suction nozzle uses long 17' pressure hose. 2.5" suction tip 2.5" power jet 2.5" hose connector Power Jet uses short 4' pressure hose Sluice portion of frame is lower Engine portion of the frame is higher 1 1/4" to 1 1/2" adaptor 1 1/4" to 1 1/2" adaptor 2.5" Dredge Side View Power Jet Model Suction Nozzle Model

DIY small scale hand dredging understanding the basics

This is a different type of suction device called a suc-tion nozzle. Suction nozzles perform best in ex-tremely shallow water conditions and for short runs. They can even suck a little air and maintain suction. This feature can come in handy when cleaning small shallow small rocky ponds. Suction nozzles do not perform well with hose lengths ...

» Suction Dredging for Gold

Using a dredge, an (experienced) operator is able to process a much larger volume of streambed material than with any other small-scale hand-mining apparatus. Most of the gold-bearing river-bottom streambed material is …

Suction Design Process

Stepped Nozzle Suction Design is Effective in the Following: 1. It sometimes decreases the friction loss across the suction piece compared with the tapered eccentric design. 2. The velocity increase at the step does not affect the suction laminar flow. 3. The velocity increase at the step tends to keep air in suspension and decrease the ...

Suction Nozzle or Power Jet?

A suction nozzle is the traditional method for creating the venturi. The advantage of using this method is that it can be operated in water as shallow as the dredge will float in. The down side is you need two hoses, one …

Proline Mining Equipment/Gold Dredges 2.5" inch

When other 2.5" dredges were floating on inner-tubes, required a suction nozzle for producing dredge vacuum, and had limited depth capabilities, the Proline 2.5" dredge sat on sturdy pontoons and used a power jet for dredge vacuum. ... It is a bolt together design, just like the flare/sluice assemblies found on our larger dredges. This new ...

Suction Nozzles

Suction Nozzles. Lightweight, high performance dredge nozzles that really suck! We offer 2 and 4″ nozzles with a full array of nozzle extensions and attachments. If you are using Keene hoses (pressure/suction), the nozzles slip fit in the hoses and don't require hardware (hose clamp/screwdriver).

GoldiBox Backpack Dredge

The GoldiBox Backpack Dredge was designed to go where a traditional dredge can't. Its unique, fluid dynamics based design captures the finest of gold and the chunky nuggets. SPECIAL OFFER: GoldiBox BackPack Dredge & Suction Nozzle Combo – $15.00 off. Click here for the GoldiBox BackPack Dredge and Suction Nozzle Combo

2" suction dredge | Gold Dredging Forum

My idea is to set it next to a small creek and suck out from underneath the big boulders. I have a 2" Briggs and Stratton 3.5 HP pump which delivers 150 GPM. It appears to be supplying more than enough …

Gold Dredge Equipment + Prospecting FAQs & 11 Helpful Tips

Use a suction nozzle to get better suction and minimize turbulence. Use a gold pan to sample the material before you start dredging. Start with a small suction dredge and work your way up to a larger machine. Be sure to check the weather forecast before you go gold dredging. Wear proper clothing and footwear: boots, waders, life jackets, etc.

Dryland Dredge Nozzles – Gold Rat Highbankers Australian …

Dryland Dredge Nozzles. $405.90 1 in stock. or make 4 interest-free payments of $101.48 AUD fortnightly with More info. Nozzle hose size. Add to Cart. Description. Here we have the Dryland dredge nozzle made by Sam in America. In our opinion he makes the best nozzles on the market. (see video below)

Keene Dredge Suction Nozzles

Dredge Suction Tips - reduce rock jams! Keene DREDGE SUCTION TIPS - reduce rock jams! Suction Tips attach to the end of a suction dredge nozzle. Tips are made of thin walled plated steel tubing and feature a rolled tip which will reduce rock jams by up to 20%. #st15 - 1.5" #st2 - 2" #st25 - 2.5" #st3 - 3" #st4 - 4" #st5 - 5" These are suction tips.

Keene 2.5 inch Dredge 12" box (FREE SHIPPING)

The dredge also comes with fifteen (15) of suction hose. 4 Dredge options: (CHOOSE FROM DROP DOWN MENU) Select model from drop down menu above. 2.5" dredge pontoon w/ Honda engine (NO AIR) Suction Nozzle 2.5" dredge pontoon w/ Honda engine (NO AIR) Power Jet 2.5" dredge pontoon w/ Honda engine (WITH T80 AIR Compressor) …

UNDERWATER gold dredge ***HOW CAN I BUILD …

The suction head at the working end of the main suction hose is designed for ease of use with the exact angle for the handle to reduce operator fatigue when using the suction nozzle for long periods. The nozzle is necked down by a steel ring which doesn't restrict the flow of water but prevents any rock over 5.5" from entering the suction ...

Suction nozzle to infinity jet | Gold Dredging Forum

Post by RKC onNov 24, 2012 at 3:40pm. G'day weary1, My guess would be that there will be an increase in efficiency by replacing a suction nozzle with an infinity jet, if only because a jet will be sucking up the suction hose, rather than the pushing that occurs with a suction nozzle. I'm far from convinced that an infinity jet would be any more ...

6 Basic Rules of Pump Piping Design

Larger suction piping on the suction side is usually preferred if the liquid viscosity is greater than water. This also helps produce an even flow to the pump and avoid cavitation. 3 Use Eccentric Reducers on the Suction Side Consider using eccentric reducers on the suction side of the pump when a pipe size transition is required.

The Gold Dredge

Power Jet. Submersible Suction dredge uses power jet and suction hose. Suspended under the water by a float system. Suction Nozzle. Submersible dredging tube uses a suction nozzle. It is handheld underwater for …

Dry-Lander Suction Nozzle

These suction nozzles are 3″ inch in diameter and work with 3″ inlet suction hose. Any 2.5″ NPT pressure hose can be easily secured to the nozzle via the welded 1.5″ NPT threaded coupling.. Requires A pressure "around" 180 GPM (gallons per minute) or 10,800 GPH (gallons per hour).

(PDF) Improve design for pump suction nozzles

The typical pump discussed is a 25 cm or 30 cm suction pump with horsepower in the 500 range. This type of pump will deliver up to 180 m of head, as is required for this type of process.

A design overview of Manson Construction's latest …

A design overview of Manson Construction's latest trailing suction hopper dredge, FREDERICK PAUP An operator's investment in a new hopper dredge is a long-term commitment to a complex vessel working in an abrasive environment. Even with those headwinds, anticipated life cycle durations for modern US flagged dredges

Suction Nozzle

The GoldiBox 2″ suction nozzle weighs a whopping 80% less than metal suction nozzles and offers outstanding performance & durability. Not to mention they are a third of the price. GoldiBox gold dredge suction nozzles are designed to friction fit Keene's 1.25″ & 2″ suction hoses so you can use your existing hoses with our nozzles. The 1. ...

Dredge Nozzles & Power Jets | Pro Music

Pro Music is proud to offer Hydro Force, Jobe, Keene, and Proline gold dredge nozzles and power jets including dry land suction nozzles with free shipping! Music Gear And Prospecting Equipment • 35 Years In Business • (800) 478-1994 • Free Shipping!!

New Life for the Suction Nozzle

The suction nozzle was one of the first Venturi nozzles to be used in the dredging business. Years later it was replaced with the straight Venturi system, which is …

Some dredge basics

In any dredge, you will have 2 types of suction devices; either a suction nozzle or a power jet. A suction nozzle only works with higher pressure pumps. The recommendation is a …

Power jet vs. suction nozzle | TreasureNet The Original …

Mar 20, 2009. #4. Yep... a power jet will give you better suction than a nozzle if you were to use the same motor/pump set up. The nozzle is pushing the material from the bottom up as well as trying to maintain suction. Also the pressure hose is a lot longer from the pump down to the nozzle at the bottom where you are working & so …