![]() Without some outside the box thinking, nothing will ever change.and better is.well. ![]() I had a 5 inch that ran on 350 a minute pump, the jet tube has to be jetted at a 21 degree angle for max. that pump will put out about 145-150 gals a minute. including the Attack range of professional nozzles as used by UK brigades. Please believe me, I welcome everyones opinions about the theories and possibilities for this type set up and I want to gather as much info from those that know about what can and can't be and why it will or won't work before I spend a million hour$ trying to make the impossible possible.not that I'm not up to a challenge I just think it would be really cool if we could figure out a better small and efficient setup for a pack or entry dredge model. Yeh, you should be able to make a good sucking 3 inch, with that pump, if you use a nozzle instead of a jet tube. BS336 suction BSRT round thread male and female fittings in 4 and 5-1/2. And as far as the dredge hose set up I was thinking, nozzle then 8-10' hose then the jet then 3-5' more hose dumping on the sluice, classifyer or into a flair a few inches above water level. I was thinking that with the slightly higher pressure available over a regular trash pump and the better suction capabilities of a quad jet or infinity suction setup over a standard nozzle that it might be able to work for a little bigger dredge than a 1 to1 ratio for a 1.5" pump size?Īlso the pump would probably have no more than 5-10' of non layflat from pump to the jet. ![]() Keene pump has enough flow and pressure to overcome the restrictions of a layflat hose and work a 2.5" nozzle with no problems, we actually had to throttle it back some. I got these numbers from the hydro force nozzle web site and found through trial and error this past year that they are pretty much dead on across the board with other brand nozzles ( Keene and Martin). Layflat hose puts to much restriction to get the flows needed so you have to use non collapsable hose (with a trash pump). Keene DREDGE SUCTION TIPS - reduce rock jams Suction Tips attach to the end of a suction dredge nozzle. 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. Honda's specs on this pump is 3780 gph 54 psi. This machine was a trend setter when it first came on the market and it continues to be one of our best sellers many years later. 1900 gph a min of 40 psi.Ī 2" suction nozzle requires aprox. First off, that pump is ideal for a high banker ! As far as a dredge, it will run a 1.5 " suction nozzle with no problem, a 2" at full throttle and very little head 4-6' max.Ī 1.5" suction nozzle requires aprox.
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