power jet or suction nozzle

[bigalathenstn]

which is better? my hose is 2.5 inch,motor is a B&S 3.5 with a 190 gpm pump

 

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[Real de Tayopa Tropical Tramp]

HI.that depends greatly upon your dreding conditions and materiel. In general for shallow water a power jet, for best recovery a suction nozzle. More details on your contemplated area.

Don Jose de La Mancha

 

[Hoser John]

A suction nozzle is designed for shallow water because it is self priming and sucking air slows it down but doesn't stop it from operating. A powerjet needs its' jetlog underwater to maintain a prime and to work. You sound good to go up to a 3" hose,but again, length of hose and height from waters surface are also mitigating factors. Some highbankers are WAY too high and make it tough to pump that water and gravel load that high. Tons a au 2 u 2-John

 

[bigalathenstn]

the area I go to is less than 2 feet in most places the deepest is 4 to 5 feet ,so I'm thinking a suction nozzle

 

[Real de Tayopa Tropical Tramp]

http://www.keeneengineering.com/pamphlets/howdredge.html

Plus my appol. I listed the tubes in reverse, John is correct.

Don Jose de La Mancha

 

[bigalathenstn]

TY for the help