Small diameter seals fit snug on the drive shaft. We also make the seal much larger in diameter than those found in most “trash pumps”. Silicon carbide is a premium seal material that is utilized in most industrial grade pumps. The Mini dredge pump is equipped with an oversized silicon carbide shaft seal. A leaky shaft seal will disable your pump completely, by allowing air to enter the pump case instead of water being drawn up the suction hose. The shaft seal is the component that seals the engine shaft as it enters the pump case. Carbon/ceramic is the cheapest seal material there is and is a strong indication that your pump is designed to pump water only. Cheap trash pumps usually utilize small diameter carbon/ ceramic shaft seals. The agitator water jet system is necessary to deliver kinetic energy (energy of motion) to the sediment to take it from a solid state rendering it a fluid slurry.Ĭheap trash pumps are not designed to withstand abrasion or shock. Please note color of hose may vary from clear to green depending on diameter chosen.First of all, a self priming pump alone is not very effective in removing sediment. You may request a freight quote in advance by calling our store or emailing, otherwise we will adjust total manually after checkout to match our actual shipping cost. Checkout provides a rough estimate only and is often well under priced for hose dimensions 3 inches and larger. Because of the oversize nature of this hose and the bulky packaging required, additional freight charges will be added to all hose orders AFTER checkout. Price is per foot and does NOT include shipping. Very flexible and light weight.Ĭhoose your dredge-hose width diameter in the drop down menu - price is per foot and does NOT include freight which must be calculated separately after checkout.Ĭhoose diameter in the drop down menu (price is per foot). Dredge hose is made to withstand temperature changes and to prevent damage due to sunlight. Clear valleys between the ribs allow the dredge operator to see the material or water moving through the hose. A smooth interior bore helps to prevent clogs and does not hinder the movement of material. "Clearflow" suction hose is perfect for gold dredge suction and other low pressure applications.
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