With pumping rates at over 30 gallons per minute, the M2125 HDP Clear doubles as an "Ultra" High Capacity Super Hand Pump that's comfortable to operate from just about any position. Plugs ups are a rarity, and with the clear plastic it's easy to see inside should a tree branch gets suctioned in. Rocks over 3" long easily enter into and then pass through the Model 2125 Hand Dredge during hand pumping action. The Model 2125 Gold Hand Dredge (maximum intake valve clearance 2 1/8"/2.125") handles 2" Rocks? No problem. A 2" Steel restrictor ring is built into the detachable 12" intake pipe and eliminates impact damage from rocks. Inside the pump, the unique flapper valve's are rigid enough that they'll likely never get pushed out through the intake or get sucked in through the discharge valve while GOLD Hand Dredging! Nearing effortless in operation, all day 2" GOLD hand dredging is possible. The M2125's convoluted cylinder bellows, "HG Power Plant", is reinforced both inside and out, that way it can be stretched without collapsing and compressed without ballooning! Since it's hand powered, there's no need to worry about otherwise catastrophic pump failure due to pressure build up or higher vacuum. Suspended in the water, the material travels deep into the pump as high as the round white handle before being pumped through and out into the discharge hose, still mostly suspended in the gushing water! As your pumping you can hear the flapper valves "Clacking" as they close, and the clicking sounds of contact as the dredge material passes through in the turbulence.
With the M2125 the sand and rock gets suctioned into and through the entire pump. This way, the motor and pump are protected from suctioning in sand and rocks. The Model 2125 GOLD Hand Dredge's, works much like a typical motorized recreational suction dredge, only that the suction is Immediate Vacuum Response (IVR) unlike the impeller produced (see hydraulic mining monitor) type water pressure created by forcing water angularly into a venturi to produce siphoning vacuum at the dredge nozzle.
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