![]() ![]() 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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