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Air Lift Pump The Air Lift Pump is a type of deep well pump, sometimes used to remove water from mines. It can also be used to pump a slurry of sand and water or other “gritty” solutions. In its most basic form this pump has NO moving parts, other than an air compressor. The …

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Crescent Pump This pump consists of two rotating gears; an Internal Gear with the teeth on the outside, and an External gear with the teeth on the inside. The External Gear is larger and has more teeth, but the teeth are the same size. As the teeth separate, they pass over the intake hole . …

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Drum-Mate ™ Drum Pump Sometimes the best pumping solution is not exactly a “pump” in the traditional sense of the word. The Drum-Mate drum pump is used to pump liquids from standard 55-gallon drums by regulating air flow into the pump from any compressed air source. Pumps of this type are sometimes called “Fluid Displacement …

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Finger Pump Finger pumps push a series of rods against a flexible tubing in sequence, forcing fluid along the tube. In this pump the fluid moves from left to right. Since nothing but the tube actually touches the fluid, the fluid can be kept clean so this pump is often found in medical applications, pumping …

Gear Pump This is a type of Rotary Force Pump. Gear pumps are extremely simple and reliable. Depending on the number of teeth, the “idler” gear might be driven directly by the “drive” gear. Generally with six or more teeth this is possible. In other cases an extra gear external to the pump drives the …

Global Pump ™ This air-operated pump is remarkably simple and adaptable. It has no diaphragms, seals or bearings. The only parts that move are the intake and outlet valves, and the air valves. The pump uses compressed air passing through a nozzle to create lower pressure in the main chamber (80 PSI needed). The lower …

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Hand Pump This pump is used for hand lotions, i.e. thick (high viscosity) liquids. There are two metal balls inside this pump. The large lower ball fits inside the first few turns of the spring. The middle turns of the spring are of reduced diameter so they act as a stop for the ball. This …

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Jet Pump (Wells) A Jet Pump is a type of impeller-diffuser pump that is used to draw water from wells into residences. It can be used for both shallow (25 feet or less) and deep wells (up to about 200 feet.) Shown here is the underwater part of a deep well jet pump. Above the …

Newby’s Minimum Fluid Inventor John Newby wanted to find the plant irrigation system which would use the least possible amounts of energy and water. Newby developed several patented water delivery systems which he once demonstrated to the author in person, and he sent several models to the author over the last few years of his …

Pulser Pump The Pulser Pump is one of the simplest ways to elevate a portion of a controlled downflow of water. It has no moving parts, and utilizes the operating principle of the AIR LIFT PUMP along with a TROMPE. A Trompe draws air down a pipe along with a large amount of water. The …

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