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A spiral pump, sometimes called a Wirz pump or incorrectly Wirtz pump, is a low lift pump which is composed of a long piece of metal plating, which is wound into a coil and sealed at the top and back extremities so as to resemble a cylinder. The outer cavity serves as the inlet, while the inner (partial) tube serves as the outlet.
Different types of pumps are suitable for different applications, for example: a pump's maximum lift height also determines the applications it can be used for. Low-lift pumps are only suitable for the pumping of surface water (e.g., irrigation, drainage of lands, ...), while high-lift pumps allow deep water pumping (e.g., potable water pumping ...
In 2002, the new generation of VapoChill was released. In 2003, Asetek branched out into liquid cooling with its WaterChill brand of liquid coolers. In 2005, they released the first 12-volt pump system. [2] In the early 2000s, Chip-Con/nVENTIV and its Prometeia line of coolers emerged as the primary competitor to the Asetek Vapochill line.
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Linear peristaltic pump. A form of peristaltic pump was described in The Mechanics Magazine in 1845. The pump used a leather hose which did not need to self-open when released by the rollers, instead relying on the incoming water having sufficient pressure to fill the open inlet end on each cycle. [1]
A chain pump is a type of water pump that uses a chain to move water from one place to another. It works on the principle of a continuous loop of chain moving through a series of sprockets, with attached buckets that lift water as the chain passes over the top sprocket and discharge it as the chain reaches the bottom. [12]
They are sometimes used to block particular contaminants, for example in front of a diffusion pump to trap backstreaming oil, or in front of a McLeod gauge to keep out water. In this function, they are called a cryotrap , waterpump or cold trap , even though the physical mechanism is the same as for a cryopump.