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Liquid-ring pumps are typically used as vacuum pumps, but can also be used as gas compressors. The function of a liquid-ring pump is similar to a rotary vane pump, with the difference being that the vanes are a rigid part of the rotor and churn a rotating ring of liquid to form the compression-chamber seal. They are an inherently low-friction ...
Best Products Company, Inc., or simply Best, was a chain of American catalog showroom retail stores founded by Sydney and Frances Lewis in 1957 and formerly headquartered in Richmond, Virginia. The company was in existence for four decades before closing all of their stores by February 1997 and completely liquidating by December 1998.
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 ...
The PlayPump water system is a playground merry-go-round attached to a water pump. The spinning motion pumps underground water into a 2,500-liter tank raised seven meters above ground. The water in the tank is easily dispensed by a tap valve. According to the manufacturer the pump can raise up to 1400 liters of water per hour from a depth of 40 ...
For such pumps, the position of the pump and intake tubing should be lower than the suction point so it is primed by gravity; otherwise the pump should be manually filled with liquid or a secondary pump should be used until all air is removed from the suction line and the pump casing. Liquid ring pumps have a dedicated intake for the priming ...
Best Buy Co., Inc. is an American multinational consumer electronics retailer headquartered in Richfield, Minnesota.Originally founded by Richard M. Schulze and James Wheeler in 1966 as an audio specialty store called Sound of Music, it was rebranded under its current name with an emphasis on consumer electronics in 1983.
Additional controls for the Multipress and many new products for the hydraulic industry were developed. In fact, Denison salesmen had to teach their customers about the merits of hydraulics. In 1945, a new line of high speed, lightweight aircraft pumps were introduced and in 1954, Denison, in cooperation with the U.S. Government , purchased a ...
The company was originally named Pansy Ellen Products, and was founded in 1969 primarily as an infant bath and toy manufacturer. [7] In 1992, the company debuted its products in Toys "R" Us stores. [7] The company re-branded in 1993 and changed its name to Kids II, Inc. [7] Kids II began licensing for Disney in 1999. [7]