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The first MPR nozzles, the MP Rotator, were produced by Nelson Irrigation in 2003, and acquired by Hunter Industries in 2007. [4] [5] [6] Since then the popularity of these highly uniform yet low application sprinklers has caused every major sprinkler manufacturer to produce their own version of an MPR sprinkler, including Rain Bird [7] and Toro.
In 1948, Toro acquired Whirlwind Corp. and introduced a bagging system to rotary mowers. [8] It created its first snowblower in 1951, and in 1956 was the first lawn and garden manufacturer to advertise on television. [9] Toro purchased an irrigation equipment manufacturer in 1962 and entered the underground irrigation business. [9]
Impact sprinkler head. An impact sprinkler (sometimes called an impulse sprinkler) is a type of irrigation sprinkler in which the sprinkler head, driven in a circular motion by the force of the outgoing water, pivots on a bearing on top of its threaded attachment nut. Invented in 1933 by Orton Englehart, it quickly found widespread use.
A sprinkler activation will usually do less water damage than a fire department hose stream (which provide approximately 900 litres/min (250 US gallons/min). A typical sprinkler used for industrial manufacturing occupancies discharges about 75–150 litres/min (20–40 US gallons/min).
A rotodynamic pump is a kinetic machine in which energy is continuously imparted to the pumped fluid by means of a rotating impeller, propeller, or rotor, in contrast to a positive-displacement pump in which a fluid is moved by trapping a fixed amount of fluid and forcing the trapped volume into the pump's discharge. [1]
Pope Products Ltd. was an Australian manufacturer, based in Beverley, South Australia, best remembered for washing machines and refrigerators. The company was founded in 1935 by Sidney Barton Pope (18 February 1905 – 2 September 1983) (generally referred to as "Barton" or "S. Barton Pope" and from 1959 "Sir Barton") and his brother Harley Clifford Pope (6 April 1908 – ) to manufacture ...