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Ingersoll Rand Industrial Technologies is a division of Ingersoll Rand.The division manufactures products including air compressors, compressed air treatment and control equipment, turn-key compressed air systems, consumer and commercial tools, pumps and fluid handling systems and material handling and lifting equipment.
A typical nominal regulated gauge pressure from a medical oxygen regulator is 3.4 bars (50 psi), for an absolute pressure of approximately 4.4 bar and a pressure ratio of about 4.4 without back pressure, so they will have choked flow in the metering orifices for a downstream (outlet) pressure of up to about 2.3 bar absolute.
Pneumatic tools are rated using several metrics: Free Speed (rpm), Air Pressure (psi/bar), Air Consumption (cfm/scfm or m3/min), Horse Power (hp), and spindle size.Each individual tool has its own specific requirements which determine their compatibility with air compressor systems.
In 1905, the company merged with Rand Drill Company, which six years prior had begun manufacturing compressors in Painted Post, New York. The result was the Ingersoll Rand Company. [6] In 2000, Flowserve purchased Ingersoll-Dresser Pumps, a business unit of Ingersoll-Rand, for $775 million, creating the world’s second largest pump company. [7]
Centrifugal governors were invented by Christiaan Huygens and used to regulate the distance and pressure between millstones in windmills in the 17th century. [ 4 ] [ 5 ] James Watt designed his first governor in 1788 following a suggestion from his business partner Matthew Boulton .
Needle valves are also commonly used to provide shut off for the pressure gauge or on applicators to shut off the supply of NH3 to the knives in anhydrous ammonia (NH3) applications. [ 2 ] Since flow rates are low and many turns of the valve stem are required to completely open or close, needle valves are not used for simple shutoff applications.
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