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Sundyne centrifugal pumps and compressors are traditionally utilized for processes requiring high-head (pumps: 6,300 ft or 1,921 m)(compressors: 4000 psi or 350 bara), and low-flow (pumps: 1,100 GPM or 250 m3/hr)(compressors: 10000 acfm or 1700 0am3/hr). They are engineered and built to meet the Best Efficiency Point 'BEP' for production processes.
The primary industrial products that were offered by HS included metering and specialty pumps, rotary screw air and gas compressors, pneumatic tools, dryers and filters, high-speed centrifugal pumps, integrally geared compressors, and sealless pumps. Four separate companies that made up the industrial division of Hamilton Sundstrand were:
It has since become one of the leading sources of user-generated reviews and ratings for businesses. Yelp grew in usage and raised several rounds of funding in the following years. By 2010, it had $30 million in revenue, and the website had published about 4.5 million crowd-sourced reviews. From 2009 to 2012, Yelp expanded throughout Europe and ...
On Thursday, United Technologies confirmed that it has completed the sale of its Milton Roy Co., Sullair Corp., and Sundyne Corp., industrial products businesses, to private equity firms The ...
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 ...
Pump curves are quite useful in the pump selection, testing, operation and maintenance. Pump performance curve is a graph of differential head against the operating flow rate. They specify performance and efficiency characteristics. Performance tests are done on the pumps to verify the claims made by the pump maker.
Fig 2: 0: Energy Cost, 1: Compressor Cost, 2: Maintenance Cost (Based on 24/7 operation, $0.08/kWh, full load operation). [4] Most of the expenses from integrating a compressor is the energy cost, as depicted in figure 2. The main factors are the type and size of the compressor. That is what determines the utility and power draw of the machine.
Generally, axial pumps tend to give much lower pressures than centrifugal pumps, and a few bars is not uncommon. Their advantage is a much higher volumetric flowrate. For this reason they are common for pumping liquid hydrogen in rocket engines, because of its much lower density than other propellants which usually use centrifugal pump designs.