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The Nash Engineering Company was founded in 1905 in Norwalk, Connecticut as a manufacturer of liquid ring vacuum pumps.
During the early years, NASH developed vacuum stream heating systems and vacuum sewage collection systems for many of the growing USA cities. NASH also developed vacuum pumps [1] [2] which were applied in the manufacture of pulp and paper and in the sugar industry. [3] [4] [5] During the mid-20th century, NASH continued expanding into industrial markets such as paper, power, petrochemical, general industrial and food markets. [6]
In the early 1960s Nash discontinued sales for commercial markets – vacuum steam heating and sewage collection – to concentrate on the industrial markets. Constant growth continued up to the U.S. recession in 1982. D
In 2002, Nash Engineering attracted private equity finance from Audax (Boston) and merged with Siemens to become Nash Elmo. A 2004 acquisition by Gardner Denver Inc. resulted in Gardner Denver Nash.
A pump is a device that moves fluids, or sometimes slurries, by mechanical action, typically converted from electrical energy into hydraulic or pneumatic energy.
The Roots blower is a positive displacement lobe pump which operates by pumping a fluid with a pair of meshing lobes resembling a set of stretched gears. Fluid is trapped in pockets surrounding the lobes and carried from the intake side to the exhaust.
Atlas Copco is a Swedish multinational industrial company that was founded in 1873. It manufactures industrial tools and equipment.
A magnetic bearing is a type of bearing that supports a load using magnetic levitation. Magnetic bearings support moving parts without physical contact. For instance, they are able to levitate a rotating shaft and permit relative motion with very low friction and no mechanical wear. Magnetic bearings support the highest speeds of any kind of bearing and have no maximum relative speed.
A chiller is a machine that removes heat from a liquid coolant via a vapor-compression, adsorption refrigeration, or absorption refrigeration cycles. This liquid can then be circulated through a heat exchanger to cool equipment, or another process stream. As a necessary by-product, refrigeration creates waste heat that must be exhausted to ambience, or for greater efficiency, recovered for heating purposes. Vapor compression chillers may use any of a number of different types of compressors. Most common today are the hermetic scroll, semi-hermetic screw, or centrifugal compressors. The condensing side of the chiller can be either air or water cooled. Even when liquid cooled, the chiller is often cooled by an induced or forced draft cooling tower. Absorption and adsorption chillers require a heat source to function.
A scroll compressor is a device for compressing air or refrigerant. It is used in air conditioning equipment, as an automobile supercharger and as a vacuum pump. Many residential central heat pump and air conditioning systems and a few automotive air conditioning systems employ a scroll compressor instead of the more traditional rotary, reciprocating, and wobble-plate compressors.
A liquid-ring pump is a rotating positive-displacement gas pump, with liquid under centrifugal force acting as a seal.
Vapour-compression refrigeration or vapor-compression refrigeration system (VCRS), in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and is the most widely used method for air conditioning of buildings and automobiles. It is also used in domestic and commercial refrigerators, large-scale warehouses for chilled or frozen storage of foods and meats, refrigerated trucks and railroad cars, and a host of other commercial and industrial services. Oil refineries, petrochemical and chemical processing plants, and natural gas processing plants are among the many types of industrial plants that often utilize large vapor-compression refrigeration systems. Cascade refrigeration systems may also be implemented using two compressors.
Holman Brothers Ltd. was an English mining equipment manufacturer founded in 1801 based in Camborne.
Lewis H. Nash was an American engineer who invented the liquid-ring-vacuum pump, and was the holder of over a hundred United States patents for pumps, engines, and other equipment. He founded the Nash Engineering Company in 1905, and served as a member of the Connecticut House of Representatives.
Scheugenpflug AG is a manufacturer of adhesive bonding, dispensing, and potting systems for synthetic resins or thermally conductive pastes. In this segment, only few enterprises of super-regional importance are active in the whole world. Target industries include the automotive and electronics industry, telecommunications engineering, medical technology, and the chemical industry.
Ingersoll Rand Inc. is an American multinational company that provides flow creation and industrial products. The company was formed in February 2020 through the spinoff of the industrial segment of Ingersoll-Rand plc and its merger with Gardner Denver. Its products are sold under more than 40 brands across all major global markets.
Sundyne LLC, designs, manufactures, and supports industrial pump and compressor products for the process fluid and gas industries. Sundyne’s products serve the worldwide hydrocarbon and chemical processing, pulp and paper, power generation, and the food and beverage markets. Aftermarket services include spare parts, overhaul and repair as well as engineering and technical support. The company’s products include high-speed centrifugal pumps and compressors, seal-less pumps, and other process-engineered packaging.
Thompson Pump and Manufacturing is a privately held pump manufacturer in Port Orange, Florida. It manufactures engine-powered pumps for construction, bypass, dewatering, wastewater, sewage, mining, petroleum, municipal, agriculture, military and industrial markets.
Albany Pumps are manufactured in Lydney, England by The Albany Engineering Company Limited. It manufactures pumps for industrial, petroleum, fire, and OEM markets.
Edwards Ltd is a British multinational vacuum pump and exhaust gas management systems manufacturer. Its headquarters are in Burgess Hill, UK, and has been part of the Atlas Copco Group since 2014. Edwards holds 1,700 patents, including for dry (oil-free) vacuum pumps, and produces equipment used for manufacturing semiconductors, scientific research, freeze drying and other industries. Its pumps remove contaminants at CERN's Large Hadron Collider. Manufacturing is predominantly handled by subsidiary businesses in the Czech Republic, South Korea, USA and China. Edwards' global research and development facilities remain in the UK.
Belliss and Morcom is a manufacturer and supplier of oil-free reciprocating compressors, technologies and services. Founded in 1852 in Birmingham, West Midlands, it is now a division of Ingersoll Rand based in Redditch, Worcestershire, England.
NEUMAN & ESSER GROUP was founded as a family establishment in Aachen, Germany in 1830. NEA is a manufacturer of reciprocating compressors and grinding systems for several industries, including oil and gas, chemical and petrochemical, food industry and renewable energy.
Sullair is a major American manufacturer of portable and stationary rotary screw air compressors designed for commercial and industrial use. Founded in 1965 in the town of Michigan City, Indiana U.S.A., Sullair has manufacturing facilities in Michigan City that distribute and service air compressor packages and systems worldwide. Sullair also has manufacturing facilities in Suzhou, Jiangsu and Shenzhen, Guangdong China that service the Asian and Australasian markets. Sullair also has offices in Dandenong South, Australia near Melbourne, and in Sunderland, United Kingdom that services markets in the EMEA and Russia.
Air Squared is a vertically integrated research and development (R&D) original equipment manufacturing (OEM) firm headquartered in Thornton, Colorado. Its operations include the design, fabrication, and production of oil-free scroll compressors, vacuum pumps, and expanders. Organized in two divisions, Air Squared Manufacturing handles volume assembly and production whereas Air Squared Inc. handles research and development.
