This section provides an overview for degassers as well as their applications and principles. Also, please take a look at the list of 14 degasser manufacturers and their company rankings.
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A degasser is a device that removes gases from water. Normally, water contains oxygen and carbon dioxide from the atmosphere. These gases in water can, for example, change the taste and color of drinking water, interfere with chemical reactions, and cause rust in pipes.
Degassers are available in a variety of sizes. For example, there are large degassers used in factories to degas large quantities of water used in manufacturing or as a refrigerant, and small degassers used in laboratories to degas small quantities of water.
Because degassers remove oxygen and carbon dioxide from water, they are used in a variety of industries that handle water. For example, in the beverage and food industries, dissolved oxygen in water directly affects the color and taste of products, so water used in these industries is de-aerated. Piping used to transport hot water or steam is also often de-aerated because dissolved oxygen can cause rust.
Other small degassers are also used in research and development. For example, they are used to degas water used in chemical reactions, or to degas water used in analyzers such as high performance liquid chromatography (HPLC). Degassers are especially essential for devices such as HPLC that use a pump to keep water flowing, as air bubbles can cause pulsations in the pump.
Atmospheric oxygen and carbon dioxide dissolve in water in minute quantities. Since the amount of dissolved oxygen and carbon dioxide is so small, there is no problem when using small amounts of water, but in factories and other places where large amounts of water are used, dissolved oxygen and carbon dioxide can cause unexpected problems. For example, oxygen oxidizes metals, causing rust in pipes. In the food and beverage industry, oxidation from dissolved oxygen can change the color and taste of products.
Degassers remove dissolved oxygen and carbon dioxide. Degassers are equipped with a vacuum pump and a degassing membrane, and water flows through a channel covered by the membrane. Because the flow path is depressurized by the pump, only small molecules, such as dissolved oxygen, pass through the membrane as they pass through the flow path. As a result, gases are removed from the water being passed through.
Degassers can also degas liquids other than water, such as organic solvents. However, it is necessary to check the durability of the membrane against the solvent to avoid swelling or dissolving the membrane. Also, in the case of mixed solutions, it is necessary to confirm that there is no change in the composition of the solution as it passes through the line under reduced pressure.
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Kinequip, Inc. was founded in 1946 in Buffalo, NY as a distributor of industrial parts, accessories, and kits. Today these offerings have grown to include motors, compressors, blower systems, clams, pumps, various fittings, gauges, and sensors, as well as pneumatic and high-pressure devices. Kinequip also serves as a distributor for individual device and parts manufacturers. Kinequip additionally offers custom-designed solutions ranging from R&D to unique components and special-made parts, as well as value added designs on demand.
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