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Dewar flask
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Introduce
A Dewar flask is a vessel used for storing low-temperature liquids, typically for storing gases such as liquid nitrogen and helium. Its design inspiration comes from Scottish physicist James Dewar, who invented this bottle in the late 19th century.
The main feature of a Dewar flask is its double-layer structure, with a vacuum or other insulation material between the inner and outer layers to reduce heat conduction. This can effectively maintain the low temperature of the internal liquid, preventing it from evaporating or heating up rapidly. Dewar flasks usually have a wide mouth design for easy pouring of liquids.
Dewar flasks are widely used in low-temperature experiments, sample storage, and cooling in laboratory, medical, and industrial fields.
Hebei Zhengxin Energy Equipment Co., Ltd. is a professional enterprise mainly engaged in the research and development and production of cryogenic equipment and gas equipment. The company has the qualification of pressure pipeline component assembly device (TS27136132027) and pressure pipeline installation (TS3813673-2027), and complies with the international quality management system and has been reviewed by GB/T9001-2016-1S09001:2015 certification and multiple invention patents; the company has been committed to the research and development, design, production, installation, sales and after-sales service of industrial cryogenic equipment and gas transmission and distribution equipment. Our company mainly develops and manufactures: LNG gasification station, gas pressure regulating skid (box), gate station distribution equipment, CNG pressure reducing box (box), low-temperature gasification equipment, LNG filling station equipment, modern workshop centralized gas supply equipment, etc. The company's products are well-known both inside and outside the province for their sound physique, reliable quality, excellent technology and high-quality service. The products are now available in all provinces, cities and autonomous regions in China.
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E-mail: hbzx@gasequipment.com.cn
E-mail: sales@gasequipment.com.cn
WhatsApp: +86-15810525255
Add: East of Fenghuang Road, Nangong City, Xingtai City, Hebei Province, China
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