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  • A cylinder is a type of pressure vessel. It is a re-inflatable mobile cylinder containing a compressed gas or high-pressure liquefied gas with a design pressure of 1-300kgf/cm2 and a volume of not more than 1m3. It is a kind of pressure vessel commonly used in civil, public welfare and industrial a

    2019.03.08

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  • First, the foam fire extinguisher1. At present, it is mainly chemical foam. In the future, air foam should be developed. The foam can cover the surface of the burning material to prevent air from entering. It is most suitable for fighting liquid fires, and cannot extinguish fires of water-soluble fl

    2019.02.19

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  • Say goodbye to the unforgettable 2018, ushered in the new 2019, January 25, 2019, SEFIC held the company annual meeting.The conference kicked off with the wonderful and true New Year's message from Mr. Michael, the company's general manager. At this annual meeting, SEFIC employees created their own

    2019.01.29

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  • The installation of the pressure reducing valve must be in accordance with the direction of the arrow on the valve body to maintain the direction of fluid flow. If the water quality is not clean and contains some impurities, the filter must be installed at the upstream inlet of the pressure reducing

    2019.01.29

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