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    The usage of fire damper, ball valve, safety valve and valve
    There are several types of smoke exhaust fire damper: normally open smoke exhaust fire damper, normally closed smoke exhaust fire damper
    2023-08-30
    Characteristics of electric stainless steel ball valve
    Electric stainless steel ball valve is a new type of valve which appeared in the 1950s. In a short period of more than 30 years
    2023-08-30
    Maintenance methods of various ball valves
    In the long-term use and management process of various safety valves, the enterprise may be damaged at the same time as the electric stainless steel flange ball valve
    2023-08-30
    Life of ferrule joint
    In daily life, many people only pursue the use of ferrule connector, but ignore that ferrule connector also needs maintenance.
    2023-08-30
    Installation method of ferrule joint
    saw off the seamless steel pipe with appropriate size, and the tolerance of the vertical angle between the end face and the axis of the pipe shall not be greater than
    2023-08-30
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