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  • 2021/3/19
    How to select valve material under high temperature condition?
    Working condition of high temperature including high temperature, high temperature Ⅰ Ⅱ, high temperature, high temperature Ⅲ Ⅳ, high temperature, high temperature Ⅴ level...

  • 2021/3/12
    The construction and operation of rural sewage treatment facilities in China can still reach one trillion levels
    The consensus in the industry is that the market environment has indeed changed profoundly.The industry generally believes that due to the increasingly saturated urban sewage

  • 2021/3/5
    Carbon neutrality leads to heated discussion that a national carbon market will be launched
    How to promote the construction of the national carbon emission rights trading market (referred to as the national carbon market) and complete the related targets of carbon emission reduction on schedule.

  • 2021/1/29
    Operating method of manual valve
    Manual valve is a valve operated by handle and handwheel. It is a common valve used in equipment pipeline.Its handle, hand wheel rotation direction clockwise is closed, counterclockwise is open.

  • 2021/1/22
    Maintenance and operation of new valve before commissioning
    Pre-maintenance of new valves before operation is a progressive construction concept to protect valve seat seals from seat damage during installation, welding and commissioning

  • 2021/1/15
    The valve industry will accelerate industrial transformation and upgrading
    As the control part of the fluid conveying system, the valve has the functions of cut-off, regulation, flow diversion, countercurrent prevention, diversion and pressure relief. There are many kinds and various specifications.

  • 2021/1/8
    Six factors should be considered when selecting sealing surface material of valve
    The sealing surface is the most critical working face of the valve, the quality of the sealing surface directly affects the service life of the valve

  • 2020/12/25
    There are five opportunities for natural gas development during the 14th five-year Plan period
    In recent years, with the large-scale development and utilization of natural gas resources in China, the consumption of natural gas has increased greatly in the fields of power generation, civil use, transportation and chemical industry.

  • 2020/12/18
    Antifreeze and maintenance of valves in winter
    After entering winter, the temperature drops rapidly, the valve often appears the situation of freezing.If left untreated at this point, the pipeline is vulnerable to failure.If it is in some high-risk conditions...

  • 2020/12/11
    The function and advantage of electric explosion-proof ball valve
    The electric explosion-proof ball valve has the characteristics of simple structure, quick switching, large flow capacity, zero leakage and so on. It is suitable for the occasions of high viscosity, containing fiber and solid particle fluid.

  • 2020/12/4
    New regulation | approval rules for special equipment inspection institutions (draft for comment) was released
    Recently, the Official website of the State Administration for Market Regulation issued an announcement, in order to further standardize the approval work of special equipment inspection institutions...

  • 2020/11/27
    What does the valve arrow on the body mean?
    What does the valve arrow on the body mean?The arrow on the body indicates the recommended pressure direction of the valve, not the direction of medium flow...

  • 2020/11/20
    Northwest oil field special tools to solve the gas valve disassembly problem
    Master Huang, your special tool for air valve is so easy to use. I am replacing a valve plate and buffer plate now. It only takes 5 minutes.November 12, after replacing the valve plate and buffer plate of an air valve of Compressor no. 4

  • 2020/11/13
    How to maintain the pneumatic ball valve
    The use of pneumatic ball valves requires good maintenance of these equipment.It is also a very complicated job to maintain the equipment.It's a lot of work...

  • 2020/11/6
    The 18 valve industry standards will be implemented as of January 1, 2021
    According to the Announcement of the Ministry of Industry and Information Technology of the People's Republic of China No. 15 in 2020, the Ministry of Industry and Information Technology of the People's Republic of China has approved and...

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