• Brief introduction of gate valves

    Brief introduction of gate valves

    1 working principle and function of gate valve: Gate valve belongs to block valve type, which is usually installed on the pipe with diameter greater than 100mm to block or connect the medium flow in the pipe. As the disc is a gate plate, it is generally called gate valve. The gate valve has the a...
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  • Sales staff training on time on Friday

    Sales staff training on time on Friday

    Every Friday is our Laike valve technical training day, by our professional valve technical engineer training sales personnel. We insist on the principle that every salesperson knows the valve, understands the valve, understands the valve technology and understands the working principle of the va...
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  • Detailed method for correct operation of valves II

    Correct operation of safety valve The safety valve has undergone pressure test and constant pressure before installation. When the safety valve runs for a long time, the operator shall pay attention to the inspection of the safety valve. During the inspection, the operator shall avoid the outlet ...
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  • Detailed method for correct operation of valves I

    The valve is a device used to control the direction, pressure and flow of fluid in the fluid system, which can make the medium (liquid, gas, powder) in the piping and equipment flow or stop and control its flow. The valve is an important control part in the fluid transportation system. Preparatio...
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  • Filter selection and Application

    Filter selection and Application

    Principle requirements for filter selection The filter is a small equipment to remove a small amount of solid particles in the liquid, which can protect the normal operation of the equipment. When the fluid enters the filter cartridge with a certain size of filter screen, its impurities are block...
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  • Characteristics of penstock

    Characteristics of penstock

    The so-called pressure pipeline refers to the use of pressure to transport gas, liquid, etc. But not all pipes can be called pressure pipes. Two conditions: 1. Pressure > = 0.1MPa (gauge pressure) 2. Pipe DN > = 25mm Characteristic 1. The pressure pipe is a system, pulling one engine and mo...
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  • Wuhan fighting! China fighting!

    Wuhan fighting! China fighting!

    A novel coronavirus, designated 2019-nCoV, was identified in Wuhan, the capital of China’s Hubei province. As of now, approximately 40,171 cases have been confirmed, including every province-level division of China. Since the outbreak of pneumonia caused by the novel coronavirus, our Chine...
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  • One day tour of Like valve group in Tianjin

    One day tour of Like valve group in Tianjin

    On January 11, 2020, after the annual meeting, Like valve organized all employees to have a tour together. Like valve is a company in Tianjin. Although employees have been working in Tianjin, they are usually busy with production and delivery, and have not really understood Tianjin. So the leader...
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  • Annual summary meeting of Like valve in 2019

    Annual summary meeting of Like valve in 2019

    On January 10, 2020, Like valve held the annual summary meeting. The theme of the annual meeting is “bloom 2020, gather strength together and win-win future”. At 4:30 p.m., all the staff gathered to sing and laugh. In the annual meeting, the achievements in 2019 are summarized, and t...
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  • Equipment basic management “leakage”

    The management of safe and civilized production includes oil leakage, water leakage, steam leakage, smoke leakage, ash leakage, coal leakage, powder leakage and gas leakage, which is what we call “running, emitting, dripping and leaking”. Today, we summarize some preventive measures o...
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  • III Twenty five taboos for dry goods valve installation, how much do you know?

    Taboo 16 Manual valve opening and closing, excessive force Consequence: the valve will be damaged if it is light, and the safety accident will be caused if it is heavy Measures: manual valve, its handwheel or handle, is designed according to common manpower, considering the strength of sealing su...
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  • II Twenty five taboos for dry goods valve installation, how much do you know?

    Taboo 11 Wrong valve installation method. For example, the water (steam) flow direction of stop valve or check valve is opposite to the sign, the valve stem is installed downward, the check valve installed horizontally is installed vertically, the handle of rising stem gate valve or butterfly val...
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  • I Twenty five taboos for dry goods valve installation, how much do you know?

    Valve is the most common equipment in chemical enterprises. It seems easy to install the valve, but if it is not carried out according to the relevant technology, it will cause safety accidents. Today, I would like to share some experience and knowledge about valve installation.  Taboo 1 Water pr...
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  • WETEX 2019 / LIKV valve Dubai show

    WETEX 2019 / LIKV valve Dubai show

    October 21, 2019 the annual WETEX2019 is launched perfectly in Dubai. WETEX shows the latest solutions in conventional and renewable energy, water, sustainability, and conservation. It is a platform for companies to promote their products and services, and meet decision-makers, investors, buyer...
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  • Advantages of stop valve

    The opening and closing parts of the stop valve are plug-shaped disc, the sealing surface is flat or conical, and the disc moves in a straight line along the center line of the fluid. The movement form of the valve rod includes the lifting rod type (the valve rod is lifted and the handwheel is no...
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  • Operating Principle and Advantages and Disadvantages of Butterfly Valve

    Operating Principle and Advantages and Disadvantages of Butterfly Valve

    The butterfly valve opening and closing piece is a disc-shaped butterfly plate, which rotates around its own axis in the body of the valve, thus achieving the opening and closing or regulating of the valve is called the butterfly valve. Butterfly valves are usually less than 90 degrees open and c...
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