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  • Ball valve installation method

    Several common valves used in industrial pipelines, ball valves are the most widely used, whether it is ordinary medium pipelines for water, oil and gas or harsh working conditions containing high-hardness particles, whether it is low temperature, high temperature, or corrosive environment, you ...
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  • Development and Application of Metal Seal Butterfly Valve

    The disadvantage of the rubber seal butterfly valve is that when it is used for throttling, cavitation will occur due to improper use, causing the rubber seat to peel off and damage. For this reason, metal-sealed butterfly valves have been developed internationally, and the cavitation zone has...
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  • The production for Triple eccentric butterfly valve

    Triple eccentric butterfly valve,also known as triple offset butterfly valve,is one kind of high performance butterfly valves,designed for working conditions of high pressure,high temperature,and high frequencies of open and close. Concentric rubber lined butterfly valve,with mature design and ma...
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  • Butterfly valve test and installation troubleshooting methods

      Butterfly valve test and adjustment: 1. The butterfly valve is a manual, pneumatic, hydraulic, and electric component that has been strictly debugged before leaving the factory. When rechecking the sealing performance, the user should evenly fix both sides of the inlet and outlet, close the b...
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  • Performance and working principle of triple eccentric metal hard seal butterfly valve

    The working principle of the triple eccentric metal hard seal butterfly valve: For triple eccentric metal sealing butterfly valves, in addition to the two eccentricity of the valve stem and the valve plate, the sealing surface of the valve plate and the valve seat is in the shape of an obliqu...
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  • The installation and maintenance of globe valves

    Globe valve in operation, all kinds of valve parts should be complete and intact. Bolts on the flange and bracket are indispensable. Thread should be intact and no loosening is allowed. Fastening nut on handwheel, if found loose should be tightened in time, so as not to wear the connection or l...
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  • Globe valve advantages

    (1) the structure of the globe valve is simpler than the gate valve, and the manufacture and maintenance are more convenient. (2) the sealing surface is not easy to wear and scratch, good sealing, open and close between the valve disc and the valve body sealing surface without relative sliding, ...
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  • Comparison of the advantages and disadvantages of electric valves and pneumatic valves, the difference between electric valves and pneumatic valves

    Electric valve Electric valve actuators are mainly used in power plants or nuclear power plants, because the high-pressure water system requires a smooth, stable and slow process. The main advantages of electric actuators are high stability and constant thrust that users can apply. The maximum t...
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  • The characteristics of Forging valves

         1. Forging: It is a processing method that uses forging machinery to apply pressure to metal blanks to produce plastic deformation to obtain forgings with certain mechanical properties, certain shapes and sizes. 2. One of the two major components of forging. Through forging, the as-cast...
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  • The characteristics of Casting valves

    Casting valves are valves made by casting. Generally, the pressure ratings of cast valves are relatively low (such as PN16, PN25, PN40, but there are also high-pressure ones, which can reach 1500Lb, 2500Lb), and most of their calibers are above DN50. Forged valves are forged and are generally u...
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  • A Batch Of Large Size Gate Valve ready for Shipment

    Large size cast iron gate valves  are ready for shipment . It will take China-Europe train  to Europe.   Large size Cast Iron Gate Valve is widely used the main line of water supply,water industry,water supply and drainage,waste water treatment,urban water supply system. Metal seated wi...
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  • Correct installation of valve gaskets

    To ensure the sealing of the valve piping system, in addition to selecting suitable sealing materials, it is also necessary to install the gasket in the following correct manner: The gasket must be placed in the center of the flange, which is especially important for shoulder flanges; to ensure ...
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