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  • Knife gate valve principle features

    Knife gate valve principle features: 1, knife gate valve ultra-short structure length, save material, can greatly reduce the overall weight of the pipeline system 2, occupy a small effective space, can effectively support the strength of the pipeline, can reduce the possibility of pipeline vibra...
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  • Knife gate valve product application

    Knife gate valve product application: Type knife gate valve has simple and compact structure, reasonable design, lightweight materials, sealing is reliable, flexible and convenient operation, small volume, smooth channel, small flow resistance, light weight, easy to install, easy to remove the a...
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  • Valve common material selection and scope of application(2)

    6, copper alloy valve: suitable for PN≤ 2.5mpa water, sea water, oxygen, air, oil and other media, as well as the temperature of -40 ~ 250℃ steam medium, commonly used for ZGnSn10Zn2(tin bronze), H62, HPB59-1 (brass), QAZ19-2, QA19-4(aluminum bronze). 7, high temperature copper: suitable for nom...
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  • Valve common material selection and scope of application(1)

    Valves according to different applicable media to select materials, general valves can be divided into normal temperature, high temperature, low temperature material selection, corrosion resistance material selection, but also divided into low pressure, medium pressure, high pressure valve selec...
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  • Advantages and disadvantages of various valves (6)

    7, steam trap: in the transmission of steam, compressed air and other media, there will be some condensed water, in order to ensure the efficiency and safe operation of the device, it should be timely discharge of these useless and harmful media, in order to ensure the consumption and use of the...
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  • Advantages and disadvantages of various valves (5)

    5, plug valve: refers to the closing parts into a plunger shaped rotary valve, through 90° rotation to make the valve plug on the channel opening and valve body opening or separate, to open or close a valve. Plug can be cylindrical or conical in shape. Its principle is basically similar to ball ...
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  • Advantages and disadvantages of various valves (4)

    4, globe valve: refers to the closing parts (disc) along the center line of the valve seat movement. According to the moving form of the disc, the change of the valve seat opening is directly proportional to the disc stroke. Due to this kind of valve stem open or close stroke is relatively short...
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  • Advantages and disadvantages of various valves (3)

    3, ball valve: is evolved from the plug valve, its opening and closing parts is a ball, using the ball around the stem axis rotation 90° to realize the purpose of opening and closing. Ball valve is mainly used to cut off, distribute and change the direction of medium flow in the pipeline. The ba...
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  • Advantages and disadvantages of various valves (2)

    2, butterfly valve: butterfly valve is a disc type opening and closing parts reciprocating 90° or so to open, close and adjust the fluid channel of a valve. Advantages: (1) Simple structure, small volume, light weight, consumption materials, not used in large caliber valves; (2) fast opening and...
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  • Advantages and disadvantages of various valves (1)

     1. Gate valve: Gate valve refers to the valve with the closing part (gate) moving along the vertical direction of the channel axis. It is mainly used as the cutting medium in the pipeline, that is, fully open or fully closed. In general, gate valves should not be used to regulate flow. It can b...
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  • What are the features of plug valves?(1)

    What are the features of plug valves? 1, the valve body of the plug valve is integrated, top-mounted design, simple structure, convenient online maintenance, no valve leakage point, support higher pipeline system strength. 2, the medium in the chemical process has a strong corrosive, in the chem...
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  • What is a plug valve ?

    What is a plug valve ? Plug valve is a fast switch through valve, due to the movement between the sealing surface with wipe effect, and in full open can completely prevent contact with the flow medium, so it can also be used in the medium with suspended particles. Another important feature of p...
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