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Manual gate valve apply for power station  购买在 渭源
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    Manual gate valve apply for power station  购买在 渭源
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    Manual gate valve apply for power station  购买在 渭源
    购买 Manual gate valve apply for power station
    Manual gate valve apply for power station

    Manual gate valve apply for power station

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    介绍

    Main characteristics and USES

    1、 compact structure, reasonable design, good rigidity, smooth channel, small flow resistance coefficient. 
    2、 the sealing surface of stainless steel and carbide, long service life. 
    3、using the flexible graphite packing, reliable seal, flexible operation of the light. 
    4、 drive way points in dynamic, electric, qigong, gear transmission, structure: elastic wedge single ram, rigid wedge single ram and double disc type.
    5、 is widely used in petrochemical, oil, steam pipeline, such as coal-fired power plants connected or truncated the medium inside the pipe opening and closing device.

    As the material different, the general medium and the temperature are also different,for example when the material is carbon steel ,the general medium is allowed water、 steam 、oil and the temperature is 425centigrade degree or less.

    Test pressure

    Nominal pressure (MPa)

    Test pressure (MPa)

    shell

    Seal (liquid)

    Seal (gas)

    On the seal

    1.6

    2.4

    1.5

    0.6

    1.8

    2.5

    3.8

    2.8

    2.8

    4

    6

    4.4

    4.4

    6.4

    9.6

    7

    7

    10

    15

    11

    11

    16

    24

    18

    18

     

    The major parts material:

     

    Body and bonnet

    Disc, seat

    The valve stem

    Stem nut

    packing

    The handwheel

    Carbon steel

    High quality carbon steel + hard alloy or stainless steel

    Chromium stainless steel

    Aluminum bronze

    Graphite asbestos packing

    Malleable iron

    Titanium nickel chrome steel

    Stainless steel, stainless steel + carbide

    Chromium nickel titanium stainless steel

    Immersed teflon

    Titanium nickel chrome molybdenum steel

    Stainless steel, stainless steel + carbide

    Chromium nickel titanium stainless steel

    Asbestos packing

    Chrome molybdenum steel

    Alloy steel + carbide

    Aluminum nickel molybdenum steel

    Flexible graphite, four fluorine filling

    Series resistance (sulfur)

    Scope of application:

    Shell material

    General medium

    Suitable temperature (cencigrade degree)

    Carbon steel (C type)

    Water, steam, oil

    425 or less

    Titanium nickel chrome steel (P)

    Nitrate class

    200 or less

    Titanium nickel chrome molybdenum steel (R)

    Acetic acid class

    200 or less

    Chrome molybdenum steel (type I)

    Water, steam, oil

    550 or less

     

     

     

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    Manual gate valve apply for power station
    Manual gate valve apply for power station
    参见 商品 分类 "锅炉设备"

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