MECHANICAL SEALS
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    MB3(Inch)

     

            Replace Johncrane 680
                   
              Main Characteristics:
              Pressure: 2Mpa   
              Speed: <25m/s   
              Temperature: -750C 2000C
             MATERIALS:
             Seal Face: Carbon/SIC/TC 
             Stationary Ring: SIC/TC             
             Secondary Seals:NBR/PTFE/VITON/PTFE encapsulated Viton   
             Metal Bellow: SUS316/AM350/Hastelloy-C/Alloy 20/AM350 /Titanium     
             Other Parts: SS304/SS316/Hastelloy-C/Titanium/Alloy 20

    Model 

    d

    D

    L1

    MB3-3/4"

    0.75

    1.312

    1.25

    MB3-7/8"

    0.875

    1.437

    1.25

    MB3-0.937

    0.937

    1.5

    1.25

    MB3-1"

    1

    1.562

    1.25

    MB3-1 1/8"

    1.125

    1.687

    1.25

    MB3-1 1/4"

    1.25

    1.812

    1.312

    MB3-1 3/8"

    1.375

    1.937

    1.437

    MB3-1 1/2"

    1.5

    2.062

    1.437

    MB3-1 5/8"

    1.625

    2.187

    1.437

    MB3-1 3/4"

    1.75

    2.312

    1.437

    MB3-1 7/8"

    1.875

    2.437

    1.5

    MB3-2"

    2

    2.562

    1.5

    MB3-2 1/8"

    2.125

    2.687

    1.5

    MB3-2 1/4"

    2.25

    2.812

    1.562

    MB3-2 3/8"

    2.375

    2.937

    1.562

    MB3-2 1/2"

    2.5

    3.187

    1.562

    MB3-2 5/8"

    2.625

    3.312

    1.625

    MB3-2 3/4"

    2.75

    3.437

    1.625

    MB3-2 7/8"

    2.875

    3.625

    1.687

    MB3-3"

    3

    3.75

    1.687

    MB3-3 1/8"

    3.125

    3.875

    1.75

    MB3-3 1/4"

    3.25

    4

    1.75

    MB3-3 3/8"

    3.375

    4.125

    1.75

    MB3-3 1/2"

    3.5

    4.25

    1.875

    MB3-3 5/8"

    3.625

    4.375

    1.875

    MB3-3 3/4"

    3.75

    4.5

    1.875

    MB3-3 7/8"

    3.875

    4.625

    1.875

    MB3-4"

    4

    4.75

    1.875

     

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