MECHANICAL SEALS
  • Cross Reference(Catalogue)
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  • Cartridge Seals
    		•
  • Metal bellows seals
    		•
  • Replace Burgmann&BT
    		•
  • Replace Johncrane&SEALOL
    		•
  • Flygt Pump seals
    		•
  • Replace Eagle&Latty&Roten&PAC-Seal&Umbra & Chesterton
    		•
  • Replace AES
    		•
  • For Automobile Air-Condition Compressor Seal
    		•
  • For Auto Cooling Pump Seal
    		•
  • Popular seals
    		•
  • Wave Spring and other springs
    		•
    SEALING MATERIAL
  • Tungsten Carbide
    		•
  • SIC & SSIC
    		•
  • Carbon(Graphite)
    		•
  • O-Rings and Rubber Parts
    		•
  • Ceramic
    		•
  • PTFE
    		•
    OIL SEALS
  • TC Double oil seals
    		•
    OTHERS PRODUCTS
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    SJ8-1

     

                          Replace John crane Type 8-1
    　 　 　 　 　 　 　 　
                          Main Characteristics:
                          Pressure: <2.4Mpa   
                          Speed: <25m/s   
                          Temperature: -400C 」 2600C
                          MATERIALS:
                          Seal Face: Carbon/SIC/TC 
                          Stationary Ring: Ceramic/ SIC/TC  
                          Secondary Seal: Pure PTFE/Carbon/NBR/EP/VITON 
                          Spring&Other Parts: SUS316/Alloy 400(Monel)

     
    Model
    d
    D
    d4
    d6
    D1
    L1
    L3
    SJ8-1-1/2"
    12.70
    26.7
    30
    14.5
    25.6
    21.0
    7.90
    SJ8-1-5/8"
    15.87
    30.7
    34
    17.5
    31.95
    19.0
    10.30
    SJ8-1-3/4"
    79.05
    34.0
    37
    21
    35.12
    22.2
    10.30
    SJ8-1-7/8"
    22.22
    37.2
    40
    24
    38.30
    24.0
    10.30
    SJ8-1-1"
    25.40
    40.3
    43
    27.5
    41.48
    25.0
    11.15
    SJ8-1-1 1/8"
    28.57
    43.5
    46
    30.0
    44.65
    27.0
    11.15
    SJ8-1-1 1/4"
    31.75
    48.3
    51
    33.5
    47.83
    27.0
    11.15
    SJ8-1-1 3/8"
    34.92
    51.5
    54
    37
    51.00
    29.0
    11.15
    SJ8-1-1 1/2"
    38.10
    54.6
    58
    40
    54.18
    29.0
    11.15
    SJ8-1-1 5/8"
    41.27
    61.0
    64
    43.5
    60.53
    35.0
    12.75
    SJ8-1-1 3/4"
    44.45
    64.2
    67
    46.5
    63.70
    35.0
    12.75
    SJ8-1-1 7/8"
    47.62
    67.3
    70
    49.5
    66.88
    35.0
    12.75
    SJ8-1-2"
    50.80
    70.5
    73
    53
    70.05
    35.0
    12.75
    SJ8-1-2 1/8"
    53.97
    76.9
    80
    56
    76.40
    43.0
    14.33
    SJ8-1-2 1/4"
    57.15
    80.0
    83
    59
    79.58
    43.0
    14.33
    SJ8-1-2 3/8"
    60.32
    83.2
    86
    62.5
    82.75
    43.0
    14.33
    SJ8-1-2 1/2"
    63.50
    86.4
    89
    65.5
    85.93
    43.0
    14.33
    SJ8-1-2 5/8"
    66.67
    89.6
    92
    68.5
    85.93
    43.0
    15.93
    SJ8-1-2 3/4"
    69.85
    92.7
    96
    72
    89.10
    43.0
    15.93
    SJ8-1-2 7/8"
    73.02
    95.9
    99
    75
    95.45
    43.0
    15.93
    SJ8-1-3"
    76.20
    97.5
    100
    78.5
    98.63
    43.0
    15.93
    SJ8-1-3 1/8"
    79.37
    100.7
    104
    81.5
    101.8
    43.0
    19.84
    SJ8-1-3 1/4"
    82.55
    105.4
    108
    84.5
    104.98
    43.0
    19.84
    SJ8-1-3 3/8"
    85.73
    108.6
    111
    88.5
    108.15
    43.0
    19.84
    SJ8-1-3 1/2"
    88.90
    111.8
    115
    91.0
    111.13
    43.0
    19.84
    SJ8-1-3 5/8"
    92.08
    115.0
    118
    94.0
    114.35
    43.0
    19.84
    SJ8-1-3 3/4"
    95.25
    118.1
    121
    97.5
    117.68
    43.0
    19.84
    SJ8-1-3 7/8"
    98.43
    121.3
    124
    100.5
    120.85
    43.0
    19.84
    SJ8-1-4"
    101.60
    124.5
    127
    103.5
    124.03
    43.0
    19.84
    SJ8-1-4 1/8"
    104.78
    130.2
    134
    107.5
    130.38
    42.9
    19.84
    SJ8-1-4 1/4"
    107.95
    133.4
    137
    110.0
    133.55
    42.9
    19.84
    SJ8-1-4 3/8"
    111.13
    136.5
    140
    113.5
    136.72
    42.9
    19.84
    SJ8-1-4 1/2"
    114.30
    139.7
    143
    116.5
    139.90
    42.9
    19.84
    SJ8-1-4 5/8"
    117.48
    142.9
    146
    116.5
    143.08
    42.9
    19.84
    SJ8-1-4 3/4"
    120.65
    146.1
    149
    122.5
    146.25
    42.9
    19.84
    SJ8-1-4 7/8"
    123.83
    149.2
    153
    126.0
    149.43
    42.9
    19.84
    SJ8-1-5"
    127.00
    152.4
    156
    129.0
    152.60
    42.9
    19.84
    SJ8-1-5 1/8"
    130.18
    155.6
    159
    132.0
    155.77
    42.9
    19.84
    SJ8-1-5 1/4"
    133.35
    165.1
    168
    135.5
    158.95
    50.8
    19.84
    SJ8-1-5 3/8"
    136.53
    161.9
    165
    138.5
    162.12
    50.8
    19.84
    SJ8-1-5 1/2"
    139.70
    171.5
    175
    141.5
    165.30
    50.8
    19.84
    SJ8-1-5 5/8"
    142.88
    174.6
    178
    145.0
    168.47
    50.8
    19.84
    SJ8-1-5 3/4"
    146.05
    177.8
    181
    149.0
    177.23
    50.8
    25.40
    SJ8-1-5 7/8"
    149.23
    181.0
    184
    152.5
    180.41
    50.8
    25.40
     
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