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    Mechanical seals

    R-109/R-8U

    Mechanical seal R-109/8U

    R-109/8U

    Temperature: -40°~200°

    Pressure: ≤2.4 MPa

    Speed: ≤25 m/sec

    Materials

    • Rotary ring: Carbon/SIC
    • Stationary ring: SIC/TC
    • Bellows: EPDM/VITON/PTFE
    • Spring: SS304 / SS316.
    • Metal parts: SS304 / SS316.

    Single mechanical seal R-109 / 8U. The mechanical seals of this series have a compact structure and high resistance to aggressive environments. Mechanical seal equivalent: John Crane 109, 8-1, Asseal.

      d1 (H6) d3 (Max) d7 (h8) L3 (±0.5) L4 D10 (h8) L20
    0.750 19.05 34.0 34.93 22.2 10.3 48.0 17.6
    0.875 22.23 37.2 38.10 23.8 10.3 51.0 17.6
    1.000 25.40 40.3 41.28 25.4 11.1 54.0 17.6
    1.125 28.58 43.5 44.45 27.0 11.1 62.0 27.0
    1.250 31.75 48.3 47.63 27.0 11.1 68.0 27.0
    1.375 34.93 51.5 50.80 28.6 11.1 71.0 27.0
    1.500 38.10 54.6 53.98 28.6 11.1 78.0 27.0
    1.625 41.28 61.0 60.33 35.0 12.7 81.0 27.0
    1.750 44.45 64.2 63.50 35.0 12.7 84.0 27.0
    1.875 47.63 67.3 66.68 35.0 12.7 87.0 27.0
    2.000 50.80 70.5 69.85 35.0 12.7 97.0 33.3
    2.125 53.98 76.9 76.20 43.0 14.3 100.0 33.3
    2.250 57.15 80.0 79.38 43.0 14.3 103.0 33.3
    2.375 60.33 83.2 82.55 43.0 14.3 106.0 33.3
    2.500 63.50 86.4 85.73 43.0 14.3 110.0 33.3
    2.625 66.68 89.6 85.73 43.0 15.9 113.0 33.3
    2.750 69.85 92.7 88.90 43.0 15.9 116.0 33.3
    2.875 73.03 98.9 95.25 43.0 15.9 117.0 33.3
    3.000 76.02 97.5 98.43 43.0 15.9 121.0 33.3
    3.125 79.38 100.7 101.60 43.0 19.8 - 33.3
    3.250 82.55 105.4 104.78 43.0 19.8 132.0 33.3
    3.375 85.73 108.6 107.95 43.0 19.8 - 33.3
    3.500 88.90 111.8 111.13 43.0 19.8 138.0 33.3
    3.625 92.08 115.0 114.30 43.0 19.8 - 33.3
    3.750 95.25 118.1 117.48 43.0 19.8 144.0 33.3
    3.875 98.43 121.3 120.65 43.0 19.8 - 33.3
    4.000 101.60 124.5 123.83 43.0 19.8 151.0 33.3
    Sort by:
    Mechanical seal R-8U 1.1/8, SIC/SIC, EPDM, 304, WG — BTS Engineering
    Mechanical seal R-8U 1.1/8, SIC/SIC, EPDM, 304, WG — BTS Engineering
    -5%
    13713_1.1/8__SIC/SIC__EPDM__304__WG
    Mechanical seal R-8U 1.1/8, SIC/SIC, EPDM, 304, WG
    $212.96
    Price:
    $202.31
    In stock
    - +
    Mechanical seal R-8U 1, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 1, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_1__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 1, CAR/SIC, VITON, 304, PG
    $208
    Price:
    $197.61
    Pre-order only
    - +
    Mechanical seal R-8U 1.1/2, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 1.1/2, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_1.1/2__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 1.1/2, CAR/SIC, VITON, 304, PG
    $311.92
    Price:
    $296.32
    Pre-order only
    - +
    Mechanical seal R-8U 1.1/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 1.1/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_1.1/4__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 1.1/4, CAR/SIC, VITON, 304, PG
    $2,748.41
    Price:
    $2,611
    Pre-order only
    - +
    Mechanical seal R-8U 1.1/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 1.1/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_1.1/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 1.1/8, CAR/SIC, VITON, 304, PG
    $234.29
    Price:
    $222.57
    Pre-order only
    - +
    Mechanical seal R-8U 1.3/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 1.3/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_1.3/4__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 1.3/4, CAR/SIC, VITON, 304, PG
    $402.64
    Price:
    $382.52
    Pre-order only
    - +
    Mechanical seal R-8U 1.3/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 1.3/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_1.3/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 1.3/8, CAR/SIC, VITON, 304, PG
    $285.57
    Price:
    $271.29
    Pre-order only
    - +
    Mechanical seal R-8U 1.5/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 1.5/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_1.5/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 1.5/8, CAR/SIC, VITON, 304, PG
    $336.81
    Price:
    $319.98
    Pre-order only
    - +
    Mechanical seal R-8U 1.7/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 1.7/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_1.7/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 1.7/8, CAR/SIC, VITON, 304, PG
    $431.94
    Price:
    $410.34
    Pre-order only
    - +
    Mechanical seal R-8U 2, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 2, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_2__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 2, CAR/SIC, VITON, 304, PG
    $461.31
    Price:
    $438.24
    Pre-order only
    - +
    Mechanical seal R-8U 2.1/2, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 2.1/2, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_2.1/2__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 2.1/2, CAR/SIC, VITON, 304, PG
    $575.50
    Price:
    $546.74
    Pre-order only
    - +
    Mechanical seal R-8U 2.1/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 2.1/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_2.1/4__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 2.1/4, CAR/SIC, VITON, 304, PG
    $518.46
    Price:
    $492.52
    Pre-order only
    - +
    Mechanical seal R-8U 2.1/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 2.1/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_2.1/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 2.1/8, CAR/SIC, VITON, 304, PG
    $489.06
    Price:
    $464.61
    Pre-order only
    - +
    Mechanical seal R-8U 2.3/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 2.3/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_2.3/4__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 2.3/4, CAR/SIC, VITON, 304, PG
    $954.73
    Price:
    $907
    Pre-order only
    - +
    Mechanical seal R-8U 2.3/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 2.3/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_2.3/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 2.3/8, CAR/SIC, VITON, 304, PG
    $547.61
    Price:
    $520.22
    Pre-order only
    - +
    Mechanical seal R-8U 2.5/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 2.5/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_2.5/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 2.5/8, CAR/SIC, VITON, 304, PG
    $604.77
    Price:
    $574.53
    Pre-order only
    - +
    Mechanical seal R-8U 2.7/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 2.7/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_2.7/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 2.7/8, CAR/SIC, VITON, 304, PG
    $861.02
    Price:
    $817.97
    Pre-order only
    - +
    Mechanical seal R-8U 3, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 3, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_3__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3, CAR/SIC, VITON, 304, PG
    $897.58
    Price:
    $852.72
    Pre-order only
    - +
    Mechanical seal R-8U 3.1/2, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 3.1/2, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_3.1/2__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3.1/2, CAR/SIC, VITON, 304, PG
    $1,047
    Price:
    $994.65
    Pre-order only
    - +
    Mechanical seal R-8U 3.1/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 3.1/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_3.1/4__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3.1/4, CAR/SIC, VITON, 304, PG
    $972.26
    Price:
    $923.64
    Pre-order only
    - +
    Mechanical seal R-8U 3.1/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 3.1/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_3.1/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3.1/8, CAR/SIC, VITON, 304, PG
    $935.70
    Price:
    $888.92
    Pre-order only
    - +
    Mechanical seal R-8U 3.3/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 3.3/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_3.3/4__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3.3/4, CAR/SIC, VITON, 304, PG
    $1,121.63
    Price:
    $1,065.55
    Pre-order only
    - +
    Mechanical seal R-8U 3.3/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 3.3/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_3.3/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3.3/8, CAR/SIC, VITON, 304, PG
    $1,010.34
    Price:
    $959.84
    Pre-order only
    - +
    Mechanical seal R-8U 3.5/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 3.5/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_3.5/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3.5/8, CAR/SIC, VITON, 304, PG
    $1,085.09
    Price:
    $1,030.83
    Pre-order only
    - +
    Mechanical seal R-8U 3.7/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 3.7/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_3.7/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3.7/8, CAR/SIC, VITON, 304, PG
    $1,159.71
    Price:
    $1,101.72
    Pre-order only
    - +
    Mechanical seal R-8U 3/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 3/4, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_3/4__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3/4, CAR/SIC, VITON, 304, PG
    $137.68
    Price:
    $130.80
    Pre-order only
    - +
    Mechanical seal R-8U 4, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 4, CAR/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_4__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 4, CAR/SIC, VITON, 304, PG
    $1,197.75
    Price:
    $1,137.87
    Pre-order only
    - +
    Mechanical seal R-8U 7/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 7/8, CAR/SIC, VITON, 304, PG — BTS Engineering
    -5%
    13713_7/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 7/8, CAR/SIC, VITON, 304, PG
    $181.60
    Price:
    $172.52
    Pre-order only
    - +
    Mechanical seal R-8U 1, SIC/SIC, VITON, 304, PG — BTS Engineering
    Mechanical seal R-8U 1, SIC/SIC, VITON, 304, PG — BTS Engineering
    -4%
    13713_1__SIC/SIC__VITON__304__PG
    Mechanical seal R-8U 1, SIC/SIC, VITON, 304, PG
    $208
    Price:
    $197.61
    Pre-order only
    - +
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