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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, VITON, 304, WG — BTS Engineering
    Mechanical seal R-8U 1.1/8, SIC/SIC, VITON, 304, WG — BTS Engineering
    -4%
    13713_1.1/8__SIC/SIC__VITON__304__WG
    Mechanical seal R-8U 1.1/8, SIC/SIC, VITON, 304, WG
    $192
    Price:
    $183
    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
    -5%
    13713_1__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 1, CAR/SIC, VITON, 304, PG
    $171
    Price:
    $162
    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
    $256
    Price:
    $243
    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
    $2,249
    Price:
    $2,137
    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
    -5%
    13713_1.3/4__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 1.3/4, CAR/SIC, VITON, 304, PG
    $330
    Price:
    $313
    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
    $234
    Price:
    $222
    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
    -5%
    13713_1.5/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 1.5/8, CAR/SIC, VITON, 304, PG
    $276
    Price:
    $262
    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
    $354
    Price:
    $336
    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
    $378
    Price:
    $359
    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
    $471
    Price:
    $448
    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
    $425
    Price:
    $403
    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
    $401
    Price:
    $381
    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
    $782
    Price:
    $743
    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
    $449
    Price:
    $426
    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
    -4%
    13713_2.5/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 2.5/8, CAR/SIC, VITON, 304, PG
    $495
    Price:
    $471
    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
    $705
    Price:
    $670
    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
    -5%
    13713_3__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3, CAR/SIC, VITON, 304, PG
    $735
    Price:
    $698
    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
    $857
    Price:
    $814
    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
    $796
    Price:
    $756
    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
    $766
    Price:
    $728
    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
    -5%
    13713_3.3/4__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3.3/4, CAR/SIC, VITON, 304, PG
    $918
    Price:
    $872
    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
    $827
    Price:
    $786
    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
    -4%
    13713_3.5/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3.5/8, CAR/SIC, VITON, 304, PG
    $888
    Price:
    $844
    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
    -4%
    13713_3.7/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 3.7/8, CAR/SIC, VITON, 304, PG
    $949
    Price:
    $902
    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
    $113
    Price:
    $108
    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
    -5%
    13713_4__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 4, CAR/SIC, VITON, 304, PG
    $980
    Price:
    $931
    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
    -4%
    13713_7/8__CAR/SIC__VITON__304__PG
    Mechanical seal R-8U 7/8, CAR/SIC, VITON, 304, PG
    $149
    Price:
    $142
    Pre-order only
    - +
    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
    $175
    Price:
    $166
    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
    -5%
    13713_1__SIC/SIC__VITON__304__PG
    Mechanical seal R-8U 1, SIC/SIC, VITON, 304, PG
    $171
    Price:
    $162
    Pre-order only
    - +
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