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    • +38 063 3621231

    +38 067 3607101

    +38 095 6563757

    sealing@saleindustry.com

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    +38 063 3621231+38 067 3607101+38 095 6563757
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    Mechanical seals

    R-31K/R-31U

    Mechanical seal R-31K/R-31U

    R-31K/R-31U

    Temperature: -20°~150°

    Pressure: ≤1.5 MPa

    Speed: ≤13 m/sec

    Materials

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

    Mechanical seal R-31K / R-31U. Applies to Haigh series pumps, Hidrostal, Hilde, Inbeat, INOX, etc. Analog: Burgmann MG920 / D1-G50 seal. Crane 2 (N SEAT) seal, Flowserve 200 seal, Latty T200 seal, Pac type 21/31 (UK standart, US standart), Roplan RB02, Roten 21, Sterling 212, Vulcan twenty.

    Mechanical seal R-31K

    (Inch) d1 (H6) d3 (Max) d7 (h8) L3 (±0.5) L4
    0.500 12,70 23,3 27,79 25,40 8,74
    0.625 15,87 30,1 30,95 25,40 10,32
    0.750 19,05 33,1 34,15 25,40 10,32
    0.875 22,23 36,3 37,30 25,40 10,32
    1.000 25,40 39,4 40,50 25,40 10,32
    1.125 28,58 44,5 47,63 33,34 11,99
    1.250 31,75 47,6 50,80 33,34 11,99
    1.375 34,93 50,8 53,98 33,34 11,99
    1.500 38,10 54.0 57,15 33,34 11,99
    1.625 41,28 60,3 60,35 33,34 11,99
    1.750 44,45 60,3 63,50 40,48 11,99
    1.875 47,63 63,9 66,70 40,48 11,99
    2.000 50,80 66,7 69,85 40,48 11,99
    2.125 53,98 74,6 73,05 41.00 13,50
    2.250 57,15 74,6 76,20 41.00 13,50
    2.375 60,33 82.0 79,40 41.00 13,50
    2.500 63,50 86,1 82,55 41.00 13,50
    2.625 66,68 86,1 92,10 49.00 15,90
    2.750 69,85 88,9 95,25 49.00 15,90
    2.875 73,03 96,5 98,45 49.00 15,90
    3.000 76,20 96,5 101,65 49.00 15,90

    Mechanical seal R-31U

    (Inch) d1 (H6) d3 (Max) d7 (h8) L3 (±0.5) L4
    0.500 12,70 23,3 25,40 20,62 7,9
    0.625 15,87 30,1 31,75 22,22 10,3
    0.750 19,05 33,1 34,93 22,22 10,3
    0.875 22,23 36,3 38,10 23,80 10,3
    1.000 25,40 39,4 41,28 25,40 11,1
    1.125 28,58 44,5 44,45 26,97 11,1
    1.250 31,75 47,6 47,63 26,97 11,1
    1.375 34,93 50,8 50,80 28,58 11,1
    1.500 38,10 54.0 53,98 28,58 11,1
    1.625 41,28 60,3 60,33 34,93 12,7
    1.750 44,45 60,3 63,50 34,93 12,7
    1.875 47,63 63,9 66,68 38,10 12,7
    2.000 50,80 66,7 69,85 38,10 12,7
    2.125 53,98 74,6 76,20 42,85 14,3
    2.250 57,15 74,6 79,38 42,85 14,3
    2.375 60,33 82.0 82,55 46,02 14,3
    2.500 63,50 86,1 85,73 46,02 14,3
    2.625 66,68 86,1 85,73 49,20 15,9
    2.750 69,85 88,9 88,90 49,20 15,9
    2.875 73,03 96,5 95,25 52,37 15,9
    3.000 76,20 96,5 98,43 52,37 15,9
    Sort by:
    Mechanical seal R-31K 1, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 1, CAR/CER, EPDM, 304, N — BTS Engineering
    -4%
    13688_1__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1, CAR/CER, EPDM, 304, N
    $42
    Price:
    $40
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    - +
    Mechanical seal R-31K 1.1/2, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 1.1/2, CAR/CER, EPDM, 304, N — BTS Engineering
    -4%
    13688_1.1/2__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.1/2, CAR/CER, EPDM, 304, N
    $61
    Price:
    $58
    Pre-order only
    - +
    Mechanical seal R-31K 1.1/4, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 1.1/4, CAR/CER, EPDM, 304, N — BTS Engineering
    -4%
    13688_1.1/4__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.1/4, CAR/CER, EPDM, 304, N
    $66
    Price:
    $63
    Pre-order only
    - +
    Mechanical seal R-31K 1.1/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 1.1/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -6%
    13688_1.1/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.1/8, CAR/CER, EPDM, 304, N
    $47
    Price:
    $44
    Pre-order only
    - +
    Mechanical seal R-31K 1.3/4, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 1.3/4, CAR/CER, EPDM, 304, N — BTS Engineering
    -5%
    13688_1.3/4__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.3/4, CAR/CER, EPDM, 304, N
    $115
    Price:
    $109
    Pre-order only
    - +
    Mechanical seal R-31K 1.3/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 1.3/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -3%
    13688_1.3/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.3/8, CAR/CER, EPDM, 304, N
    $56
    Price:
    $54
    Pre-order only
    - +
    Mechanical seal R-31K 1.5/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 1.5/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -4%
    13688_1.5/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.5/8, CAR/CER, EPDM, 304, N
    $106
    Price:
    $101
    Pre-order only
    - +
    Mechanical seal R-31K 1.7/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 1.7/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -4%
    13688_1.7/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.7/8, CAR/CER, EPDM, 304, N
    $123
    Price:
    $117
    Pre-order only
    - +
    Mechanical seal R-31K 1/2, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 1/2, CAR/CER, EPDM, 304, N — BTS Engineering
    -4%
    13688_1/2__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1/2, CAR/CER, EPDM, 304, N
    $21
    Price:
    $20
    Pre-order only
    - +
    Mechanical seal R-31K 2, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 2, CAR/CER, EPDM, 304, N — BTS Engineering
    -5%
    13688_2__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2, CAR/CER, EPDM, 304, N
    $131
    Price:
    $124
    Pre-order only
    - +
    Mechanical seal R-31K 2.1/2, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 2.1/2, CAR/CER, EPDM, 304, N — BTS Engineering
    -4%
    13688_2.1/2__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.1/2, CAR/CER, EPDM, 304, N
    $163
    Price:
    $155
    Pre-order only
    - +
    Mechanical seal R-31K 2.1/4, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 2.1/4, CAR/CER, EPDM, 304, N — BTS Engineering
    -5%
    13688_2.1/4__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.1/4, CAR/CER, EPDM, 304, N
    $148
    Price:
    $140
    Pre-order only
    - +
    Mechanical seal R-31K 2.1/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 2.1/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -5%
    13688_2.1/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.1/8, CAR/CER, EPDM, 304, N
    $139
    Price:
    $132
    Pre-order only
    - +
    Mechanical seal R-31K 2.3/4, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 2.3/4, CAR/CER, EPDM, 304, N — BTS Engineering
    -5%
    13688_2.3/4__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.3/4, CAR/CER, EPDM, 304, N
    $180
    Price:
    $171
    Pre-order only
    - +
    Mechanical seal R-31K 2.3/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 2.3/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -5%
    13688_2.3/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.3/8, CAR/CER, EPDM, 304, N
    $155
    Price:
    $147
    Pre-order only
    - +
    Mechanical seal R-31K 2.5/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 2.5/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -5%
    13688_2.5/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.5/8, CAR/CER, EPDM, 304, N
    $172
    Price:
    $163
    Pre-order only
    - +
    Mechanical seal R-31K 2.7/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 2.7/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -5%
    13688_2.7/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.7/8, CAR/CER, EPDM, 304, N
    $188
    Price:
    $178
    Pre-order only
    - +
    Mechanical seal R-31K 3, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 3, CAR/CER, EPDM, 304, N — BTS Engineering
    -5%
    13688_3__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 3, CAR/CER, EPDM, 304, N
    $196
    Price:
    $186
    Pre-order only
    - +
    Mechanical seal R-31K 3/4, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 3/4, CAR/CER, EPDM, 304, N — BTS Engineering
    -6%
    13688_3/4__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 3/4, CAR/CER, EPDM, 304, N
    $31
    Price:
    $29
    Pre-order only
    - +
    Mechanical seal R-31K 5/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 5/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -3%
    13688_5/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 5/8, CAR/CER, EPDM, 304, N
    $26
    Price:
    $25
    Pre-order only
    - +
    Mechanical seal R-31K 7/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31K 7/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -5%
    13688_7/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 7/8, CAR/CER, EPDM, 304, N
    $36
    Price:
    $34
    Pre-order only
    - +
    Mechanical seal R-31U 1, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31U 1, CAR/CER, EPDM, 304, N — BTS Engineering
    -4%
    13690_1__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1, CAR/CER, EPDM, 304, N
    $42
    Price:
    $40
    Pre-order only
    - +
    Mechanical seal R-31U 1.1/2, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31U 1.1/2, CAR/CER, EPDM, 304, N — BTS Engineering
    -4%
    13690_1.1/2__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1.1/2, CAR/CER, EPDM, 304, N
    $61
    Price:
    $58
    Pre-order only
    - +
    Mechanical seal R-31U 1.1/4, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31U 1.1/4, CAR/CER, EPDM, 304, N — BTS Engineering
    -5%
    13690_1.1/4__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1.1/4, CAR/CER, EPDM, 304, N
    $52
    Price:
    $49
    Pre-order only
    - +
    Mechanical seal R-31U 1.1/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31U 1.1/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -6%
    13690_1.1/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1.1/8, CAR/CER, EPDM, 304, N
    $47
    Price:
    $44
    Pre-order only
    - +
    Mechanical seal R-31U 1.3/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31U 1.3/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -3%
    13690_1.3/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1.3/8, CAR/CER, EPDM, 304, N
    $56
    Price:
    $54
    Pre-order only
    - +
    Mechanical seal R-31U 1.5/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31U 1.5/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -4%
    13690_1.5/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1.5/8, CAR/CER, EPDM, 304, N
    $106
    Price:
    $101
    Pre-order only
    - +
    Mechanical seal R-31U 1.7/8, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31U 1.7/8, CAR/CER, EPDM, 304, N — BTS Engineering
    -4%
    13690_1.7/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1.7/8, CAR/CER, EPDM, 304, N
    $123
    Price:
    $117
    Pre-order only
    - +
    Mechanical seal R-31U 1/2, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31U 1/2, CAR/CER, EPDM, 304, N — BTS Engineering
    -4%
    13690_1/2__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1/2, CAR/CER, EPDM, 304, N
    $21
    Price:
    $20
    Pre-order only
    - +
    Mechanical seal R-31U 2, CAR/CER, EPDM, 304, N — BTS Engineering
    Mechanical seal R-31U 2, CAR/CER, EPDM, 304, N — BTS Engineering
    -5%
    13690_2__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 2, CAR/CER, EPDM, 304, N
    $131
    Price:
    $124
    Pre-order only
    - +
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