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    +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
    13688_1__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1, CAR/CER, EPDM, 304, N
    Price:
    $50.49
    Pre-order only
    - +
    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
    13688_1.1/2__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.1/2, CAR/CER, EPDM, 304, N
    Price:
    $74.31
    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
    13688_1.1/4__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.1/4, CAR/CER, EPDM, 304, N
    Price:
    $80.22
    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
    13688_1.1/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.1/8, CAR/CER, EPDM, 304, N
    Price:
    $56.49
    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
    13688_1.3/4__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.3/4, CAR/CER, EPDM, 304, N
    Price:
    $139.67
    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
    13688_1.3/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.3/8, CAR/CER, EPDM, 304, N
    Price:
    $68.38
    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
    13688_1.5/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.5/8, CAR/CER, EPDM, 304, N
    Price:
    $129.25
    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
    13688_1.7/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1.7/8, CAR/CER, EPDM, 304, N
    Price:
    $150.13
    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
    13688_1/2__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 1/2, CAR/CER, EPDM, 304, N
    Price:
    $25.28
    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
    13688_2__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2, CAR/CER, EPDM, 304, N
    Price:
    $159.01
    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
    13688_2.1/2__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.1/2, CAR/CER, EPDM, 304, N
    Price:
    $199.13
    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
    13688_2.1/4__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.1/4, CAR/CER, EPDM, 304, N
    Price:
    $179.79
    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
    13688_2.1/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.1/8, CAR/CER, EPDM, 304, N
    Price:
    $169.38
    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
    13688_2.3/4__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.3/4, CAR/CER, EPDM, 304, N
    Price:
    $219.93
    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
    13688_2.3/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.3/8, CAR/CER, EPDM, 304, N
    Price:
    $188.72
    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
    13688_2.5/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.5/8, CAR/CER, EPDM, 304, N
    Price:
    $209.50
    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
    13688_2.7/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 2.7/8, CAR/CER, EPDM, 304, N
    Price:
    $228.79
    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
    13688_3__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 3, CAR/CER, EPDM, 304, N
    Price:
    $239.25
    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
    13688_3/4__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 3/4, CAR/CER, EPDM, 304, N
    Price:
    $37.20
    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
    13688_5/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 5/8, CAR/CER, EPDM, 304, N
    Price:
    $31.26
    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
    13688_7/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31K 7/8, CAR/CER, EPDM, 304, N
    Price:
    $43.08
    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
    13690_1__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1, CAR/CER, EPDM, 304, N
    Price:
    $50.49
    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
    13690_1.1/2__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1.1/2, CAR/CER, EPDM, 304, N
    Price:
    $74.31
    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
    13690_1.1/4__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1.1/4, CAR/CER, EPDM, 304, N
    Price:
    $62.40
    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
    13690_1.1/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1.1/8, CAR/CER, EPDM, 304, N
    Price:
    $56.49
    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
    13690_1.3/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1.3/8, CAR/CER, EPDM, 304, N
    Price:
    $68.38
    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
    13690_1.5/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1.5/8, CAR/CER, EPDM, 304, N
    Price:
    $129.25
    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
    13690_1.7/8__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1.7/8, CAR/CER, EPDM, 304, N
    Price:
    $150.13
    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
    13690_1/2__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 1/2, CAR/CER, EPDM, 304, N
    Price:
    $25.28
    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
    13690_2__CAR/CER__EPDM__304__N
    Mechanical seal R-31U 2, CAR/CER, EPDM, 304, N
    Price:
    $159.01
    Pre-order only
    - +
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