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    +38 067 3607101

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    Mechanical seals

    R-21UK

    Mechanical seal R-21UK

    R-21UK

    Temperature: -20°~145°

    Pressure: ≤1.5 MPa

    Speed: ≤13 m/sec

    Materials

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

    Mechanical seal R-21UK. It is applied to pumps of the Haigh, Hidrostal series, Hilde, Inbeat, INOX, etc. Analog to mechanical seals: Burgmann MG920 / D1-G50 seal. Crane 21 (N SEAT) seal. Flowserve 200 seal, Latty T200 seal, Roten RB02 seal, Roten 21 seal, Sealol 43 CE short seal, Sterling 212 seal, V ulcan 20 seal.

    Mechanical seal R-21UK

    d1 d3 d7 L3 L4
    10 20,50 24,60 25,40 8,74
    12 22 ,50 27,79 25,40 8,74
    14 26,50 30,95 25,40  
    16 26,50 30,95 25,40 10,32
    18 34,00 34,15 25,40 10,32
    20 36,00 35,70 25,40 10,32
    22 36,00 37,30 25,40 10,32
    24 40,00 40,50 25,40 10,32
    25 40,00 40,50 25,40 10,32
    28 42,00 47,63 33,34 11,99
    30 45,00 50,80 33,34 11,99
    32 47,00 50,80 33,34 11,99
    33 50,00 53,98 33,34 11,99
    35 50,00 53,98 33,34 11,99
    38 55,00 57,15 33,34 11,99
    40 57,00 60,35 33,34 11,99
    42 59,00 63,50 40,48 11,99
    43 59,00 63,50 40,48 11,99
    45 65,50 63,50 40,48 11,99
    48 67,50 66,70 40,48 11,99
    50 67,50 69,85 40,48 11,99
    53 72,00 73,05 41,00 13,50
    55 78,50 76,20 41,00 13,50
    58 80,00 79,40 41,00 13,50
    60 80,00 79,40 41,00 13,50
    63 83,00 82,55 41,00 13,50
    65 88,00 92,10 49,00 15,90
    70 90,00 95,25 49,00 15,90
    73 94,00 98,45 49,00 15,90
    75 99,00 101,65 49,00 15,90

    Mechanical seal R-21UK(Inch)

      d1 d3 d7 L3 L4
    0.375 9,53 20,50 24,60 25,40 8,74
    0.500 12,70 22,50 27,79 25,40 8,74
    0.625 15,87 26,50 30,95 25,40 10,32
    0.750 19,05 34,00 34,15 25,40 10,32
    0.875 22,23 36,00 37,30 25,40 10,32
    1.000 25,40 40,00 40,50 25,40 10,32
    1.125 28,58 42,00 47,63 33,34 11,99
    1.250 31,75 47,00 50,80 33,34 11,99
    1.375 34,93 50,00 53,98 33,34 11,99
    1.500 38,10 55,00 57,15 33,34 11,99
    1.625 41,28 57,00 60,35 33,34 11,99
    1.750 44,45 61,50 63,50 40,48 11,99
    1.875 47,63 65,50 66,70 40,48 11,99
    2.000 50,80 67,50 69,85 40,48 11,99
    2.125 53,98 72,00 73,05 41,00 13,50
    2.250 57,15 78,50 76,20 41,00 13,50
    2.375 60,33 80,00 79,40 41,00 13,50
    2.500 63,50 83,00 82,55 41,00 13,50
    2.625 66,68 88,00 92,10 49,00 15,90
    2.750 69,85 90,00 95,25 49,00 15,90
    2.875 73,03 94,00 98,45 49,00 15,90
    3.000 76,20 99,00 101,65 49,00 15,90
    Sort by:
    Mechanical shaft seal R-21UK 25, CAR/SIC, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 25, CAR/SIC, EPDM, 304, N — BTS Engineering
    -5%
    13687_25__CAR/SIC__EPDM__304__N
    Mechanical shaft seal R-21UK 25, CAR/SIC, EPDM, 304, N
    $53
    Price:
    $50
    In stock
    - +
    Mechanical shaft seal R-21UK 1.7/16, SIC/SIC, VITON, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 1.7/16, SIC/SIC, VITON, 304, N — BTS Engineering
    -5%
    13687_1.7/16__SIC/SIC__VITON__304__N
    Mechanical shaft seal R-21UK 1.7/16, SIC/SIC, VITON, 304, N
    $97
    Price:
    $92
    In stock
    - +
    Mechanical shaft seal R-21UK 1, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 1, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_1__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 1, CЕR/CAR, EPDM, 304, N
    $54
    Price:
    $51
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 1.1/2, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 1.1/2, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_1.1/2__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 1.1/2, CЕR/CAR, EPDM, 304, N
    $80
    Price:
    $76
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 1.1/4, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 1.1/4, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -4%
    13687_1.1/4__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 1.1/4, CЕR/CAR, EPDM, 304, N
    $66
    Price:
    $63
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 1.1/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 1.1/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_1.1/8__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 1.1/8, CЕR/CAR, EPDM, 304, N
    $60
    Price:
    $57
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 1.3/4, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 1.3/4, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_1.3/4__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 1.3/4, CЕR/CAR, EPDM, 304, N
    $149
    Price:
    $141
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 1.3/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 1.3/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -4%
    13687_1.3/8__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 1.3/8, CЕR/CAR, EPDM, 304, N
    $73
    Price:
    $70
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 1.5/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 1.5/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_1.5/8__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 1.5/8, CЕR/CAR, EPDM, 304, N
    $138
    Price:
    $131
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 1.7/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 1.7/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_1.7/8__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 1.7/8, CЕR/CAR, EPDM, 304, N
    $160
    Price:
    $152
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 1/2, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 1/2, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -3%
    13687_1/2__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 1/2, CЕR/CAR, EPDM, 304, N
    $27
    Price:
    $26
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 10, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 10, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -4%
    13687_10__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 10, CЕR/CAR, EPDM, 304, N
    $21
    Price:
    $20
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 12, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 12, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -3%
    13687_12__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 12, CЕR/CAR, EPDM, 304, N
    $26
    Price:
    $25
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 14, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 14, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -6%
    13687_14__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 14, CЕR/CAR, EPDM, 304, N
    $30
    Price:
    $28
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 16, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 16, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -3%
    13687_16__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 16, CЕR/CAR, EPDM, 304, N
    $33
    Price:
    $32
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 18, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 18, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_18__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 18, CЕR/CAR, EPDM, 304, N
    $38
    Price:
    $36
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 2, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 2, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -4%
    13687_2__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 2, CЕR/CAR, EPDM, 304, N
    $169
    Price:
    $161
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 2.1/2, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 2.1/2, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_2.1/2__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 2.1/2, CЕR/CAR, EPDM, 304, N
    $212
    Price:
    $201
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 2.1/4, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 2.1/4, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -4%
    13687_2.1/4__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 2.1/4, CЕR/CAR, EPDM, 304, N
    $191
    Price:
    $182
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 2.1/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 2.1/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_2.1/8__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 2.1/8, CЕR/CAR, EPDM, 304, N
    $180
    Price:
    $171
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 2.3/4, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 2.3/4, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_2.3/4__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 2.3/4, CЕR/CAR, EPDM, 304, N
    $234
    Price:
    $222
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 2.3/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 2.3/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -4%
    13687_2.3/8__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 2.3/8, CЕR/CAR, EPDM, 304, N
    $202
    Price:
    $192
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 2.5/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 2.5/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -4%
    13687_2.5/8__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 2.5/8, CЕR/CAR, EPDM, 304, N
    $223
    Price:
    $212
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 2.7/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 2.7/8, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_2.7/8__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 2.7/8, CЕR/CAR, EPDM, 304, N
    $244
    Price:
    $231
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 20, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 20, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -4%
    13687_20__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 20, CЕR/CAR, EPDM, 304, N
    $42
    Price:
    $40
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 22, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 22, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -6%
    13687_22__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 22, CЕR/CAR, EPDM, 304, N
    $47
    Price:
    $44
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 24, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 24, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -4%
    13687_24__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 24, CЕR/CAR, EPDM, 304, N
    $50
    Price:
    $48
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 25, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 25, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_25__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 25, CЕR/CAR, EPDM, 304, N
    $53
    Price:
    $50
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 28, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 28, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_28__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 28, CЕR/CAR, EPDM, 304, N
    $59
    Price:
    $56
    Pre-order only
    - +
    Mechanical shaft seal R-21UK 3, CЕR/CAR, EPDM, 304, N — BTS Engineering
    Mechanical shaft seal R-21UK 3, CЕR/CAR, EPDM, 304, N — BTS Engineering
    -5%
    13687_3__CЕR/CAR__EPDM__304__N
    Mechanical shaft seal R-21UK 3, CЕR/CAR, EPDM, 304, N
    $255
    Price:
    $242
    Pre-order only
    - +
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