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Type 2 Elastomer Bellow Mechanical Seal for ABS Pump VM Series
Elastomer Bellow Mechanical Seal
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Type 2 Elastomer Bellow Mechanical Seal for ABS Pump VM Series

Features:

•  Elastomer bellows rotating

•  Unbalanced

•  Pusher type

•  Bi-directional

•  Parallel spring

•  Self-adjusting head

This component is a widely utilized mechanical seal type suitable for a diverse range of service conditions from water and steam to chemicals and corrosive materials. It is capable for longtime service from light to medium duties ideally applied in the pulp and paper, petrochemical, food processing, wastewater treatment, chemical processing and power generation industries.

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    DETAILS & SPECIFICATIONS

    Product Description

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    This component is a resilient rubber diaphragm seal designed with self-adjusting seal head and mounted parallel spring. The drive of the shaft is achieved by a diaphragm bellows clamping the shaft tightly and providing positive drive to the seal head and sealing face. Its diaphragm seal design protects the shaft and sleeve from wear and scoring as the spring provides constant forces to the contact point, while the drive band and notches eliminate excessive stress on the bellows.
    Its stationary is suitable in metric or imperial UK and European regular length seal chambers, and compatible with the Robot BW 6032, ABS VM 1025, ABS VM 125-26/2 and others.

    Equivalent Products

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    • AESseal®: Type N-P02/ P02T
    • Vulcan®: Type 20
    • JohnCrane®: Type 2 (N SEAT)
    • EagleBurgmann®: Type MG920
    • Flowserve Pac-Seal®: Type 200
    • Lidering®: Type LRB01S
    • U.S. Seal®: Type VGM-G50
    • Sterling®: Type 212
    • Roten®: Type 21

    Our products can work as an alternative to the similar product of above brands with same quality but more affordable price. Our quality management follows ISO9001 standards to ensure excellent product performance.

    Material and Operating Range

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    Material:
    • Rotary ring: Carbon/SiC/TC
    • Stationary ring: 99% Ceramic /SiC/TC
    • O-ring: VITON/NBR/EPDM
    • Spring and Metal Parts: SUS304/SUS316

    * The stationary seat is GWCT20
    * Base plate can be removed if required
    * Customization for this part is supported, please contact us for changing parameters and materials.


    Operating Range:
    • Temperature: -40 ℃～180℃
    • Pressure: ≤1.0 MPa
    • Speed: ≤15 m/s
    • Performance: Less wear



    • Oil
    • Water
    • Sewage water
    • Pulp and paper
    • Food
    • Chemical contents

    Installation Dimensions

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    GW20

    Seal Size D3 D31 D1 L2 L1
    12 23.90  22.80  27.79  8.74  25.60 
    13 23.90  24.00  27.79  8.74  25.60 
    14 26.70  26.70  30.95  10.32  25.60 
    15 26.70  26.70  30.95  10.32  25.60 
    16 31.10  30.40  30.95  10.32  25.60 
    18 31.10  30.40  34.15  10.32  25.60 
    19 33.40  30.40  34.15  10.32  25.60 
    20 33.40  33.40  37.30  10.32  25.60 
    24 39.20  33.40  40.50  10.32  25.60 
    24 39.20  38.00  40.50  10.32  25.60 
    25 39.20  39.30  47.63  10.32  25.60 
    28 46.00  42.00  50.80  11.99  33.54 
    30 47.50  43.90  50.80  11.99  33.54 
    32 47.50  45.80  53.98  11.99  33.54 
    33 52.60  45.80  53.98  11.99  33.54 
    35 52.60  49.30  53.98  11.99  33.54 
    38 55.80  52.80  57.15  11.99  33.54 
    40 62.20  55.80  60.35  11.99  33.54 
    42 66.00  58.80  63.50  11.99  40.68 
    43 66.00  58.80  63.50  11.99  40.68 
    44 66.00  58.80  63.50  11.99  40.68 
    45 66.00  61.00  63.50  11.99  40.68 
    48 66.60  64.00  66.70  11.99  40.68 
    50 71.65  66.00  69.85  13.50  40.68 
    53 73.30  71.50  73.05  13.50  41.20 
    55 78.40  71.50  76.00  13.50  41.20 
    58 82.00  79.60  79.40  13.50  41.20 
    60 82.00  79.60  79.40  13.50  41.20 
    63 84.90  81.50  82.50  13.50  41.20 
    65 88.40  84.60  92.10  15.90  49.20 
    70 92.60  90.00  95.52  15.90  49.20 
    73 94.85  92.00  98.45  15.90  49.20 
    75 101.90  96.80  101.65  15.90  49.20 
    80 104.00  - 114.30  20.00  56.00 
    85 108.00  - 117.50  20.00  56.00 
    90 112.00  - 123.85  20.00  59.00 
    95 119.00  - 127.00  20.00  59.00 
    100 124.00  - 133.35  20.00  62.00 


    Inches Size d D3 D31 D1 L2 L1
    0.375 22.95  20.00  24.60  8.74  25.60 
    0.500  23.90  22.80  27.79  8.74  25.60 
    0.625  26.70  26.70  30.95  10.32  25.60 
    0.750  31.10  30.40  34.15  1032.00  25.60 
    0.875  33.40  33.40  37.30  10.32  25.60 
    1.000  43.20  39.30  40.50  1032.00  25.60 
    1.125  46.30  42.00  47.63  11.99  33.54 
    1.250  49.40  45.80  50.80  11.99  33.54 
    1.375  52.60  49.30  53.98  11.99  33.54 
    1.500  55.80  52.80  57.15  11.99  33.54 
    1.625  62.20  55.50  60.35  11.99  33.54 
    1.750  66.00  61.00  63.50  11.99  40.68 
    1.875  66.60  64.00  66.70  11.99  40.68 
    2.000  73.00  66.00  69.85  13.50  40.68 
    2.125  73.30  71.50  73.05  13.50  41.20 
    2.250  78.40  79.60  76.20  13.50  41.20 
    2.375  82.00  79.60  79.40  13.50  41.20 
    2.500  84.90  81.50  82.55  13.50  41.20 
    2.625  88.40  84.60  92.11  15.90  49.20 
    2.750  92.60  90.00  95.25  15.90  49.20 
    2.785  94.85  92.00  98.45  15.90  49.20 
    3.000  102.70  96.80  101.65  15.90  49.20 
    3.125  104.00  - 111.15  20.00  56.00 
    3.250  104.00  - 114.30  20.00  56.00 
    3.375  108.00  - 117.50  20.00  56.00 
    3.500  112.00  - 120.65  20.00  56.00 
    3.625  114.00  - 123.85  20.00  59.00 
    3.750  119.00  - 127.00  20.00  59.00 
    3.875  121.00  - 130.20  20.00  62.00 
    4.000  124.00  - 133.35  20.00  62.00 

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