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    I. Overview

    FP-type reinforced polypropylene centrifugal pump and FS-type engineering plastic centrifugal pump series use mechanical seals. CFR-PP (reinforced polypropylene) and modified ABS (engineering plastic) are used as the material of the pump. Their structures are reasonable, light weight, Small size and long life. , Widely used in chemical, food, pharmaceutical, electroplating, papermaking, environmental protection, water treatment and other departments, transporting corrosive liquids such as acid, alkali, salt Among them, 104 type adopts 220V voltage, which can be used by families.

    Structure chart

    1. Pump casing 2. Impeller-shaft assembly 3. Mechanical seal 4. Pump cover 5. Motor

    Third, the model description

    Such as: FP (FS) 32-25-100 (104)

    FP-reinforced polypropylene centrifugal pump

    FS-Engineering Plastic Centrifugal Pump

    32-Inlet diameter (mm)

    25-exit diameter (mm)

    100-Nominal diameter of impeller (mm)

    (104)-Code 104

    Performance parameters:

    model

    caliber

    flow

    m3 / h

    Head

    m

    Suction

    Rotating speed

    r / min

    Voltage

    v

    Motor

    Power kw

    import

    Export

    20-15-100 (105)

    20

    15

    3

    7

    4

    2900

    380

    0.75

    32-25-100 (104)

    32

    25

    4

    7

    6.5

    220

    0.55

    32-25-105 (103)

    32

    25

    6.3

    8

    6.5

    380

    0.75

    40-32-125 (102)

    40

    32

    12.5

    20

    6.5

    380

    1.5

    50-40-130 (101.5)

    50

    40

    13

    twenty two

    6

    380

    2.2

    65-50-150 (101)

    65

    50

    25

    25

    6

    380

    4

    50FP-22

    50

    40

    13

    twenty two

    6

    380

    2.2

    65FP-25

    65

    50

    20

    25

    6

    380

    4

    80FP-28

    80

    65

    50

    28

    4

    380

    5.5

    80FP-32

    80

    65

    50

    32

    4

    380

    7.5

    Five, pump failure forms and troubleshooting methods

    Failure form

    cause

    Method of exclusion

    No liquid from the pump

    1. Pump reverse
    2. Leak in the inlet pipe
    3. Too little fluid in pump cavity
    4. Suction is too high
    5. Foot valve leaks
    6. Impeller blocked
    1. Change motor wiring
    2. Prevent air leaks
    3. Increase liquid storage
    4. Lower pump installation position
    5. Cleaning foot valve
    6. Cleaning the pump casing and impeller

    Insufficient traffic

    1. The suction pipe diameter is too small
    2. Impeller flow path blocked
    3. Head is too high
    4. Air leaks into the suction line
    5. Impeller damaged
    1. Changing the liquid inlet
    2. Cleaning impeller
    3. Open the large discharge valve
    4. Prevent air leaks
    5. Replace the impeller

    Head is too low

    1. Traffic too
    2. Speed is too low
    1. Close the small water outlet valve
    2. Restore rated speed

    Noise is too low

    1. Debris in the pump
    2. Rubbing of rotating parts and fixed parts
    3. Severe shaft wear
    1. Check clean up
    2. Adjustment gap
    3. Replace the pump shaft

    Leak

    1. Loose pump casing fixing screws
    2. Severe mechanical seal wear
    1. Tighten the screws
    2. Replace mechanical seal

    沪ICP备11024687号 上海上久泵业制造有限公司 Copyright Shanghai ICP No. 11024687 Shanghai Shangjiu Pump Manufacturing Co., Ltd. Shanghai Public Network Security No. 31010702002167

    Contact: Mr. Lin Tel: 021-62821119 上海珍岛 Technical Support: Shanghai Zhendao

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