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    Ceramic seal knife gate valve

    Product Overview

    The ceramic seal knife gate valve has good shear function because of its knife gate. It is most suitable for slurry, powder, fiber and other uncontrollable fluids. It is widely used in papermaking, petrochemical, mining, drainage, food and other industries. With a variety of valve seats to choose from, and according to the field control requirements, equipped with electric or pneumatic actuators, to achieve automatic valve operation.

    Structural characteristics

    1. Ultra-short structure length, save material, and greatly reduce the overall weight of pipeline system;
    2. Small occupancy of effective space, can effectively support the strength of the pipeline, can reduce the possibility of pipeline vibration;
    3. The gate is made of austenitic stainless steel, which can greatly improve the corrosion resistance and effectively prevent the seal leakage caused by the corrosion of the gate;
    4. Flexible PTFE is used as the sealing filler to ensure reliable sealing and flexible operation;
    5. The gate plate has the function of a knife, which can effectively break all kinds of sundries in the brake medium;
    6, the use of hard sealed stainless steel, disc spray welding treatment, can expand the valve on the temperature, pressure requirements.

    Execution standard

    Design specification: JB/T8691-1998
    Length of structure: GB/T12221-2005
    Flange connection: GB/ T9113.1-2000 JB/T79-94
    Tests and inspection: GB/T13927-92

    Performance parameter

    Nominal diameter: DN50 ~ 600mm
    Pressure range: PN1.0mpa
    Working temperature: Rubber ≤80℃ Teflon seal ≤180℃ Hard seal ≤425℃
    Main material: ceramics
    Suitable medium: syrup, pulp, sewage, coal slurry, meeting, slag water mixture

    Product Dimensions

    PN(MPa)

    DN(mm)

    L

    D

    D1
    D2
    H
    N-M

    DO

    PZ73X-6/10/16 PZ73F-6/10/16 PZ73H-6/10/16 PZ73Y-6/10/16

    1.0

    50

    50

    160

    125

    100

    285

    4-M16

    180

    65

    50

    180

    145

    120

    298

    4-M16

    180

    80

    50

    195

    160

    135

    315

    4-M16

    220

    100

    50

    215

    180

    155

    365

    8-M16

    220

    125

    50

    245

    210

    185

    400

    8-M16

    230

    150

    70

    280

    240

    210

    470

    8-M20

    280

    200

    70

    335

    295

    265

    540

    8-M20 .

    360

    250

    70

    390

    350

    320

    630

    12-M20

    360

    300

    80

    440

    400

    368

    780

    12_M20

    400

    350

    90

    500

    460

    428

    885

    16_M20

    400

    400

    100

    565

    515

    482

    990

    16_M22

    400

    450

    120

    615

    565

    532

    1100

    20-M22

    530

    500

    120

    670

    620

    585

    1200

    20-M22

    530

    600

    120

    780

    725

    685

    1450

    20-M27

    600

    700

    130

    895

    840

    800

    1700

    24-M27

    600

    800

    130

    1010

    950

    905

    2000

    24-M30

    680

    900

    140

    1110

    1050

    1005

    2300

    28-M30

    680

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