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  • Xinhui Valve Network
  • China · Xinhui Valve Co., Ltd.

    Phone: 0577-57760066 57760077
    Fax: 0577-57760099
    Website: http://ozarkdirt.com
    QQ: Click here to send me a message
    Address: Xiaojingyu Industrial Zone, Qiaoxia Town, Yongjia County, Zhejiang Province
    Hard seal flange butterfly valve
    Hard seal flange butterfly valve

    Metal hard seal butterfly valve adopts three eccentric seal structure, the valve seat and butterfly plate have almost no wear, and it has a tighter sealing function
    使用寿命长等特点 The sealing ring is made of stainless steel, which has the dual advantages of metal hard seal and elastic seal. It has excellent sealing performance at low and high temperatures, corrosion resistance and long service life.
    The sealing surface of the butterfly plate is made of welded cobalt-based hard alloy. The sealing surface is resistant to wear and has a long service life.
    The large size butterfly board adopts the stern frame structure, which has high strength, large overcurrent area and small flow resistance.
    Metal hard-seal butterfly valve has a two-way sealing function. It is not restricted by the flow direction of the medium and is not affected by the space position during installation. It can be installed in any direction.
    °或180 °)安装,便于用户使用 The drive unit can be installed in multiple stations (rotated 90 ° or 180 °) for user convenience

    D343W-16P stainless steel hard seal butterfly valve
    Design specification: GB / T 12238
    Structure length: GB / T 12221
    Flange connection: GB / T 9113
    Test and inspection: GB / T 13927
    Product identification: GB / T 12220

    Performance parameters of D343W-16P stainless steel hard seal butterfly valve

    model

    D343H-10
    D343H-16
    D343H-25
    D343H-40

    D343H-10P
    D343H-16P
    D343H-25P
    D343H-40P

    D343H-10R
    D343H-16R
    D343H-25R
    D343H-40R

    Working pressure ( MPa )

    1.0 ~ 4.0

    Applicable temperature (℃)

    425

    200

    Applicable medium

    Water, oil or non-corrosive media

    Nitric acid medium

    Acetic acid medium

    material

    Valve body, butterfly plate

    WCB

    CF8 / 304

    CF3M / 316L

    Valve stem

    2Cr13

    304

    316L

    Body sealing surface

    Surfacing   507

    -

    -

    Disc sealing surface

    +柔性石墨 304 + Flexible graphite

    PTFE 304 PTFE

    PTFE 304 PTFE

    filler

    Flexible graphite

    PTFE

    PTFE

    D343W-16P stainless steel hard seal butterfly valve main parts material:

    Part Name

    material

    Valve body

    Cast iron, stainless steel, chrome molybdenum steel, alloy steel

    Butterfly

    Cast steel, alloy steel, stainless steel, chrome molybdenum steel

    Sealing ring

    Multilayer stainless steel and high temperature asbestos board

    Valve stem

    1Cr13不锈钢、铬钼钢 2Cr13 , 1Cr13 stainless steel, chrome molybdenum steel

    filler

    Flexible graphite

    943H-610CPRV )系列连接尺寸: D3 ( 6 , 9 ) 43H-6 to 10 ( C , P , R , V ) series connection dimensions:

    Nominal diameter DN

    Dimensions

    Connection size

    L

    H

    D343H

    D643H

    D943H

    PN0.6MPa

    PN1.0MPa

    short

    long

    H1

    A1

    B1

    H2

    A2

    B2

    H3

    A3

    B3

    D

    D1

    Zd

    D

    D1

    Zd

    50

    108

    150

    112

    350

    180

    200

    625

    245

    72

    530

    250

    255

    140

    110

    4-14

    165

    125

    4-18

    65

    112

    170

    115

    370

    180

    200

    625

    245

    72

    530

    250

    255

    160

    130

    4-14

    185

    145

    4-18

    80

    114

    180

    120

    380

    180

    200

    645

    245

    72

    565

    250

    255

    190

    150

    4-18

    200

    160

    8-18

    100

    127

    190

    138

    420

    180

    200

    675

    355

    92

    600

    250

    255

    210

    170

    4-18

    220

    180

    8-18

    125

    140

    200

    164

    460

    180

    200

    715

    355

    92

    640

    250

    255

    240

    200

    8-18

    250

    210

    8-18

    150

    140

    210

    175

    555

    270

    280

    800

    355

    92

    705

    300

    315

    265

    225

    8-18

    285

    240

    8-22

    200

    152

    230

    200

    760

    400

    425

    850

    250

    170

    775

    300

    315

    320

    280

    8-18

    340

    295

    8-22

    250

    165

    250

    243

    830

    400

    425

    925

    250

    170

    945

    300

    315

    375

    335

    12-18

    395

    350

    12-22

    300

    178

    270

    250

    895

    450

    560

    1035

    450

    220

    1070

    300

    315

    440

    395

    12-22

    445

    400

    12-22

    350

    190

    290

    280

    950

    450

    560

    1070

    450

    220

    1140

    300

    315

    490

    445

    12-22

    505

    560

    16-22

    400

    216

    310

    305

    1190

    535

    580

    1190

    450

    220

    1210

    300

    315

    540

    495

    16-22

    565

    515

    16-26

    450

    222

    330

    350

    1255

    535

    580

    1250

    650

    280

    1335

    575

    714

    595

    550

    16-22

    615

    565

    20-26

    500

    229

    350

    380

    1305

    535

    580

    1290

    650

    280

    1415

    575

    714

    645

    600

    20-22

    670

    620

    20-26

    600

    267

    390

    445

    1340

    570

    660

    1455

    850

    380

    1605

    656

    810

    755

    705

    20-26

    780

    725

    20-30

    700

    292

    430

    480

    1520

    750

    550

    1585

    850

    380

    1844

    656

    810

    860

    810

    24-26

    895

    840

    24-30

    800

    318

    470

    530

    1710

    750

    550

    1700

    1250

    380

    2040

    656

    810

    975

    920

    24-30

    1015

    950

    24-33

    900

    330

    510

    580

    1810

    750

    550

    1965

    1250

    380

    2255

    785

    863

    1075

    1020

    24-30

    1115

    1050

    28-33

    1000

    410

    550

    650

    1960

    900

    750

    2015

    1250

    380

    2380

    785

    863

    1175

    1120

    28-30

    1230

    1160

    28-36

    1200

    470

    630

    760

    2250

    1000

    925

    2250

    1250

    380

    2640

    785

    863

    1405

    1340

    32-33

    1455

    1380

    32-39

    1400

    530

    710

    850

    2435

    1000

    925

    -

    -

    -

    2886

    -

    -

    1630

    1560

    36-36

    1675

    1590

    36-42

    1600

    600

    790

    1030

    2780

    1000

    925

    -

    -

    -

    3156

    -

    -

    1830

    1760

    40-36

    1915

    1820

    40-48

    1800

    670

    870

    1230

    3020

    1100

    980

    -

    -

    -

    3421

    -

    -

    2045

    1970

    44-39

    2115

    2020

    44-48

    2000

    760

    950

    1350

    3270

    1100

    980

    -

    -

    -

    3685

    -

    -

    2265

    2180

    -

    -

    -

    -

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