Flange Retractable Butterfly Valve

Flange Retractable Butterfly Valve
Model No.: Hits: 2359
Categories: Butterfly Valves
Tags:
  • Flange retractable butterfly valve can compensate thermal expansion and contraction on pipe lines automatically. It is easy for assemble and disassemble. Flange retractable butterfly valve is widely used for pipe line to regulate or cut off medium in petroleum, chemical, electricity, etc.

    Working temperature: ≤425℃

    Nominal pressure PN: ≤1.6MPa

     

    Characteristics:

    1. Unique structure, light weight

    2. Flange retractable butterfly vale can compensate thermal expansion and contraction on pipe lines automatically and convenient for usage.

    3. Sealing parts can be changed, having reliable sealing.

     

    Notes:

    1. The valve must be laid before installation. Holder is not allowed to remove during transporting.

    2. The structure length of flange retractable butterfly valve is minimum length in the factory. It should be pulled to installing length (design length).

    3. When length between pipes is larger than design length, adjust the length. It is not allowed to force the valve in case of damage.

    4. The valve can be installed in any position. When using for compensating temperature, two ends of pipe need to add holder to avoid extension tube pulling out.

     

    Parameter

    Model

    SD341X-6

    SD341X-6Q

    SD341X-10

    SD341X-10Q

    Working Pressure(MPa)

    0.6

    1.0

    Applicable Temperature(℃)

    ≤120

    Based on different rubber category

    ≤120

    Applicable Medium

    Water, oil, gas, etc

    Based on different rubber category

    Water, oil, gas, etc

    Materials

    Body

    Grey cast iron

    Grey cast iron

    Nodular cast iron

    Disc

    Nodular cast iron

    Nodular cast iron/stainless steel

    Nodular cast iron

    Stem

    2Cr13

    Stainless steel/carbon steel

    Chromium stainless steel

     

    Dimensions

    Nominal Diameter DN

    Dimensions(reference value)

    Flange Dimensions & Bolt Hole Dimensions(standard value)

    Model of electric Actuator

    H

    H1

    Maximum Length

    Minimum Length

    Design Length

    A

    B

    0.6MPa

    1.0MPa

    1.6MPa

    mm

    inch

    D

    D1

    D2

    n-d

    D

    D1

    D2

    n-d

    D

    D1

    D2

    n-d

    50

    2

    80

    440

    164

    138

    151

    250

    255

    140

    110

    88

    4-14

    165

    125

    99

    4-18

    165

    125

    99

    4-18

    QB10-1

    65

    2 1/2

    95

    445

    190

    154

    172

    250

    255

    160

    130

    108

    4-14

    185

    145

    118

    4-18

    185

    145

    118

    4-18

    QB10-1

    80

    3

    98

    476

    195

    163

    177

    250

    255

    190

    150

    124

    4-18

    200

    160

    132

    8-18

    200

    160

    132

    8-18

    QB10-1

    100

    4

    114

    504

    227

    184

    206

    250

    255

    210

    170

    144

    4-18

    220

    180

    156

    8-18

    220

    180

    156

    8-18

    QB10-1

    125

    5

    128

    550

    254

    201

    215

    250

    255

    240

    200

    174

    8-18

    250

    210

    184

    8-18

    250

    210

    184

    8-18

    QB20-1

    150

    6

    139

    652

    240

    195

    225

    300

    315

    265

    225

    199

    8-18

    285

    240

    211

    8-22

    285

    240

    211

    8-22

    QB20-1

    200

    8

    174

    732

    265

    215

    245

    300

    315

    320

    280

    254

    8-18

    340

    295

    266

    8-22

    340

    295

    266

    12-22

    QB60-1

    250

    10

    215

    823

    295

    235

    265

    300

    315

    375

    335

    309

    12-18

    395

    350

    319

    12-22

    405

    355

    319

    12-26

    QB60-1

    300

    12

    245

    877

    308

    254

    282

    300

    315

    440

    395

    363

    12-22

    445

    400

    370

    12-22

    460

    410

    370

    12-26

    QB120-1

    350

    14

    270

    932

    325

    271

    300

    300

    315

    490

    445

    413

    12-22

    505

    460

    429

    16-22

    520

    470

    429

    16-26

    QB120-1

    400

    16

    305

    1047

    345

    283

    314

    300

    315

    540

    495

    463

    16-22

    565

    515

    480

    16-26

    580

    525

    480

    16-30

    QB250-1

    450

    18

    325

    1092

    370

    314

    340

    575

    615

    595

    550

    518

    16-22

    615

    565

    530

    20-26

    640

    585

    548

    20-30

    QB250-

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