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Sanjiu Valve Co., Ltd
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ZDSF (H) straight stroke diversion and merging electric control valve
Caliber range: DN25-DN300 Pressure range: 1.6Mpa-6.4Mpa Applicable temperature: -40 ℃~+450 ℃ Product application: Widely used in industrial automatic
Product details
  • ZDSF (H) type straight stroke diversion and merging electric regulating valve

    1、 Product Details

    Product Model: ZDSF (H)

    Product Name: Straight stroke diversion and merging electric regulating valve

    The ZDSF (H) type straight stroke diversion and merging electric control valve consists of a three-way diversion and merging valve equipped with a German imported PS series straight stroke electric actuator. The electric actuator has a servo system inside, which does not require a separate servo amplifier. It can be controlled by an input control signal (4-20mADC or 1-5VDC) and a single-phase power supply to adjust parameters such as pressure, flow rate, temperature, and liquid level. It adopts a balanced valve plug structure, which has the characteristics of good valve plug stability, low vibration, low noise, large allowable pressure difference, and simple wiring. It is widely used in industrial automatic control systems in industries such as power, metallurgy, petroleum, chemical, and environmental protection with high flow coefficient and strict leakage requirements.

    2、 Main component materials and recommended temperature range for use

    Valve body material

    Nominal pressure MPa

    Working temperature of the medium

    <

    <

    <

    <

    <

    <

    <

    <

    <

    <

    <

    <

    <

    <

    120

    200

    250

    300

    350

    400

    425

    450

    475

    500

    525

    550

    575

    600

    Maximum working pressure MPa

    Cast iron HT200

    1.6

    1.6

    1.5

    Cast steel ZG25

    4.0

    6.4

    4.0

    6.4

    3.7

    5.9

    3.3

    5.2

    3.0

    4.7

    2.8

    4.1

    2.3

    3.7

    1.8

    2.9

    Stainless steel ZG1r18Ni9Ti

    4.0

    6.4

    4.0

    6.4

    3.0

    4.4

    2.7

    4.2

    2.4

    4.0

    2.1

    3.8

    3、 Specification and Parameter Table of ZDSF (H) Type Straight stroke Split (Combined) Electric Control Valve

    Nominal diameter DN

    25

    32

    40

    50

    65

    80

    100

    125

    150

    200

    250

    300

    Valve seat diameter dn (mm)

    25

    32

    40

    50

    65

    80

    100

    125

    150

    200

    250

    300

    Rated flow coefficient Kv

    confluence

    8.5

    13

    21

    34

    53

    85

    135

    210

    340

    535

    800

    1280

    diversion

    85

    135

    210

    340

    535

    800

    1280

    itinerary

    16

    25

    40

    60

    100

    Allowable pressure difference △ MPa

    ≤ nominal pressure MPa

    Basic error%

    ±2.5

    Return difference%

    2.5

    Dead zone%

    1.0

    Constant point deviation%

    ±2.5

    Rated travel deviation%

    2.5

    Allowable leakage quantity Q

    0.05% of Kv value

    adjustable range

    30:1

    Equipped with electric actuator model

    PSL

    PSL201

    PSL202

    PSL204

    PSL208

    PSL312

    PSL320

    3810L

    SA-08

    381LSA-20

    381LSB-30

    381LSB-50

    381LSC-65

    381LSC-160

    Nominal pressure medium temperature valve body material

    1.6MPa

    Room temperature -20 ℃~+200 ℃ Cast iron HT200

    4.0MPa

    Room temperature -20 ℃~+200 ℃ Cast steel ZG25 Cast stainless steel ZG1Cr18Ni9Ti

    Medium temperature -40 ℃~+450 ℃ cast steel ZG25 cast stainless steel ZG1Cr18Ni9Ti

    6.4MPa

    Room temperature -20 ℃~+200 ℃ Cast steel ZG25 Cast stainless steel ZG1Cr18Ni9Ti

    Medium temperature -40 ℃~+450 ℃ cast steel ZG25 cast stainless steel ZG1Cr18Ni9Ti

    4、 Dimensions Table of ZDSH (F) Type Straight stroke Electric Three way (Split) Flow Regulating Valve

    Nominal diameter DN

    confluence

    diversion

    R

    L

    H

    H1

    L

    H

    H1

    PN(MPa)

    PN(MPa)

    PN(MPa)

    PN(MPa)

    At room temperature

    medium temperature

    At room temperature

    Medium temperature

    25

    176

    185

    190

    200

    600

    650

    140

    150

    160

    185

    190

    200

    600

    650

    140

    150

    160

    32

    176

    200

    200

    210

    718

    848

    150

    160

    170

    200

    200

    210

    718

    848

    150

    160

    170

    40

    176

    220

    230

    235

    795

    925

    160

    170

    180

    220

    235

    235

    795

    925

    160

    170

    180

    50

    176

    250

    255

    265

    835

    960

    180

    190

    200

    250

    255

    265

    835

    960

    180

    190

    200

    65

    176

    275

    285

    295

    1067

    1214

    200

    210

    220

    275

    285

    295

    1067

    1214

    200

    210

    220

    80

    176

    300

    310

    320

    1080

    1243

    210

    230

    240

    300

    310

    320

    1102

    1265

    225

    250

    265

    100

    176

    350

    360

    370

    1094

    1257

    220

    250

    260

    350

    360

    370

    1131

    1294

    245

    275

    285

    125

    225

    410

    430

    440

    1292

    1492

    260

    300

    300

    410

    425

    440

    1329

    1529

    285

    320

    325

    150

    225

    450

    465

    475

    1321

    1520

    280

    320

    320

    450

    460

    475

    1358

    1557

    305

    340

    345

    200

    225

    550

    560

    570

    1400

    1597

    320

    380

    380

    550

    560

    570

    1445

    1642

    350

    400

    410

    250

    225

    635

    660

    670

    474

    474

    635

    660

    670

    300

    225

    720

    740

    770

    584

    584

    720

    740

    770

    5、 Model designation description

    Z

    D

    S

    F

    40

    P

    G

    self-control valve

    Type of executing agency:

    Displacement characteristics:

    Valve structure form

    Nominal Pressure

    Valve body material:

    Temperature type:

    D: Representing the PS series

    S: Express straight travel

    F: Indicating a diversion valve

    16: Indicating 1.6MP

    C: Representing carbon steel

    G: Indicating medium temperature type

    R: Representing the 3810 series

    H: Indicate the merging valve

    40: represents 4.0MP

    P: Representing stainless steel

    Omit at room temperature

    H: Representing the DKZ series

    Cast iron omission

    C: Representing the ZAZ series

    Three Long Order Notice

    1. Product and name 2. nominal diameter DN (mm) 3. nominal pressure
    4. Flow characteristics 5. Valve body material 6. Rated flow coefficient
    7. Type of medium and temperature range 8. Pressure difference before and after the valve 9. Power supply voltage and control signal

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