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      Location:PRODUCTS >> Control valve >> Electronic three-way electric control valve
      Electronic three-way electric control valve
      Model: ZDLQ
      Nominal diameter: DN25 ~ 300mm
      Nominal pressure: PN0.6 ~ 6.4MPa
      Main material: WCB (ZG230-450), ZG1Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti CF8 CF8M
      Suitable medium: liquid, gas, steam and other media
      Drive: electric
      Design criteria: GB / T17213
      Inspection standards: GB / T4213
      Flange standard: JIS B220, JB / T79, ANSI B16.5-1981, GB / T9113, HG20594-97, HG20618-97, etc.

      First, an electronic three-way control valve overview

      Electronic three-way electric control valve with high precision, stable and reliable operation and so on. The confluence type is mainly used to mix two fluids into a third fluid; the split type is mainly used to divide one fluid into two fluids. This product can replace the two single-and double-seat switch valves, which are used for the regulation and control of liquids, gases, steam and other media. 
       
      Second, the electronic three-way valve main technical parameters and performance indicators

      By the PS series and 3610 series of straight-stroke electric actuator and low flow resistance through the single seat valve. (Also can be equipped with other brands of straight-line Cheng executive body). Electric actuator for the electronic integration structure, with a servo amplifier, the input control signal (4-20mADC or 1-5VDC) and the power to control the valve opening, to pressure, flow, level, temperature and other parameters adjust. With sensitive action, simple connection, large flow, small size, high regulation accuracy. Control accuracy and performance than the DKZ type has significantly improved. 
       
      Third, the three-way electronic control valve regulating agencies the main technical parameters

      Nominal diameter mm

      confluence

      25

      32

      40

      50

      65

      80

      100

      125

      150

      200

      250

      300

      Shunt

      25

      32

      40

      50

      65

      80

      100

      125

      150

      200

      250

      300

      Seat diameter mm

      26

      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

      1260

      Shunt

      8.5

      13

      21

      34

      53

      85

      135

      210

      340

      535

      800

      1260

      Nominal pressure (MPa)

      0.6, 1.6, 2.5, 4.0, 6.4

      Travel (mm)

      16

      25

      40

      60

      100

      Flow characteristics

      straight line

      Operating temperature ℃

      -40 ~ 230 ℃ (room temperature type), heat sink 230 ~ 450 ℃ (medium temperature), special order -100 ~ 600 ℃

      Flange size

      In line with JB78-59, JB79-59 standards, according to JB / 79.1-94, JB, ANSI, JIS, DIN and other standard production orders

      Body material 

      WCB (ZG230-450), ZG1Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti CF8 CF8M

      Spool material

      1Cr18Ni9, SS304, Cr18Ni12Mo2Ti, SS316, ZG1Cr18Ni9Ti

      Body type

      Three-way two-seat cast ball valve

      On the bonnet type

      Ordinary (room temperature), heat sink (medium temperature), long neck (low temperature)

      Equipped with electric actuator 
      model

      PSL

      PSL-202

      PSL-204

      PSL-208

      PSL-312

      PSL325

      361L

      361LSA-20

      361LSB-30

      361LSB-50

      361LSC-65

      361LSC-99

      Explosion-proof

      361LXA-20

      361LXB-30

      361LXB-50

      Note: 
       1, Users can provide ANSI, JPI, JPI and other countries Flange standard products, the flange according to the user needs to determine. 
       2, the working temperature, nominal pressure, nominal diameter beyond the scope of the list of products can contact with the company.


       Fourth, the electronic three-way valve actuator main technical parameters

      model

      Rated output force N

      Speed mm / s

      Technical Parameters

      PSL

      361L

      PSL

      361L

      PSL

      361L

      PSL

      361L

      201

      361LSA-08 
      361LXA-08

      1000

      800 
      800

      0.25

      4.2 
      4.2

      Power: AC220V 50Hz 
      Input signal: DC4-20mA 
      DC1-5V 
      (signal line shielded cable)  
      Output signal: DC4 ~ 20mA 
      Protection class: IP67 
      With hand wheel 

      Power: AC220V 50Hz 
      Input signal: DC4-20mA 
      DC1-5V 
      (signal line shielded cable)  
      Output signal: DC4 ~ 20mA 
      Protection class: quite IP55 
      Flameproof mark: ExdⅡBT4 
      with handle

      202

      361LSA-20 
      361LXA-20

      2000

      2000 
      2000

      0.50

      2.1 
      2.1

      204

      361LSB-30 
      361LXB-30

      4500

      3000 
      3000

      0.50

      3.5 
      3.5

      208

      361LSB-50 
      361LXB-50

      8000

      5000 
      5000

      1.00

      1.7 
      1.7

      312

      361LSC-65

      12000

      6500

      0.60

      2.8

      325

      361LSC-99

      25000

      10000

      1.0

      2.0


       Fifth, electronic three-way valve performance indicators

      project

      Index value

      Basic error%

      ± 2.5

      Backlash%

      2.5

      dead zone%

      1.0

      Always point deviation%

      Electricity

      Start point

      ± 2.5

      end

      ± 2.5

      Power off

      Start point

      ± 2.5

      end

      ± 2.5

      Adjustable range

      30: 1

      Rated travel deviation%

      2.5

      Allowable discharge L / H

      Meet the JB / T7387-94 Class IV less than the rated capacity of 10-4


       Six, electronic electric three-way valve to allow pressure

      Nominal diameter mm

      25

      32

      40

      50

      65

      80

      100

      125

      150

      200

      250

      300

      Allowable pressure difference MPa

      3.32

      2.20

      2.20

      1.41

      1.38

      0.94

      0.61

      0.51

      0.36

      0.20

      0.19

      0.13

      Note: The actual configuration needs to be based on specific process parameters. If the allowable differential pressure is clear or the maximum allowable working pressure is outside the range of the list, please contact us and take the appropriate method to solve it.


       
         Seven, electronic electric three-way control valve dimensions  

      Public Path (mm)

      25

      32

      40

      50

      65

      80

      100

      125

      150

      200

      250

      300

      L (mm)

      PN1.6MPa

      185

      200

      220

      250

      275

      300

      350

      410

      450

      550

      640

      740

      PN4.0MPa

      190

      210

      230

      255

      285

      310

      355

      425

      460

      560

      660

      760

      PN6.4MPa

      200

      210

      235

      265

      295

      320

      370

      440

      475

      570

      670

      770

      H1 (mm)

      PN1.6MPa

      140

      150

      160

      180

      200

      220

      220

      256

      278

      322

      465

      580

      PN4.0MPa

      150

      160

      170

      190

      220

      232

      256

      295

      313

      372

      474

      585

      PN6.4MPa

      160

      170

      180

      200

      220

      242

      266

      300

      318

      382

      474

      585

      With PSL

      H (mm)

      normal type

      775

      781

      775

      790

      819

      820

      810

      917

      927

      947

      1252

      1545

      Heat sink type

      905

      911

      905

      920

      766

      983

      973

      1116

      1126

      1144

      1805

      1825

      D (mm)

      176

      Weight (KG)

      61.5

      64.5

      69.5

      76.5

      109

      132

      164

      207

      267

      395

      430

      480

      With 361L

      H (mm)

      normal type

      538

      544

      660

      675

      744

      745

      735

      972

      982

      1027

      1204

      1265

      Heat sink type

      668

      674

      790

      805

      691

      908

      898

      1171

      1181

      1224

      1440

      1502

      D (mm)

      225

      310

      Weight (KG)

      69

      72

      85

      92

      124

      147

      179

      260

      320

      448

      627

      780

      Note: The nominal diameter of less than 80 shunt valve using the same diameter instead of the confluence valve.


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