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    200X pressure reducing valve

    Update: 2016/5/30??????View:
    • name: ???200X pressure reducing valve
    • Type: ???200X
    • Presure: ???1.0~2.5MPa
    • Specifications: ???DN20~DN450
    • material: ???Grey cast iron, nodular cast iron, carbon steel
    • Order Online
    • Product description
      200X pressure reducing valve is a kind of water supply system which is used in the water supply system of fire fighting water and domestic water. When there is a fire, the fire is badly in need of a large quantity of water and immediately cut off the water of life, to ensure adequate fire water; when the fire to stop the water pressure decreases, automatically open the valve, a normally open state, restore the living water. The valve makes the system need not set up a special fire separate water supply network, greatly saving the cost of construction and water consumption. The valve has high sensitivity, safety and reliability, easy to debug, and long service life.


    • 主要連接及外形尺寸(PN10)

      公稱

      通徑

      主要外形尺寸及連接尺寸(mm)

      閥門尺寸mm

      法蘭連接尺寸mm

      L

      H1

      H

      D

      D1

      D2

      b

      f

      Z-Φd

      50

      203

      210

      395

      165

      125

      93

      18

      3

      4-Φ18

      65

      216

      215

      405

      185

      145

      113

      18

      3

      4-Φ18

      80

      241

      245

      430

      200

      160

      128

      20

      3

      8-Φ18

      100

      292

      305

      510

      220

      180

      148

      20

      3

      8-Φ18

      125

      330

      365

      560

      250

      210

      178

      22

      3

      8-Φ18

      150

      356

      415

      585

      285

      240

      204

      22

      3

      8-Φ22

      200

      495

      510

      675

      340

      295

      259

      24

      3

      8-Φ22

      250

      622

      560

      730

      395

      350

      314

      26

      3

      12-Φ22

      300

      698

      658

      760

      445

      400

      362

      26

      4

      12-Φ22

      350

      787

      696

      840

      505

      460

      422

      26

      4

      16-Φ22

      400

      914

      735

      910

      565

      515

      473

      26

      4

      16-Φ26

      450

      978

      735

      910

      615

      565

      523

      28

      4

      20-Φ26

       主要連接及外形尺寸(PN16)

      公稱

      通徑

      主要外形尺寸及連接尺寸(mm)

      閥門尺寸mm

      法蘭連接尺寸mm

      L

      H1

      H

      D

      D1

      D2

      b

      f

      Z-Φd

      50

      203

      210

      395

      165

      125

      93

      18

      3

      4-Φ18

      65

      216

      215

      405

      185

      145

      113

      18

      3

      4-Φ18

      80

      241

      245

      430

      200

      160

      128

      20

      3

      8-Φ18

      100

      292

      305

      510

      220

      180

      148

      20

      3

      8-Φ18

      125

      330

      365

      560

      250

      210

      178

      22

      3

      8-Φ18

      150

      356

      415

      585

      285

      240

      204

      22

      3

      8-Φ22

      200

      495

      510

      675

      340

      295

      259

      24

      3

      12-Φ22

      250

      622

      560

      730

      405

      355

      315

      26

      3

      12-Φ26

      300

      698

      658

      760

      460

      410

      370

      28

      3

      12-Φ26

      350

      787

      696

      840

      520

      470

      428

      30

      4

      16-Φ26

      400

      914

      735

      910

      580

      525

      479

      32

      4

      16-Φ30

      450

      978

      735

      910

      640

      585

      539

      40

      4

      20-Φ30

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