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      Your current location: ProductsRegulating ValveSelf-operated Pressure (differential Pressure) Regulating Valve

      V231 Self-operated Pressure (differential Pressure) Regulating Valve

      Product overview

      Product model: V231
      Nominal diameter: DN15~250mm
      Nominal pressure: PN1.6~ 4.0MPa
      Applicable temperature: liquid ≤ 140℃, gas ≤ 80℃
      Main material: cast iron, cast steel, cast stainless steel
      Design standard: GB/T17213
      Inspection standard: GB/T4213
      Flange standard: JIS B220, JB/T79, ANSI B16.5-1981, GB/T9113, HG20594-97, HG20618-97, etc

      V231 Self-operated Pressure (differential Pressure) Regulating Valve product details

      V231 Self-operated Pressure (differential Pressure) Regulating Valveproduct description:

      V231 Self-operated Pressure (differential Pressure) Regulating Valve produced and sold by Baigang valve group, the valve body, seat, valve components and other components, is a kind of without external energy and only rely on the pressure of the media to be adjusted automatically adjust the pressure of energy savings Type products, can be used for non-corrosive (maximum temperature of 350 ℃) liquid, gas and steam and other media pressure control device. Widely used in petroleum, chemical, metallurgy, light industry and other industrial sectors and urban heating, heating systems.


      ◆ Model, specifications

      category

      Pressure control valve

      Differential pressure control valve

      Valve pressure regulator

      Valve pressure regulator

      Differential pressure rise valve closed

      Pressure differential valve opens

      Hard seal

      Soft seal

      Hard seal

      Soft seal

      Hard seal

      Soft seal

      Hard seal

      Soft seal

      model

      V230 D01

      V230D01

      V230D02

      V231D02

      V230D03

      V231D03

      V230D04

      V231D04

      specification

      DN15-250


      V231 Self-operated Pressure (differential Pressure) Regulating Valve technical Parameters:

      Nominal diameter mm

      15

      20

      25

      32

      40

      50

      65

      80

      100

      125

      150

      200

      250

      Rated flow coefficient Kvs

      3.2

      5

      8

      12.5

      20

      32

      50

      80

      125

      160

      320

      450

      630

      Nominal pressure MPa

      1.6, 4.0

      Z value

      0.6

      0.6

      0.6

      0.55

      0.55

      0.5

      0.5

      0.45

      0.4

      0.35

      0.3

      0.2

      0.2

      The highest working temperature ℃

      V230 V231

      Liquid ≤ 140, gas ≤ 80

      Hard seal V230

      With isolation tank ≤ 200

      With isolation tank and extension pieces ≤ 300 *

      With isolation tank and heat sink ≤ 200

      Pressure balance element

      Corrugated pipe

      Rolling the diaphragm

      Flange standard

      DIA (also available on request flange standard)

      Body material

      PN16: cast iron (working temperature ≤ 200 ℃);

      PN4.0: cast steel, cast stainless steel (working temperature ≤ 350 ℃)

      Spool material

      Stainless steel; soft seal stainless steel inlaid rubber ring

      The maximum working pressure MPa

      Nominal pressure (Note △ Pmax and the relationship between working pressure and working temperature)

      Note: 
       1, the liquid> 140 ℃, gas> 80 ℃ when the valve flip; 
       2, Z value: noise measurement coefficient, the value used to measure the size of the noise, the specific calculation see the self-regulating valve selection guide.

      ◆ Dimension 

       
       ◆ V230 / V231 control valve size and weight

      Nominal diameter mm

      20

      25

      32

      40

      50

      65

      80

      100

      125

      150

      200

      250

      L mm

      150

      160

      180

      200

      230

      290

      310

      350

      400

      480

      600

      730

      B mm

      212

      238

      238

      240

      240

      275

      275

      380

      380

      295

      325

      372

      Approximate weight kg

      6.7

      9.7

      13

      14

      17

      29

      33

      60

      70

      80

      140

      220

      ◆ D02 (D04) actuator size and weight

      Effective area cm 2

      32

      80

      250

      630

      D mm

      172

      172

      263

      380

      H mm

      435

      430

      470

      520

      Approximate weight kg

      7.5

      7.5

      13

      28

       ◆ D01 (D03) actuator size and weight

      Effective area cm 2

      32

      80

      250

      630

      D mm

      172

      172

      263

      380

      H mm

      440

      435

      440

      520

      Approximate weight kg

      7.5

      7.5

      13

      28

      Note: Direct acting self-operated valve of the total height and weight for the control valve and actuator height and weight.



      Reminder:

      All text, data and pictures in this article are for reference only.To see more details of the V231 Self-operated Pressure (differential Pressure) Regulating Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

      +86-021-57278881
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