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      ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve)

      Product overview

      Product model: ZZDQ
      Nominal diameter: DN20~150mm
      Nominal pressure: PN1.0~ 1.6MPa
      Main material: HT200, ZG230 ~ 450 ZG1Cr18Ni9Ti
      Spool, seat: 1Cr18Ni9Ti stellay alloy surfacing
      Flange standard: GB9113-88
      Flange sealing surface type: convex

      ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) product details

      ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) product description:

      ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) produced and sold by Baigang valve group, Pressure regulator without additional energy, the use of the media itself is the media as the power source. Automatically control the valve medium flow, so that the pressure after the valve to maintain a constant pressure stabilizer. Has been widely used in continuous gas acquisition and transportation of natural gas, urban gas and metallurgical, petroleum, chemical and other industrial production sector. 
      Valve Features: Control of high precision, general than ZZY type direct operation of the regulator about double high. Adjust the pressure ratio (such as the valve before 0.8MPa, valve 0.001MPa) is particularly suitable for micro-pressure gas control. 
      Pressure set in the pilot to achieve, so convenient, fast, labor-saving time-saving can be run continuously set.


      ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) part Information:

      Valve body, bonnet: HT200, ZG230 ~ 450 ZG1Cr18Ni9Ti 
      Spool, seat: 1Cr18Ni9Ti Stellite alloy surfacing 
      Filler: Teflon 
      rod, bushing: 2Cr13 

      1, the main valve 
      2, the main valve spool 
      3, Main valve actuator 
      4, throttle valve 
      5, pressure reducing valve 
      6, the pilot spool  
      7, the detection mechanism 
      8, the default spring 
      9, the pilot


      ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) technical Parameters:

      Nominal diameter DN (mm)

      20

      25

      40

      50

      80

      100

      150

      Seat diameter (mm)

      6

      15

      20

      25

      32

      40

      50

      65

      80

      100

      125

      150

      Rated flow coefficient KV

      3.2

      5

      8

      10

      20

      32

      50

      80

      100

      160

      250

      400

      Pressure adjustment range Kpa

      0.5 to 7 5 to 20 15 to 50 30 to 150

      Nominal pressure PN (MPa)

      1.0 1.6

      The media temperature is adjusted (℃)

      -20 ~ 90

      Flow characteristics

      Go ahead

      Adjustment accuracy (%)

      ≤ 3

      Actuator film effective area (cm 2)

      200

      280

      400

      Allow leakage

      In line with ANSIB16.104-1976 level IV


      ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) specifications Weight:

      ◆ Overall dimensions

      Nominal diameter (DN)

      20

      25

      32

      40

      50

      65

      80

      100

      125

      150

      Flange end distance (L)

      150

      160

      180

      200

      230

      290

      310

      350

      400

      480

      H

      610

      610

      630

      630

      640

      710

      720

      730

      800

      930

      H1

      330

      330

      350

      350

      360

      430

      440

      450

      520

      650

      φ

      310

      400

      D

      105

      115

      140

      150

      165

      185

      200

      220

      250

      285

      D 1

      75

      85

      100

      110

      125

      145

      160

      180

      210

      240

      D 2

      56

      65

      76

      84

      99

      118

      132

      156

      184

      211

      nd

      4-14

      4-18

      8-18

      8-22


      ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) connection standard:

      ◆ Connection Size and Standard
      Flange Standard: GB9113-88; 
      Flange Seal Face Type: Convex; 
      Signal Interface: Female Thread M16X1.5; 
      Distance between Body Flange and Flange End Face can be manufactured according to user-specified standard. 
      Such as ANSI, JIS, JPI and other standards. 

      ◆ Ordering Information When
      ordering, please provide the following information: 
      · Regulator name and model 
      · Nominal diameter (mm) 
      · Nominal pressure (MPa) 
      · Media name 
      · Working pressure and range 
      · Body material 
      · Other special requirements



      Reminder:

      All text, data and pictures in this article are for reference only.To see more details of the ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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