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      D41W ventilated butterfly valve

      D41W ventilated butterfly valve
      • sell:021-32051999
      • sell:021-32050777
      • fax:021-66099555

      Details

      • Product Introduction
      • Service Promise
      • Ordering Process

      D41W ventilating butterfly valve/D341W worm wheel ventilating butterfly valve/D641W pneumatic ventilating butterfly valve/D941W electric ventilating butterfly valve is processed into sealing ring with the same material as valve body. Its applicable temperature depends on valve body material selection. The nominal pressure is less than 0.6MPa. It is generally applicable to industrial, metallurgical, environmental protection and other pipelines for ventilation and medium flow regulation.


      Main characteristics of ventilated butterfly valve


      1, the design is novel, reasonable, unique in structure, light in weight, quick in opening and closing.


      2, the operation torque is small, easy to operate, labor-saving and dexterous.


      3, adopt suitable materials to meet low, medium and high temperature and corrosive medium.

      D641W pneumatic ventilation butterfly valveD941W electric ventilating butterfly valve

      Standard for ventilation butterfly valves


      Design standard: GB/T12238-1989 JB/T8692-1998


      Flange joint size: GB/T9115.1-2000


      Structure length: GB/T12221-1989


      Pressure test: GB/T13927-1992; JB/T9092-1999


      Main technical parameters of ventilated butterfly valve


      Nominal path
      DN(mm)
      50~2000
      Nominal pressure
      PN(MPa)
      0.05
      0.25
      0.6
      Test pressure
      strength test
      0.075
      0.375
      0.9
      Seal test
      ≤1%泄漏量
      Applicable medium
      Gas, dusty gas, flue gas and so on.
      Driving form
      Manual, worm and worm gear drive, gas drive and electric drive.


      Material of main parts of ventilation butterfly valve


      Part name
      Material Science
      valve body
      Special materials such as cast steel, stainless steel, chromium nickel molybdenum titanium steel, chrome molybdenum titanium steel and so on.
      Disc
      Special materials such as cast steel, stainless steel, chromium nickel molybdenum titanium steel, chrome molybdenum titanium steel and so on.
      Seal ring
      Same as valve body
      Stem
      Carbon steel, 2Cr13, stainless steel, chrome nickel molybdenum titanium steel
      filler
      Fluoroplastics and flexible graphite


      Selection and applicable temperature of sealing materials for ventilation butterfly valves


      Variety of materials
      carbon steel
      Low temperature carbon steel
      Alloy steel
      austenitic stainless steel
      Chromium molybdenum steel
      Code name
      WCB
      LCB
      WC6或 WC9
      C5或or C12
      鉻Cr-18型e、304、316
      12CrMoV
      Maximum temperature resistance
      425℃
      345℃
      595℃
      650℃
      600℃
      560℃
      Minimum temperature e
      -29℃
      -46℃
      -29℃
      -29℃
      -196℃
      -40℃
      Applicable working temperature
      ≤425℃
      ≤345℃
      ≤595℃
      ≤650℃
      ≤600℃
      ≤560℃


      Dimensions of ventilation butterfly valves


      Nominal path
      Structure length (standard value)
      Shape size (reference value)
      Connection size (standard value)
      reference value (kg)
      0.05MPa和0.25MPa
      0.6MPa
      毫米
      英寸
      L
      H
      H0
      A
      B
      D
      D1
      D2
      n-d
      D
      D1
      D2
      n-d
      50
      2
      108
      70
      286
      125
      193
      140
      110
      88
      4-18
      140
      110
      88
      4-14
      14
      65
      21/2
      112
      80
      306
      125
      193
      160
      130
      108
      4-18
      160
      130
      108
      4-14
      15
      80
      3
      114
      95
      334
      125
      193
      190
      150
      124
      4-18
      190
      150
      124
      4-18
      17
      100
      4
      127
      105
      354
      125
      193
      210
      170
      144
      4-18
      210
      170
      144
      4-18
      20
      125
      5
      140
      120
      384
      125
      193
      240
      200
      174
      8-18
      240
      200
      174
      8-18
      25
      150
      6
      140
      132
      409
      125
      193
      265
      225
      199
      8-18
      265
      225
      199
      8-18
      29
      200
      8
      152
      160
      593
      165
      183
      320
      280
      254
      8-18
      320
      280
      254
      8-18
      47
      250
      10
      165
      187
      650
      165
      283
      375
      335
      309
      12-18
      375
      335
      309
      12-18
      67
      300
      12
      178
      220
      715
      165
      283
      440
      395
      363
      12-22
      440
      395
      363
      12-22
      78
      350
      14
      190
      245
      814
      175
      334
      490
      445
      413
      12-22
      490
      445
      413
      12-22
      96
      400
      16
      216
      270
      863
      175
      334
      540
      495
      463
      16-22
      540
      495
      463
      16-22
      130
      450
      18
      222
      297
      918
      175
      334
      595
      550
      518
      16-22
      595
      550
      518
      16-22
      142
      500
      20
      229
      322
      1016
      210
      425
      645
      600
      568
      20-22
      645
      600
      568
      20-22
      191
      600
      24
      267
      377
      1128
      210
      425
      755
      705
      667
      20-26
      755
      705
      667
      20-26
      230
      700
      28
      292
      430
      1233
      210
      425
      860
      810
      772
      24-26
      860
      810
      772
      24-26
      250
      800
      32
      318
      487
      1344
      210
      425
      975
      920
      878
      24-30
      975
      920
      878
      24-30
      320
      900
      36
      330
      537
      1560
      320
      620
      1075
      1020
      978
      24-30
      1075
      1020
      978
      24-30
      410
      1000
      40
      410
      587
      1660
      320
      620
      1175
      1120
      1078
      28-30
      1175
      1120
      1078
      28-30
      510
      1200
      48
      470
      687
      1890
      320
      620
      1375
      1320
      1280
      32-30
      1405
      1340
      1295
      32-33
      720
      1400
      56
      530
      760
      2670
      575
      714
      1575
      1520
      1480
      36-30
      1630
      1560
      1510
      36-36
      1270
      1600
      64
      600
      895
      2810
      575
      714
      1790
      1730
      1690
      40-30
      1830
      1760
      1710
      40-36
      1730
      1800
      72
      670
      995
      3020
      575
      714
      1990
      1930
      1890
      44-30
      2045
      1970
      1918
      44-39
      2750
      2000
      80
      760
      1095
      3220
      656
      810
      2190
      2130
      2090
      48-30
      2265
      2180
      2125
      48-42
      3050


      The best quality, first-class service Qigao creates more value for you!

      "Qigao Valve" expects to continuously improve service quality and strive for excellence. "Sincere service" is the eternal theme of "Qigao". "Qigao" strictly followsIS09001-2000 Quality system certification requirements, strict quality control, responsibility to people, to ensure the healthy operation of production, sales and service. Strengthen communication with users and provide quality products to our customers with perfection and perfect service. Hereby our factory makes the following commitments:

      Product Standards:

      Products in strict accordance with ChinaGB、HG Standard and USAPISuch as standard design, manufacturing, acceptance. The hardness of the sealing surface meets the requirements of the state and the width exceeds the national standard.

      pre-sale service:

      Product introduction, technical exchange, non-standard product design, troubleshooting。

      Sale service:

      A trustworthy contract guarantees timely delivery and keeps in touch with customers. For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

      After sales service:

      1、"Qigao" brand product quality period is from the factory12In the month, the implementation of the "three guarantees" service (return, replacement, warranty).

      2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions, so as to further improve product quality.

      3、Respond quickly to the quality of user complaints, after-sales service personnel rushed to the scene in 24-36 hours (48 hours outside the province).

      4、For after-sales service, users are required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of Qigao.

      1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.:

      a、Structure length;

      b、Connection Type;

      c、Nominal diameter, full diameter, reduced diameter, pipe size;

      d、Operating medium and temperature, pressure range;

      e、Tests, inspection standards and other requirements

      2、The factory can configure various types of driving devices according to customer's specific requirements.。

      3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

      4、For futures and order customers, please call us in advance to tell the required valve model, specification, quantity, delivery time and location, and timely transfer to the factory account according to the total 30% deposit or full payment. The rest of the payment is pending. Import before shipment to arrange delivery in time.

       

      Order Process:

      1、Customer purchase list fax to021-33872143,Or call us 021-33872141

      2、Receive customer purchase list, provide valve model selection and quotation (price list)。

      3、Specific agreement: delivery date, special requirements, etc.。

      download Google:

      1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.:

      a、Structure length;

      b、Connection Type;

      c、Nominal diameter, full diameter, reduced diameter, pipe size;

      d、Operating medium and temperature, pressure range;

      e、Tests, inspection standards and other requirements

      2、The factory can configure various types of driving devices according to customer's specific requirements.。

      3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

      4、For futures and order customers, please call us first to tell the required valve model, specifications, quantity, delivery time and location, and press the total30%The deposit or full payment will be remitted to our factory account in time., The rest of the payment will be remitted before shipment to arrange delivery in time.。

      Sale service:

      Trustworthy contract, guarantee timely delivery, keep in touch with customers at any time。

      For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

      After sales service:

      1、"Qigao" product quality period is from the factory12Month, practiceThree packsService (return, replacement, warranty)。

      2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions.,
      In order to further improve product quality。

      3、Respond quickly to the quality of user complaints, after-sales service personnel24-36Hours (outside the province48Hour) rushed to the scene。

      4、For after-sales service, the user is required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of “Qigao”.。

      statement

      1. All text, data and pictures in this article are for reference only.D41W ventilated butterfly valvePlease contact us at 4000-700-665 for details of performance, size and price.
      2. If there is no explanation, this article is original, reprint, please indicate the address of this article, thank you for your cooperation!
      亚洲AV免费看|国产人妖乱国产精品人妖|中文字幕乱伦说说|日韩中文乱码人妻出轨|秋霞国产一级特黄欧美一级|色婷婷av一区二区三区之红樱桃|中文字幕一区二久久网站|久久精品欧美一区二区三区不卡

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