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    ZJHN pneumatic membrane double seat regulating valve

    ZJHN pneumatic membrane double seat regulating valve
    • sell:021-32051999
    • sell:021-32050777
    • fax:021-66099555

    Details

    • Product Introduction
    • Service Promise
    • Ordering Process

    The ZJHN pneumatic membrane double seat regulating valve adopts a double guide structure and is equipped with multiple spring recruit agencies. It has the advantages of compact structure, light weight, sensitive action, large valve capacity, accurate flow characteristics, easy disassembly and assembly. It is widely used in precise control of gas, liquid, steam and other media process parameters such as pressure, flow, temperature, liquid level to maintain at a given value. It is especially suitable for occasions with larger pressure difference and larger leakage and is not very clean. This series of products has standard type, bellows seal type, jacket insulation type and so on. The nominal pressure level of products is PN16, 40 and 64, and the caliber of valve body ranges from DN25 to 400. Suitable fluid temperature ranges from -250 to +560 degrees. The standard of leakage is grade III and IV. The flow characteristic is linear or percentage. Various varieties and specifications are available.


    Pneumatic double seat regulating valve main parts material


    零件名稱
    材料
    溫度范圍
    閥體上閥蓋
    HT200
    -20~200℃
    ZG230-450
    -40~450℃
    ZG1Cr18Ni9Ti
    -250~550℃
    ZG0Cr18Ni12Mo2Ti
    -250~550℃
    閥芯、閥座
    1Cr18Ni9
    -250~550℃
    0Cr18Ni12Mo2Ti
    -250~550℃
    填 料
    聚四氟乙烯
    -40~200℃
    膜 片
    丁晴橡膠夾增強(qiáng)滌淪織物
    壓縮彈簧
    60Si2Mn
    膜 蓋
    A3


    Main technical parameters of pneumatic double seat regulating valve


    公稱通徑mm
    25
    32
    40
    50
    65
    80
    100
    125
    150
    200
    250
    300
    400
    額定流量系數(shù)kv
    10
    16
    25
    40
    63
    100
    250
    250
    400
    630
    100
    1600
    2700
    公稱壓力MPa
    1.6 4.0 6.4
    行 程mm
    16
    25
    40
    63
    100
    介質(zhì)溫度℃
    -40~230℃(常溫型),散熱片式230~450℃(中溫型),特殊訂貨-100~600℃
    流量特性
    直線、等百分比
    法蘭標(biāo)準(zhǔn)
    符合JB78-59、JB79-59標(biāo)準(zhǔn),可按JB/79.1-94、JB/79.2-94、ANSI、JIS、DIN 等標(biāo)準(zhǔn)訂貨生產(chǎn)
    閥體
    材質(zhì)
    PN
    (MPa)
    1.6
    WCB(ZG230-450) CF3CF8 CF8M
    4.0,6.0
    WCB(ZG230-450)、ZG1Cr18Ni9Ti、ZG0Cr18Ni12Mo2Ti CF8 CF8M
    閥芯材質(zhì)
    1Cr18Ni9、0Cr18Ni12Mo2Ti CF8 CF8M
    上閥蓋型式
    普通式(常溫型),熱片式(中溫型)
    可調(diào)比
    30:1
    氣源接頭
    M16×1.5


    Note: ANSI, JPI, JIS flange products can be provided for users, and the flange distance is determined according to user needs.


    Pneumatic double seat regulating valve actuator


    型 號(hào)
    ZHA(B)-1
    ZHA(B)-2
    ZHA(B)-3
    ZHA(B)-4
    ZHA(B)-5
    ZHA(B)-6
    you效面積cm2
    200
    280
    400
    630
    1000
    1600
    行 程mm
    10
    16
    25
    40
    60
    1000
    彈簧范圍KPa
    20~100(標(biāo)準(zhǔn));20~100、40~200、20~60、60~100、80~240


    Performance index of pneumatic double seat regulating valve


    項(xiàng)目
    指標(biāo)值
    基本誤差%
    不帶定位器
    ±5.0
    帶定位器
    ±1.0
    回差%
    不帶定位器
    3.0
    帶定位器
    1.0
    死區(qū)%
    不帶定位器
    3.0
    帶定位器
    0.4
    允許泄漏量L/h
    1×10-3×閥額定容量


    Accessory Locator: Electric Valve Locator Handwheel Solenoid Valve Limit Switch Electric/pneumatic Converter Air Filter Decompressor


    Allowable pressure difference for pneumatic double seat regulating valve


    供氣壓力
    MPa
    彈簧壓力
    KPa
    公稱通徑
    25
    32
    40
    50
    65
    80
    100
    125
    150
    200
    250
    300
    0.14
    20-100
    5.4
    4.4
    4.9
    3.8
    4.7
    3.6
    2.8
    3.75
    2.7
    2.15
    2.0
    1.7
    0.24
    40-200
    10.8
    8.8
    9.8
    7.6
    9.4
    7.2
    5.6
    7.5
    5.4
    4.3
    4.0
    3.4


    Note: the condition of the valve stem is in the P2=0 state when the outlet of the medium is closed.
    Pneumatic double seat regulating valve should be in shape and dimension.
    公通徑(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
    670
    770
    PN4.0MPa
    190
    210
    230
    255
    285
    310
    335
    425
    460
    560
    740
    805
    PN6.4MPa
    200
    210
    235
    265
    295
    320
    370
    440
    475
    570
    750
    820
    H
    (mm)
    普通型
    567
    570
    645
    650
    877
    887
    899
    1058
    1068
    1110
    1498
    1574
    散熱片型
    697
    700
    775
    780
    1040
    1050
    1062
    1257
    1267
    1309
    1743
    1819
    H1(mm)
    117
    120
    139
    144
    188
    208
    220
    268
    278
    320
    441
    503
    D(mm)
    225
    360
    470
    620
    重量(KG)
    33
    35
    47
    51
    98
    111
    148
    236
    292
    433
    760
    920

    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.ZJHN pneumatic membrane double seat regulating 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!
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