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    Duplex spring safety valve

    Duplex spring safety valve
    • sell:021-32051999
    • sell:021-32050777
    • fax:021-66099555

    Details

    • Product Introduction
    • Service Promise
    • Ordering Process

    The double spring type safety valve is suitable for the equipment and pipeline of steam, water and other media with working temperature < 350 C. As an overpressure protection device.


    The materials of A38Y, A43H and A37H double spring relief valves are the same as those of A47H and A48Y spring relief valves except three-way (WCB).


    Type A38Y, A43H, and A37H double safety valves are constructed by installing two A48Y or A47H safety valves of the same specification on the Y-joint. The nominal diameter series refers to the inlet diameter of the Y-joint. The combination of these two safety valves is as follows:

    A38Y雙聯(lián)型
    相應(yīng)的A48Y型
    50
    32×2
    80
    50×2
    100
    65×2
    150
    100×2
    A43Y雙聯(lián)型
    相應(yīng)的A47Y型
    50
    32×2
    80
    50×2
    100
    80×2
    125
    100×2
    150
    125×2
    A37Y雙聯(lián)型
    相應(yīng)的A47Y型
    50
    32×2
    80
    65×2
    100
    80×2
    125
    100×2
    150
    125×2

    Main dimensions


    型號(hào)
    公稱(chēng)通徑
    do
    D
    K
    g
    g1
    b
    f
    f1
    Z-?d
    DN'
    D1
    K1
    g2
    b1
    f'
    Z1-?d1
    L
    L1
    L0
    h
    H
    A37H-16C A43H-16C
    50
    25
    165
    125
    100
    20
    3
    4-18
    32
    140
    100
    78
    18
    2
    4-18
    115
    110
    165
    235
    547


    80
    40
    200
    160
    135
    20
    3
    8-18
    50
    165
    125
    100
    16
    3
    4-18
    135
    120
    190
    285
    795


    80
    50
    200
    160
    135
    20
    3
    8-18
    65
    185
    145
    120
    18
    3
    4-18
    140
    130
    205
    310
    835


    100
    65
    220
    180
    155
    22
    3
    8-18
    80
    200
    160
    135
    20
    3
    8-18
    160
    135
    255
    355
    890


    125
    80
    250
    210
    185
    22
    3
    8-18
    100
    220
    180
    155
    22
    3
    8-18
    170
    160
    260
    410
    1170


    150
    100
    285
    240
    210
    24
    3
    8-23
    125
    250
    210
    185
    22
    3
    8-18
    190
    190
    275
    430
    1240


    A37H-25 A43H-25
    50
    25
    165
    125
    100
    20
    3
    4-18
    32
    140
    100
    78
    18
    2
    4-18
    115
    110
    165
    235
    547


    80
    40
    200
    160
    135
    22
    3
    8-18
    50
    165
    125
    100
    16
    3
    4-18
    135
    120
    190
    285
    795


    80
    50
    200
    160
    135
    22
    3
    8-18
    65
    185
    145
    120
    18
    3
    4-18
    140
    130
    205
    310
    835


    100
    65
    230
    190
    160
    24
    3
    8-23
    80
    200
    160
    135
    20
    3
    8-18
    160
    135
    255
    355
    890


    125
    80
    270
    220
    188
    28
    3
    8-26
    100
    220
    180
    155
    22
    3
    8-18
    170
    160
    260
    410
    1170


    150
    100
    300
    250
    218
    30
    3
    8-26
    125
    250
    210
    185
    22
    3
    8-18
    190
    190
    275
    430
    1240


    A37H-40 A43H-40
    50
    25
    165
    125
    100
    88
    20
    3
    4
    4-18
    32
    140
    100
    78
    16
    2
    4-18
    115
    110
    165
    235
    547
    80
    40
    200
    160
    135
    121
    22
    3
    4
    8-18
    50
    165
    125
    100
    16
    3
    4-18
    135
    120
    190
    285
    795
    80
    50
    200
    160
    135
    121
    22
    3
    4
    8-18
    65
    185
    145
    120
    18
    3
    4-18
    140
    130
    205
    310
    835
    100
    65
    235
    190
    160
    150
    24
    3
    4.5
    8-23
    80
    200
    160
    135
    20
    3
    8-18
    160
    135
    255
    355
    890
    125
    80
    270
    220
    188
    176
    28
    3
    4.5
    8-26
    100
    220
    180
    155
    22
    3
    8-18
    170
    160
    260
    410
    1170
    150
    100
    300
    250
    218
    204
    30
    3
    4.5
    8-26
    125
    250
    210
    185
    22
    3
    8-18
    190
    190
    275
    430
    1240
    A38Y-16C
    50
    20
    165
    125
    100
    20
    3
    4-18
    40
    150
    110
    85
    16
    3
    4-18
    198
    100
    165
    225
    636


    80
    32
    200
    160
    135
    20
    3
    8-18
    65
    185
    145
    120
    20
    3
    4-18
    230
    120
    190
    265
    817


    100
    40
    220
    180
    155
    22
    3
    8-18
    80
    200
    160
    135
    20
    3
    8-18
    293
    140
    265
    265
    921


    150
    80
    285
    240
    210
    24
    3
    8-23
    125
    250
    210
    185
    22
    3
    8-18
    320
    175
    250
    420
    1097


    A38Y-25
    50
    20
    165
    125
    100
    20
    3
    4-18
    40
    150
    110
    85
    16
    3
    4-18
    198
    100
    165
    225
    636


    80
    32
    200
    160
    135
    22
    3
    8-18
    65
    185
    145
    120
    20
    3
    4-18
    230
    120
    190
    265
    817


    100
    40
    230
    190
    160
    24
    3
    8-23
    80
    200
    160
    135
    20
    3
    8-18
    293
    140
    265
    265
    921


    150
    80
    300
    250
    218
    30
    3
    8-26
    125
    250
    210
    185
    22
    3
    8-18
    320
    175
    250
    420
    1097


    A38Y-40
    50
    20
    165
    125
    100
    88
    20
    3
    4
    4-18
    40
    150
    110
    85
    16
    3
    4-18
    198
    100
    165
    225
    636
    80
    32
    200
    160
    135
    121
    22
    3
    4
    8-18
    65
    185
    145
    120
    20
    3
    4-18
    230
    120
    190
    265
    817
    100
    40
    235
    190
    160
    150
    24
    3
    4.5
    8-23
    80
    200
    160
    135
    20
    3
    8-18
    293
    140
    265
    265
    921
    150
    80
    300
    250
    218
    204
    30
    3
    4.5
    8-26
    125
    250
    210
    185
    22
    3
    8-18
    320
    175
    250
    420
    1097


    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.Duplex spring safety 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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