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            DZ41H/Y/F cryogenic valve

            DZ41H/Y/F cryogenic valve
            • sell:021-32051999
            • sell:021-32050777
            • fax:021-66099555

            Details

            • Product Introduction
            • Service Promise
            • Ordering Process

            Low temperature gate valve is suitable for methane, liquid natural gas, hexene, carbon dioxide, liquid ammonia, liquid oxygen, liquid nitrogen, liquid hydrogen and other low temperature medium.

            Characteristic

            1. In order to prevent abnormal pressure in the middle cavity, pressure relief holes are installed on the inlet side of the gate.

            2. Determine the top length of the valve cover according to the working temperature of the valve to ensure the reliable seal of the stem packing.

            3. According to working temperature, materials such as stuffing, gaskets and so on are selected reasonably.

            4. Strictly control the mechanical properties of materials such as chemical composition and low temperature impact toughness.

            5. Adopt a variety of pipe flange standards and sealing face type, suitable for all kinds of engineering needs.

            Standard of execution

            設(shè)計(jì)與制造
            結(jié)構(gòu)長(zhǎng)度
            法蘭尺寸
            壓力-溫度
            試驗(yàn)-檢驗(yàn)
            JB/T7749
            GB12221
            JB79
            Gb9131
            JB/T9092
            Pressure test
            公稱壓力PN
            1.6
            2.5
            4.0
            6.4
            10.0
            強(qiáng)度試驗(yàn)
            2.4
            3.8
            6.0
            9.6
            15.0
            水密封試驗(yàn)
            1.8
            2.8
            4.4
            7.0
            11.0
            上密封試驗(yàn)
            1.8
            2.8
            4.4
            7.0
            11.0
            氣密封試驗(yàn)
            0.4-0.7
            Material and properties of main parts
            體蓋板
            閥桿
            密封面
            墊片
            填料
            工作溫度
            適用介質(zhì)
            ZGoCrMNVAI低溫高壓鑄鋼
            1Cr7Ni12
            STL/STL
            1Cr13/柔性石墨
            低溫石棉
            PTFE浸聚四氟乙
            烯石棉繩
            柔性石墨
            -46
            丙烷/炳烯
            甲醇/乙烷
            煤氣/液氨
            LCB
            ZGoCrMNVAI低溫高壓鑄鋼
            -60
            LC1
            ZGoCrMNVAI低溫高壓鑄鋼
            -73
            LC2
            ZGoCrMNVAI低溫高壓鑄鋼
            1Cr18Ni9Ti
            -101
            LC3
            ZGoCrMNVAI低溫高壓鑄鋼
            -115
            LC4
            ZGoCrMNVAI低溫高壓鑄鋼
            -196
            GB low temperature flange gate valve specifications PN1.6MPa-2.5 MPa
            1.6MPa
            DN
            L
            D
            D1
            D2
            b
            n-Φd
            H
            D0
            凸面法法
            RF
            DZ40Y-16LCB
            DZ40Y-16LC1
            DZ40Y-16LC2
            DZ40Y-16LC3
            DZ40Y-16LC4
            DZ40Y-16P
            DZ40Y-16R
            20
            150
            105
            75
            55
            14
            4-Φ14
            320
            140
            25
            160
            115
            85
            65
            14
            4-Φ14
            350
            160
            32
            180
            135
            100
            78
            16
            4-Φ18
            385
            180
            40
            200
            145
            110
            85
            16
            4-Φ18
            420
            220
            50
            250
            160
            125
            100
            16
            4-Φ18
            540
            240
            65
            265
            180
            145
            120
            18
            4-Φ18
            610
            240
            80
            280
            195
            160
            135
            20
            8-Φ18
            690
            280
            100
            300
            215
            180
            155
            20
            8-Φ18
            780
            300
            125
            325
            245
            210
            185
            22
            8-Φ18
            930
            320
            150
            350
            280
            240
            210
            24
            8-Φ23
            980
            350
            200
            400
            335
            295
            265
            26
            12-Φ26
            1180
            400
            250
            450
            105
            355
            320
            30
            12-Φ30
            1390
            450
            300
            500
            460
            410
            375
            30
            12-Φ30
            1620
            500
            350
            550
            520
            470
            435
            34
            16-Φ34
            1810
            500
            400
            600
            580
            525
            485
            36
            16-Φ36
            1970
            550
            2.5MPa
            20
            150
            105
            75
            55
            16
            4-Φ16
            320
            140
            凸面法法
            RF
            DZ40Y-25LCB
            DZ40Y-25LC1
            DZ40Y-25LC2
            DZ40Y-25LC3
            DZ40Y-25LC4
            DZ40Y-25P
            DZ40Y-25R
            25
            160
            115
            85
            65
            16
            4-Φ16
            350
            160
            32
            180
            135
            100
            78
            18
            4-Φ18
            385
            180
            40
            200
            145
            110
            85
            18
            4-Φ18
            420
            200
            50
            250
            160
            125
            100
            20
            4-Φ20
            540
            240
            65
            265
            180
            145
            125
            22
            8-Φ22
            510
            240
            80
            280
            195
            160
            135
            22
            8-Φ22
            690
            280
            100
            300
            230
            190
            160
            24
            8-Φ24
            780
            300
            125
            325
            270
            220
            188
            28
            8-Φ28
            930
            300
            150
            350
            300
            250
            218
            30
            8-Φ30
            980
            320
            200
            400
            360
            310
            278
            34
            12-Φ34
            1180
            360
            250
            450
            425
            370
            332
            36
            12-Φ36
            1390
            400
            300
            500
            485
            430
            390
            40
            16-Φ40
            1620
            450
            350
            550
            550
            490
            448
            44
            16-Φ44
            1810
            500
            400
            600
            610
            550
            505
            48
            16-Φ48
            1990
            560
            GB low temperature flange gate valve specifications main dimensions PN4.0MPa-10.0MPa
            4.0 MPa
            DN
            L
            D
            D1
            D2
            D6
            b
            n-Φd
            H
            D0
            凹面法法
            MFM
            DZ40Y-40LCB
            DZ40Y-40LC1
            DZ40Y-40LC2
            DZ40Y-40LC3
            DZ40Y-40LC4
            DZ40Y-40P
            DZ40Y-40R
            20
            150
            105
            75
            55
            51
            16
            4-Φ14
            330
            140
            25
            160
            115
            85
            65
            58
            16
            4-Φ14
            360
            160
            32
            180
            135
            100
            78
            66
            18
            4-Φ18
            440
            180
            40
            200
            145
            110
            85
            76
            18
            4-Φ18
            455
            200
            50
            250
            160
            125
            100
            88
            20
            4-Φ18
            575
            240
            65
            380
            180
            145
            120
            110
            22
            4-Φ20
            635
            240
            80
            3103
            195
            160
            135
            121
            22
            8-Φ22
            715
            280
            100
            50
            230
            190
            160
            150
            24
            8-Φ22
            815
            300
            125
            400
            270
            220
            188
            176
            28
            8-Φ24
            965
            360
            150
            450
            300
            250
            218
            204
            30
            8-Φ28
            1025
            400
            200
            550
            375
            320
            282
            160
            38
            8-Φ30
            1225
            450
            250
            650
            445
            385
            345
            313
            42
            12-Φ34
            1440
            560
            300
            750
            510
            450
            408
            364
            46
            16-Φ34
            1665
            5470
            350
            850
            570
            510
            465
            422
            52
            16-Φ41
            1880
            720
            400
            950
            655
            585
            535
            474
            58
            16-Φ18
            2050
            800
            6.4MPa
            20
            190
            125
            90
            68
            51
            20
            4-Φ18
            330
            180
            凹面法法
            MFM
            DZ40Y-64LCB
            DZ40Y-64LC1
            DZ40Y-64LC2
            DZ40Y-64LC3
            DZ40Y-64LC4
            DZ40Y-64P
            DZ40Y-64R
            25
            210
            135
            100
            78
            58
            22
            4-Φ23
            360
            180
            32
            230
            150
            110
            82
            66
            24
            4-Φ23
            410
            180
            40
            240
            165
            125
            95
            76
            24
            4-Φ23
            480
            220
            50
            250
            175
            135
            105
            88
            26
            4-Φ23
            585
            240
            65
            280
            200
            160
            130
            110
            28
            8-Φ23
            690
            240
            80
            310
            210
            170
            140
            121
            30
            8-Φ23
            745
            280
            100
            350
            250
            200
            168
            150
            32
            8-Φ25
            885
            300
            125
            400
            295
            240
            202
            176
            36
            8-Φ30
            985
            360
            150
            450
            340
            280
            240
            204
            38
            8-Φ34
            1050
            400
            200
            550
            405
            345
            300
            260
            44
            12-Φ34
            1240
            450
            250
            650
            470
            400
            352
            313
            48
            12-Φ41
            1460
            560
            300
            750
            530
            160
            412
            364
            54
            16-Φ41
            1670
            5640
            10.0MPa
            25
            210
            135
            100
            78
            58
            24
            4-Φ18
            365
            200
            凹面法法
            MFM
            DZ40Y-100LCB
            DZ40Y-100LC1
            DZ40Y-100LC2
            DZ40Y-100LC3
            DZ40Y-100LC4
            DZ40Y-100P
            DZ40Y-100R
            32
            230
            150
            110
            82
            66
            24
            4-Φ23
            420
            200
            50
            250
            195
            145
            112
            88
            28
            4-Φ25
            630
            240
            65
            280
            220
            170
            138
            110
            32
            8-Φ25
            700
            240
            80
            310
            230
            180
            148
            121
            34
            8-Φ25
            760
            280
            100
            350
            265
            210
            172
            150
            38
            8-Φ30
            900
            280

            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.DZ41H/Y/F cryogenic 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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