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                H71H/W pair lift lift check valve

                H71H/W pair lift lift check valve
                • sell:021-32051999
                • sell:021-32050777
                • fax:021-66099555

                Details

                • Product Introduction
                • Service Promise
                • Ordering Process

                H71H/W double-clip lifting check valve is composed of valve body, disc, spring and so on. It is installed horizontally or vertically in pipeline system to prevent medium backflow with short structure, small volume and light weight. The disc closes quickly and the water hammer pressure is small. The flow passage is smooth and the fluid resistance is small.


                Main technical parameters


                型号
                公称通径
                试验压力
                工作温度
                适用温度
                壳体
                密封
                H71H-16Q
                1.6
                2.4
                1.76
                ≤235℃
                水、蒸气、油品等
                H71H-25Q
                2.5
                3.75
                2.75
                ≤235℃
                H71W-25H
                ≤300℃
                H71W-25P
                ≤200℃
                硝酸等腐蚀ξ 性介质
                H71W-40H
                4.0
                6.0
                4.4
                ≤300℃
                H71W-40P
                ≤200℃
                水、蒸气


                Material of main parts


                型号
                阀门
                阀瓣
                弹簧
                H71H-16Q H71H-25Q
                QT400-15
                25
                50CrVA
                H71W-25H H71W-40H
                2Cr13
                1Cr13
                1Cr18Ni9
                H71W-25P H71W-40P
                ZG1Cr18Ni9Ti
                1Cr18Ni9Ti
                1Cr18Ni9Ti


                Main dimensions


                公称通径
                L
                D
                公称通径
                L
                D
                1.6
                2.5
                4.0
                1.6
                2.5
                4.0
                15
                25
                48
                48
                48
                80
                71
                140
                140
                140
                20
                31.5
                58
                58
                58
                100
                80
                160
                165
                165
                25
                35.5
                68
                68
                68
                125
                110
                190
                195
                195
                32
                40
                80
                80
                870
                150
                125
                215
                225
                225
                40
                45
                90
                90
                90
                200
                160
                270
                285
                390
                50
                56
                105
                105
                105
                250
                200
                330
                340
                350
                65
                63
                125
                125
                125
                300
                250
                385
                400
                415


                Flange connection size: iron valve according to GB4216.4 (5) -84 standard, steel valve according to GB/T9113.1-2000 standard.

                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.H71H/W pair lift lift check 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!