公稱(chēng)通徑 尺寸(mm) 重量 DN（mm） L D D1 D2 D0 n-Th D H1 H2 （kg) 50 48 165 125 99 180 4-M16 18 290 350 10 65 48 185 145 118 200 4-M16 18 310 375 11 80 51 200 160 132 220 8-M16 18 350 430 13.5 100 51 220 180 156 240 8-M16 18 405 505 15.5 125 57 250 210 184 260 8-M16 18 450 575 23.5 150 57 285 240 212 280 8-M20 23 510 660 29 200 70 340 295 266 300 8-M20/12-M20 23 610 810 43/43.5 250 70 395/405 350/355 319 340 12-M20/12-M24 23/27 765 1015 67.5/68 300 76 445/460 400/410 370 380 12-M20/12-M24 23/27 820 1120 100.5/101 350 76 505/520 460/470 430 400 16-M20/16-M24 23/27 970 1320 126/127 400 89 565/580 515/525 480 450 16-M24/16-M27 27/30 1024 1424 176.2/177 450 89 615/640 565/585 530/548 530 20-M24/20-M27 27/30 1235 1685 289/290 500 114 670/715 620/650 582/609 600 20-M24/20-M30 27/33 1286 1786 380/382 600 114 780/840 725/770 682/720 600 20-M27/20-M33 30/336 1486 2086 498.6/500 700 114 895/910 840 794 680 24-M27/24-M36 30/36 1710 2410 745/748 800 114 1015/1025 950 901 680 24-M30/28-M36 33/39 1940 2740 1145/1147 900 127 1115/1125 1050 1001 ‐ 28-M30/28-M36 33/39 2160 3060 1424/1427 1000 149 1230/1255 1160/1170 1112 ‐ 28-M33/28-M39 36/42 2390 3390 1900/1910 1200 156 1455/1485 1380/1390 1328 ‐ 32-M36/32-M45 39/48 2700 3900 ‐ 1400 171 1675/1685 1590 1530 ‐ 36-M39/36-M45 42/48 3100 4505 ‐ 1600 198 1915/1930 1820 1750 ‐ 40-M45/40-M52 48/55 3500 4107 ‐ 1800 219 2115/2130 2020 1950 ‐ 44-M45/44-M52 48/55 4105 5908 ‐ 2000 250 2325/2345 2230 2150 ‐ 48-M45/48-M56 48/60 4500 6520 ‐ 注：“/”上面尺寸為PN1.0MPa尺寸，“/”下面尺寸為PN1.6MPa尺寸。

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.。

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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, practice“Three packs”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.，
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”.。