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Φ1400-4000 large spiral welding (Guotong shares Zhongshan production site)

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Brief introduction of complete equipment and steel mold development of prestressed steel cylinder concrete pipe (PCCP) production line
Presessed Concrete Cylinder Pipe (PCCP) is the fastest growing high-quality pressure water supply and drainage pipe in China since the 1990s. Compared with ordinary pressure pipelines, PCCP has excellent performance against high external load, high impermeability and high joint sealing. PCCP is quick to install and convenient to construct. It is widely used in various water, drainage and other pipeline projects at home and abroad. At present, the annual PCCP pipeline used in China can reach thousands of kilometers. The PCCP can withstand a maximum internal pressure of up to 2.5 MPa, a maximum soil depth of up to 20 m, and a design life of up to 50 years. PCCP is especially suitable for large-diameter pipeline engineering. The maximum pipe diameter of PCCP used in China is 4000mm (the maximum pipe diameter of PCCP used in the United States is 6400mm), and the weight of single pipe is 60-70 tons.
At the same time of rapid development of PCCP in China, PCCP special equipment has also developed rapidly. Our company keeps pace with the development of PCCP market and actively develops special equipment for PCCP pipe making. It is the earliest domestic production of PCCP pipe special equipment. One of the manufacturers, successfully developed PCCP part of the special equipment for pipemaking as early as 1998, and provided PCCP equipment and steel molds for φ1800 and φ2400 for Shenzhen Sun Pipeline Engineering Co., Ltd. and Jiangsu Jingjiang Pipeline Engineering Co., Ltd. Circular machine, edge-rolling machine, rounding machine, flat-plate welding process equipment, horizontal winding machine, horizontal shotcrete machine and other complete sets of equipment; in 2002 developed and produced vertical differential winding machine, vertical roller Large-scale pipe-making equipment such as shooting machines; in 2006, it provided a large number of high-quality equipment for the largest PCCP (diameter 4000mm) project in South China. In 2008, it jointly developed and produced a small-diameter steel tube spiral coil welder with scientific research institutions; R & D and production of large diameter steel cylinder spiral coil welding machine; in 2013 in the northwestern Liaoning water supply project, our company provided a large number of PCCP for Guotong shares, Longquan shares and other enterprises. Host equipment and steel molds. So far, the company has obtained a number of patents for various pipe-making equipments(For example: ZL201410310881.7 of the steel pipe to be welded of the spiral welded pipe machine, a prefabricated pipe winding machine ZL200810195196.9, the transmission mechanism of the direct-connect horizontal horizontal spraying machine ZL201420292257.4. The product design concept is advanced and the product performance is at the domestic advanced level. Over the years, we have provided a large number of PCCP complete sets of equipment for nearly 100 domestic PCCP pipe manufacturers. Steel mold; the products are sold well in China and exported to Egypt, Vietnam, India, Indonesia, Canada and other countries and Taiwan.
PCCP equipment main users:
1. Xinjiang Guotong Pipeline Co., Ltd.
  (Liaoning Branch, Tianjin Branch, Sichuan Branch, Zhongshan Branch, Yili Branch, Harbin Company, Bohai Branch, Xinjiang Branch)
2. Shandong Longquan Pipeline Engineering Co., Ltd.
  (Liaoning Branch, Henan Branch, Hebei Branch, Changzhou Branch, Liaoyang Branch, Boshan Branch, Anhui Branch, Jilin Branch, Hubei Branch, Xinjiang Branch)
3. Ningxia Qinglong Pipe Industry Co., Ltd.
  (Anyang Branch, Qingtongxia Branch, Tianjin Branch, Inner Mongolia Branch, Jikang Branch, Hubei Branch, Xinjiang Branch, Xinke Branch)
4. Beijing Hanjian Heshan Pipe Industry Co., Ltd.
  (Liaoning Branch, Zhangzhou Branch, Yexian Branch, Anhui Branch, Jilin Branch, Hubei Branch)
5. Shandong Electric Power Pipeline Engineering Company
  (Liaoning Branch, Liaocheng Branch, Longkou Branch, Guangdong Branch, Jilin Branch)
6. Zhongshui Sixth Bureau Huazhe Open Source Pipe Co., Ltd.
7. Hydropower 13th Bureau Henghua (Zhangwu) Pipe Industry Co., Ltd.
8. Wuxi Huayi Pipeline Co., Ltd.
9, Shenzhen Zhuocheng Pipeline Co., Ltd.
10. Anhui Julong Pipe Industry Co., Ltd.
11. Henan Julong Pipe Industry Co., Ltd.
12. Shandong Yuwang Pipe Industry Co., Ltd.
    Shandong Yuwang Pipe Industry Hainan Branch
13. Tianjin Changtian Pipeline Co., Ltd.
   (Xinxiang Branch, Shexian Branch)
14. Hebei Construction Group Qianqiu Pipe Industry Co., Ltd.
15. Jilin Electric Power Pipeline Engineering Corporation
16. Tianjin Zebao Cement Products Co., Ltd.
17. Nanning Hongji Cement Products Co., Ltd.
18. Kunming Pre-management Co., Ltd.
19. Jinan Shanshui Pipeline Co., Ltd.
    Zhoukou Shanshui Pipeline Co., Ltd.
20. Zhejiang Yuanbang Pipeline Co., Ltd.
21. Taiwan Guotong International Co., Ltd.
22. Xinjiang Dahualong Pipeline Co., Ltd.
23, Qingdao Rongyi New Building Materials Co., Ltd.
24, Tianyuan Construction Group Co., Ltd.
25. Hengrun Group Co., Ltd.
26. Shandong Woer Pipe Industry Co., Ltd.
27. Qingdao Zhonghao Pipe Industry Co., Ltd.
28, Yanggu Tianma New Building Materials Co., Ltd.
29. Yunnan Chuxiong Hengji Pipeline Industry Co., Ltd.
30. Nanyang Yulong Pipeline Co., Ltd.
31. Shenyang Yufei Pipe Industry Co., Ltd.
32. Zhuhai Zhujin Anti-corrosion Engineering Co., Ltd.
33. Zaoyang Xinda Tongxing Building Materials Co., Ltd.
34. Zhijiang Exi Cement Products Co., Ltd.
35. Zhuzhou Yuhong Pipeline Co., Ltd.
36. Rizhao Bihaili Pipeline Engineering Co., Ltd.
37. Changchun City Construction Pipe Industry Co., Ltd.
38. Jilin Qingxu Machinery Equipment Co., Ltd.
39. Hebei Xinghui Industry Co., Ltd.
40. Yunnan Shengbolong Pipe Industry Co., Ltd.
41. Ningxia Ningdong Cement Products Co., Ltd.
42. Fujian Zhengtong Pipeline Co., Ltd.
43. Ningbo Haogang Industrial Co., Ltd.
44. Baotou Jianlong Pipeline Co., Ltd.
45. Sichuan Haoyuntong Building Material Co., Ltd.
46. ​​Xinjiang Ligao Deyu New Technology Materials Co., Ltd.
             (names not listed in order)
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