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What is the difference between pipe diameter DN and De?DN refers to the nominal diameter of the pipeline. Note: This is neither the outer diameter nor the inner diameter. It should be related to the British system unit in the early stage of pipeline engineering development. It is usually used to describe the galvanized steel pipe. Its corresponding relationship with the British system unit is as follows: 4 branch pipes: 4 / 8 inch: DN15; 6 branch pipes: 6 / 8 inch: DN20; 1 inch pipe: 1 inch: DN25; 2 inch pipes: 1 and 1 / 4 inch: DN32;Inch half pipe: 1 and 1 / 2 inch: Dn40;Two inch pipe: 2 inch...
release time: 2018 - 04 - 27
浏览次数:45
On November 30, the theme Salon of 'new energy saving trend of air compressor station: from single machine energy saving to whole station energy saving' was successfully held in Guangzhou R & D center.More than 50 people, including Professor Chen Xiangdong of Hefei General mechanical and electrical product testing institute, Mr. Qin Guozhong, Secretary General of Jiangsu compressor industry association, and Mr. Chen Siyuan, general manager of Guangdong green energy saving service Co., Ltd., were invited to attend the event.The energy saving market of air compressor station is broad...
release time: 2019 - 12 - 05
浏览次数:3
On the morning of November 29, the awarding ceremony of 'Fusheng compressor Education Scholarship' for 2018-2019 academic year was held in the lecture hall on the second floor of the north second floor. He Dongping, R & D director of Fusheng Co., Ltd., Yu Yue, deputy manager of product R & D Department of Fusheng Industrial (Shanghai) Co., Ltd., Wei Na, deputy secretary of the Party committee of dynamic college, Cao Feng, director of compressor engineering department and representatives of teachers and students attended the ceremony, which was hosted by Wu Huagen, deputy direct...
release time: 2019 - 12 - 03
浏览次数:3
Aluminum alloy pipes focus on the transportation of all fluid. In industrial applications, the application of compressed air system is often talked about. Now, many industries have chosen to use aluminum alloy pipes to transport fluid.Then, I'd like to give you an example of nine areas where aluminum alloy pipes are mainly used.1. Automobile manufacturing industry2. Textile industry3. Food and beverage4. Furniture manufacturing5. New energy6. Tobacco manufacturing7. Military manufacturing8. Medical treatment9. Electronic appliancesThese industries will be applied to aluminum alloy in indus...
release time: 2019 - 11 - 30
浏览次数:4
Sina US stock news Beijing time 26 news, India Competition Commission investigation found that Tata Steel and CK Birla group in India, as well as Sweden SKF and Germany Schaeffler Group's subsidiaries conspire to manipulate bearing prices, may face huge fines.India's Competition Commission began its investigation in 2017 after complaints that the companies conspired to manipulate bearing prices between 2009 and 2014, shifting higher raw material costs to customers in the automotive industry.According to the data, India's bearing market is dominated by SKF and Schaeffler, with a sca...
release time: 2019 - 11 - 30
浏览次数:1
The '2019 new policy and new standard energy efficiency testing training course for air compressor industry' sponsored by compressor branch of China General Machinery Industry Association and co organized by Guangdong compressor association was held in Zhongshan, Guangdong Province, on November 7-9, 2019.The training course is specially designed for air compressor manufacturers around Guangdong Province by compressor branch of China Communications Association. 19 trainees from 14 enterprises participated in the training.Jin Wei, director of compressor branch of China Communications Ass...
release time: 2019 - 11 - 26
浏览次数:3
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