An Introduction to Ductile Iron Pipes
- Aug 09, 2021
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1. The history of ductile iron pipes In 1947, H. Morrogh from the UK discovered that when cerium was added to hypereutectic gray cast iron, the graphite would be spherical with the content above...
The Water Hammer Protection of Long-distance Pressure Sewage Pipeline Engineering (Part Two)
- Jul 19, 2021
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4. The calculation of the water hammer protection 4.1 Check valves A check valve is a valve that automatically opens and closes the valve disc by relying on the flow of the medium itself...
The Water Hammer Protection of Long-distance Pressure Sewage Pipeline Engineering (Part One)
- Jul 07, 2021
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Abstract: In the long-distance pressure sewage pipeline project, the water hammer protection measures play a vital role in ensuring the safe and stable operation of the pipeline. A sewage pipeline...
An Introduction to Continuous Pipe Mills of Seamless Steel Tubes
- Jun 11, 2021
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Seamless steel pipes are widely used in automobile, national defense, aerospace, machinery, shipbuilding and other fields. In recent years, with the improvement of China's scientific and...
Analyses of the Cracking of Seamless Steel Tubes Used for High Pressure Boilers
- Jun 02, 2021
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Abstract: After a high-pressure boiler has been in service for 6 years, its seamless steel pipe has cracked. The seamless steel pipe is tested and analyzed by chemical composition analyses,...
Installation of Water Supply Steel Pipes with Large Diameters (Part Two)
- May 22, 2021
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In the welding process of steel pipes, it's better to choose the carbon dioxide gas welding and the following steps should be paid attention to: ① Preheating before welding Before the welding, preheat...
Installation of Water Supply Steel Pipes with Large Diameters (Part One)
- May 14, 2021
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Abstract: This article mainly focuses on the research on the installation and construction technology of large-diameter water supply steel pipes, combined with the current installation and construction...
Cracks of High Pressure Bends
- May 07, 2021
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Cracks of High Pressure Bends A high-pressure pipe joint is also known as the high-pressure fluid control part. It is widely used in well cementation, fracturing and acidification testing, and wellhead...
Design of Protective Pipes for Steam Pipes in Chemical Process Units (Part Two)
- Apr 19, 2021
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2.2 Designing drainage facilities In order to ensure the normal operation of the steam pipeline, it is required to establish drainage facilities in the system. For example, there is superheated steam...