English 
+86-13730919470 / +86 13953218345
vera_yang@sinopowersd.cn
vera_yang@sinopowersd.cn
28F, Zhaoyin Mansion, 36 Hong-kong Middle Road, Qingdao, Shandong Province, China 266071
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The cylinder diameter of the header in a power station boiler is generally from φ89mm to φ914mm, the wall thickness ranges from 7mm to 150mm, and the maximum length is about 23000mm. The material of the header is carbon steel (such as 20G, SA-106B, SA-106C), low-alloy heat-resistant steel (such as 15CrMoG, 12Cr1MoVG, WB36, SA-335P12, SA335-P22), medium-alloy heat-resistant steel (such as SA -335P91), the supercritical boiler also uses SA-335P122, SA-335P92, etc.
A: " If our power plant too old to find the original boiler drawing, is that possible we replace the boiler tube header ? "
B: " Sure, it can be replaced. "
A: " How to do that?"
B: " Our engineer need your reference drawing or dimension remark for each tube central location. Based on that, our engineer will give you one primary drawing showing the locations of tube points and distance between them. You can check that from site and confirm that. We can start the manufacture."
The cylinder diameter of the header in a power station boiler is generally from φ89mm to φ914mm, the wall thickness ranges from 7mm to 150mm, and the maximum length is about 23000mm. The material of the header is carbon steel (such as 20G, SA-106B, SA-106C), low-alloy heat-resistant steel (such as 15CrMoG, 12Cr1MoVG, WB36, SA-335P12, SA335-P22), medium-alloy heat-resistant steel (such as SA -335P91), the supercritical boiler also uses SA-335P122, SA-335P92, etc.
A: " If our power plant too old to find the original boiler drawing, is that possible we replace the boiler tube header ? "
B: " Sure, it can be replaced. "
A: " How to do that?"
B: " Our engineer need your reference drawing or dimension remark for each tube central location. Based on that, our engineer will give you one primary drawing showing the locations of tube points and distance between them. You can check that from site and confirm that. We can start the manufacture."
