Issues regarding the selection of elbows for boiler blowdown pipelines
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The \"Regulations on Safety Inspection of Boilers\" TSGG0001-2012 does not specify whether the elbows in the waste gas discharge pipelines should be stamped or bent. The repealed \"Regulations on Safety Inspection of Hot Water Boilers\" only mentioned that stamped elbows can be used for hot water at temperatures below 120°C.
"Various types of pipe fittings (tees, elbows, high-precision diameter joints, etc.), as well as components such as header end caps, can be manufactured through hot working using appropriate steel materials for boiler use. \"Keywords: hot working\"