Standard Number: YB/T 4072-2021(YB/T4072-2021)
Chinese:高炉热风阀
English:Blast furnace hot air valve
Effective Date:2021-07-01
Standard Applicability:This document specifies the terminology and definition, model, basic type and parameters, technical requirements, test methods, inspection rules, marking and packaging, storage and transportation, installation and use of blast furnace hot air valve. This document applies to the blast furnace hot air valve with system working pressure not more than 0.6MPa, working temperature not higher than 1,450℃ and nominal diameter DN 500~DN 2,200.
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