Do pneumatic conveying pipelines qualify as pressure pipelines?
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In this project, compressed air at 0.7 MPa is used to convey Class C powdered materials. Is the pneumatic conveying pipeline considered a pressure pipeline?
Definition of pressure pipelines: Tubular devices that use a certain pressure to transport gases or liquids. Such pipelines are defined as those with a maximum operating pressure of 0.1 MPa (gauge pressure) or more, handling gases, liquefied gases, steam, or liquid media that are flammable, explosive, toxic, corrosive, and have a maximum operating temperature equal to or higher than their standard boiling point; furthermore, their nominal diameter must be greater than 25 mm.
One must keep up with the times. Your definition has been deprecated. It was changed after the new safety law was enacted the year before last. Catalog of special equipment.