In the industrial sector, the primary standard for painting and marking pipelines is . This standard establishes a unified system of identification colors, warning signs, and marking plates to ensure safety and simplify process management. 1. Basic Identification Colors
Pipelines are color-coded based on the group of substances they transport: Substance Group Identification Color (Potable, technical, wastewater) Green Steam (Saturated, superheated) Red Air (Compressed, atmospheric) Blue Gases (Combustible and non-combustible) Yellow Acids Orange Alkalis Purple Combustible Liquids Brown Non-combustible Liquids / Other Grey gost pokraska truboprovoda
To indicate specific hazards, transverse warning rings are applied over the identification color: In the industrial sector, the primary standard for
Indicate fire or explosion hazards (flammability). In the industrial sector
Indicate toxicity, radioactivity, high pressure, or deep vacuum. Green Rings: Indicate safe or neutral substances.