Interactive Comparison Table

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Colors
Aspect ISO 14726:2008
(Marine)		 ASME A13.1-2023
(United States)		 NBR 6493:2019
(Brazil)		 AS 1345:1995
(Australia)		 ISO 20560:2020
(International)		 BS 1710:2014
(United Kingdom)		 BS 4800:2011
(UK Colors)
Scope Marine and offshore (ships, rigs, FPSOs); can apply to land installations but excludes medical/industrial gases or cargo Industrial, commercial, institutional facilities; excludes buried pipelines or electrical conduits; existing schemes allowed with training Industrial and marine environments; establishes color requirements for piping in industrial installations Industrial and commercial settings; identifies contents of pipes, conduits, ducts for fluids, electrical, or communications; not for buried/inaccessible services Industrial, commercial, institutional settings; focuses on above-ground piping and tanks with hazardous substances per legislation Industrial and commercial settings; identifies contents of pipes, ducts, and electrical conduits in above and below ground installations Specifies colors for building and construction works, often used with BS 1710 for pipe marking in industrial and public buildings
Color Coding Dual-color: main color for fluid class (e.g., black for waste), secondary for subclass; uses RAL, Pantone, Munsell Six colors (yellow, red, orange, green, blue, brown) + four user-defined; per ANSI Z535.1; table revised in 2023 Color coding per fluid type, customizable, aligned with Brazilian regulations Color coding per fluid type (e.g., green for water); aligned with BS 1710; supplementary colors for hazards (e.g., yellow) Safety colors per ISO 3864-1; optional additional colors for fluid types; yellow as secondary band for hazardous substances Basic identification colors (e.g., green for water, red for fire) with safety colors (e.g., yellow for warning); aligned with BS 4800 Defines 122 colors for building works; used as a reference for BS 1710 color specifications, with RAL equivalents for accuracy
Label Design Main color ≥50% of marker, secondary bands (50mm with arrow); optional text Text legend (e.g., "HOT WATER"), arrows, optional GHS pictograms; new figures for flow directions and GHS in 2023 Customizable labels with legends, line numbers, bilingual text Text, chevrons for flow, optional safety symbols, color bands Safety symbols (ISO 7010), text, arrows, color bands, optional QR codes Text, arrows, color bands; optional supplementary codes or symbols; often bilingual Color swatches or bands; used in conjunction with BS 1710 for label design; no specific text requirements
Marker Placement Every 3-5m, near valves (75mm from flanges), penetrations, vertical pipes at ~170cm Every 25-50 ft, near valves, direction changes, penetrations; expanded details in 2023 Every 3-5m, near valves, branches, penetrations, project-specific Every 8m on straight runs (up to 50m for external visible), near valves, penetrations, junctions Every 5-10m, near valves, branches, penetrations, high-visibility areas; repeated near connections Every 3-5m, near valves, penetrations, bulkheads, wall/floor penetrations; project-specific adjustments Depends on BS 1710 implementation; typically every 3-5m with BS 1710 guidelines
Font Size Optional text, ~6–30 mm based on pipe size, no strict requirement 0.5–3.5 in (13–89 mm) based on pipe OD: <1.5 in (0.5 in), 1.5–2 in (0.75 in), etc. Customizable, ~6–30 mm, aligned with ISO/ASME 6–40 mm: <50 mm pipe (6–10 mm), 50–100 mm (15–20 mm), >100 mm (25–40 mm) 6–50 mm based on pipe size and viewing distance, no strict minimum ~6–30 mm, based on pipe size and visibility; no strict minimum Not specified; relies on BS 1710 for text size (typically 6–30 mm)
Viewing Distance Assumed 2–5 m, suited for marine confined spaces 5–25 ft (1.5–7.6 m): 0.5 in text (~5–10 ft), 3.5 in (~20–25 ft) Assumed 2–5 m, project-specific 2–8 m: small pipes (~2–3 m), larger pipes (~5–8 m) 2–10 m, adjustable based on pipe size and workplace conditions 2–5 m, adjusted for visibility in industrial settings Depends on BS 1710 implementation; typically 2–5 m
Text Requirements Optional, multilingual support Mandatory, bold sans-serif, English-focused (e.g., "PROPANE") Customizable, often bilingual, with P&ID or CAS# Mandatory, clear sans-serif (Series C/D capitals), safety-focused, upper-case Mandatory, multilingual if needed, with safety symbols Mandatory, clear text (e.g., "WATER"), often bilingual; codes or abbreviations allowed Not specified; relies on BS 1710 for text (e.g., content names)
Units of Measurement Metric (mm) Imperial (in) Metric (mm) Metric (mm) Metric (mm) Metric (mm) Metric (mm)
Compliance IMO regulations for maritime OSHA-referenced, mandatory in some U.S. industries; scope revised in 2023 Brazilian regulations, flexible for projects Australian safety regulations, BS 1710-aligned; normative for hazards/emergencies Global safety standards, ISO 7010/3864-1 compliant; aligns with national legislation UK Health and Safety regulations; meets Safety Signs and Signals Regulations 1996 UK building standards; used with BS 1710 for compliance in public works
Customization Limited, strict color standards User-defined colors, GHS pictograms; existing schemes with training Highly customizable for legends, languages Moderate customization, BS 1710-aligned; departures allowed in extreme cases Flexible, allows additional colors, QR codes, process info like LIN Moderate, allows user-defined colors with BS 4800 references Limited to color selection; used with BS 1710 for customization
Material Durability High durability for marine conditions (seawater, UV) Durable for industrial conditions (chemicals, temperature) High-performance for industrial/marine environments Durable for UV, chemical resistance Durable for industrial environments, UV/chemical resistance Durable for industrial conditions (UV, chemicals); adhesive labels recommended Durable for building environments; depends on application with BS 1710