British Standard 1710 pipe markers are globally recognised. The usage of pipe markers compliant to the British Standard 1710 will increase your plant safety.

Those pipe markers are a combination of 2 colour categories:

basic identification colour
Code indications

Colour scheme

Basic identification Colour

Identifies content flowing through the pipes.

Pipe content	Colour
Water	Green
Steam	Silver-grey
Oils	Brown
Gases	Yellow ochre
Acids and alkalis	Violet
Air	Light blue
Waste effluent	Black
Electrical services and ventilation ducts	Orange

Code indication and safety colours

Additional information must be added in code indication colours or safety colours for these pipe contents:

Safety colours

Pipe content	Colour
Fire	Red
Water from a public supply	Auxiliary blue
Water from any other source	Flint grey
Warning	Yellow

Code indication colours

Pipe content	Colour
Refrigeration	Blue
Medical gases and refrigeration	Golden brown
Building services and refrigeration	Crimson
Building services and refrigeration	Emerald green
Building services	Salmon pink
Building services and medical gases	Primrose
Building services and medical gases	White
Medical gases	French grey
Medical gases	French blue
Refrigeration	Sea green
Refrigeration	Dark mauve

Dimensions

Min. Pipe Diameter (mm)	Max. Pipe Diameter (mm)	Basic ID colours (mm)	Code indication or safety colour (mm)	Basic ID colours (mm)
0	50	50	30	50
51	100	100	75	100
101	-	150	150	150

Direction of flow and supplementary information

An arrow or arrow shaped pipe marker indicates the content flow direction
Supplementary information such as content name, temperature, flow, return,…

Examples