Pipe Label Colors Pipe Label Placement Pipe Label Size Requirements INDUSTRIAL PIPE MARKING GUIDE Color, Size & Placement Reference Chart YELLOW BROWN ORANGE PURPLE RED BLACK GREEN WHITE BLUE GRAY Pipe Marking labels must effectively communicate the contents of the pipes, and give additional detail if special hazards (such as extreme temperatures or pressures) exist. Source ANSI/ASME a13.1 Labels should be applied at such an angle so that they are easily visible from employees’ direct line of sight. All pipes in your facility must be marked at all instances of the four key scenarios below : At 25’ to 50’ intervals on straight runs On both sides of entry points through floors and walls At all changes in direction Adjacent to all flanges and valves 1-866-777-1360 | creativesafetysupply.com Questions about Pipe Marking? Flammable Fluids & Gasses Pipe Diameter Min. Label Size Min. Text Height Toxic or Corrosive Fluids & Gasses Fire-Quenching Fluids All Water (Potable, Boiler, etc.) All Air (Compressed, Lab, etc.) Combustible Fluids and Gasses Definable by user Definable by user Definable by user Definable by user Although not required by ANSI/ASME regulations, it is STRONGLY recommended to note the direction of flow on the pipe, either on the pipe marking label itself, or by using ‘arrow banding’ tape. 0.75” to 1.24” 1” x 8” 0.5” 1.25” to 2.4” 1” x 8” 0.75” 2.5” to 8” 2” x 12” 1.25” 8.1” to 10” 3” x 24” 2.5” 10.1”+ 4” x 32” 3.5”

Source ANSI/ASME a13 - okyanusbilgiambari.com · Source ANSI/ASME a13.1 Labels should be applied at such an angle so that they are easily visible from employees’ direct line of

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Page 1: Source ANSI/ASME a13 - okyanusbilgiambari.com · Source ANSI/ASME a13.1 Labels should be applied at such an angle so that they are easily visible from employees’ direct line of

Pip

e L

abel

lors

Pipe Label Placement Pipe Label Size Requirements

INDUSTRIAL PIPE MARKING GUIDEColor, Size & Placement Reference Chart

YELLOW

BROWN

ORANGE

PURPLE

RED

BLACK

GREEN

WHITE

BLUE

GRAY

Pipe Marking labels must effectively communicate the contents of the pipes, and give additional detail if special hazards (such as extreme temperatures or pressures) exist. Source ANSI/ASME a13.1

Labels should be applied at such an angle so that they are easily visible from employees’ direct line of sight.

All pipes in your facility must be marked at all instances of the four key scenarios below :

At 25’ to 50’ intervals on straight runs

On both sides of entry points through floors and walls

At all changes in direction

Adjacent to all flanges and valves

1-866-777-1360 | creativesafetysupply.comQuestions about Pipe Marking?

Flammable Fluids & Gasses

PipeDiameter

Min. Label Size

Min. Text Height

Toxic or Corrosive Fluids & Gasses

Fire-Quenching Fluids

All Water (Potable, Boiler, etc.)

All Air (Compressed, Lab, etc.)

Combustible Fluids and Gasses

Definable by user

Although not required by ANSI/ASME regulations, it is STRONGLY recommended to note the direction of flow on the pipe, either on the pipe marking label itself, or by using ‘arrow banding’ tape.

0.75” to 1.24” 1” x 8” 0.5”

1.25” to 2.4” 1” x 8” 0.75”

2.5” to 8” 2” x 12” 1.25”

8.1” to 10” 3” x 24” 2.5”

10.1”+ 4” x 32” 3.5”