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Increase safety with reliable,
ISO 14726-compliant pipe markers

Clearly identify pipes for more safety

Get the pipe marking guidebook Shop for Marine pipemarkers

ISO 14726-compliant marine pipe markers


Marking pipes on ships and offshore sites is of the utmost importance to strengthen safety at all times. Accidents, injuries and damage to machines and equipment can originate from not knowing which substances flow through pipes. 

ISO 14726 pipe markers are a combination of 2 colour categories:

  • Main colours for media groups
  • Additional colour for different media or functions
 

Colour scheme


The ISO 14726 standard (International Standard Organisation) specifies the principle colours for the identification of substances in pipes. ISO 14726-2 specifies additional colour codes that allow a more detailed identification of the substance.

Waste Media

BLACK WATER Black - RAL 9005
Blue - RAL 5015
Black - RAL 9005
WASTE OIL Black - RAL 9005
Brown - RAL 8001
Black - RAL 9005
BILGE WATER Black - RAL 9005
Green - RAL 6018
Black - RAL 9005
EXHAUST GAS Black - RAL 9005
Grey - RAL 7001
Black - RAL 9005
GREY WATER Black - RAL 9005
White - RAL 9010
Black - RAL 9005
SEWAGE Black - RAL 9005
Yellow Ochre - RAL 1021
Black - RAL 9005

Fresh Water

FRESH WATER Blue - RAL 5015
Black - RAL 9005
Blue - RAL 5015
POTABLE WATER Blue - RAL 5015
Green - RAL 6018
Blue - RAL 5015
DISTILATE Blue - RAL 5015
Grey - RAL 7001
Blue - RAL 5015
GAS TURBINE WASH WATER Blue - RAL 5015
Orange - RAL 2003
Blue - RAL 5015
FEED WATER Blue - RAL 5015
Silver - RAL 9006
Blue - RAL 5015
COOLING FRESH WATER Blue - RAL 5015
Violet - RAL 4001
Blue - RAL 5015
CHILLED WATER Blue - RAL 5015
White - RAL 9010
Blue - RAL 5015
CONDENSATE Blue - RAL 5015
Yellow Ochre - RAL 1021
Blue - RAL 5015

Sea Water

DECONTAMINATION WATER Green - RAL 6018
Blue - RAL 5015
Green - RAL 6018
FRESH WATER Green - RAL 6018
Brown - RAL 8001
Green - RAL 6018
BALLAST WATER Green - RAL 6018
Violet - RAL 4001
Green - RAL 6018
COOLING SEA WATER Green - RAL 6018
Yellow Ochre - RAL 1021
Green - RAL 6018

Non Flammable Gases

OXYGEN Grey - RAL 7001
Blue - RAL 5015
Grey - RAL 7001
INERT GAS Grey - RAL 7001
Brown - RAL 8001
Grey - RAL 7001
NITROGEN Grey - RAL 7001
Green - RAL 6018
Grey - RAL 7001
REFRIGERANT Grey - RAL 7001
Maroon - RAL 8015
Grey - RAL 7001
COMPRESSED AIR - LOW PRESSURE Grey - RAL 7001
Orange - RAL 2003
Grey - RAL 7001
COMPRESSED AIR - HIGH PRESSURE Grey - RAL 7001
Red - RAL 3000
Grey - RAL 7001
CONTROL AIR - REGULATING AIR Grey - RAL 7001
Violet - RAL 4001
Grey - RAL 7001
BREATHING AIR Grey - RAL 7001
White - RAL 9010
Grey - RAL 7001
BREATHING GAS Grey - RAL 7001
Yellow Ochre - RAL 1021
Grey - RAL 7001

Fuel

FUEL Brown - RAL 8001
Brown - RAL 8001
Brown - RAL 8001
HFO ( HEAVY FUEL OIL) Brown - RAL 8001
Black - RAL 9005
Brown - RAL 8001
AVIATION FUEL Brown - RAL 8001
Blue - RAL 5015
Brown - RAL 8001
BIOLOGICAL FUEL Brown - RAL 8001
Violet - RAL 4001
Brown - RAL 8001
GAS TURBINE FUEL Brown - RAL 8001
White - RAL 9010
Brown - RAL 8001
MDO ( MARINE DIESEL FUEL) Brown - RAL 8001
Yellow Ochre - RAL 1021
Brown - RAL 8001

Acids and Alkalis

Acids and Alkalis Violet - RAL 4001
Violet - RAL 4001
Violet - RAL 4001

Oil other than Fuel

THERMAL FLUID Orange - RAL 2003
Blue - RAL 5015
Orange - RAL 2003
LUBRICATION OIL FOR GAS TURBINES Orange - RAL 2003
Green - RAL 6018
Orange - RAL 2003
HYDRAULIC FLUID Orange - RAL 2003
Grey - RAL 7001
Orange - RAL 2003
LUBRICATION OF STEAM TURBINES Orange - RAL 2003
Silver - RAL 9006
Orange - RAL 2003
LUBICATION OIL FOR GEARS Orange - RAL 2003
Violet - RAL 4001
Orange - RAL 2003
LUB. OIL FOR INT. COMBUSTION ENGINES Orange - RAL 2003
Yellow Ochre - RAL 1021
Orange - RAL 2003

Steam

STEAM FOR HEATING Silver - RAL 9006
Black - RAL 9005
Silver - RAL 9006
DRIVING STEAM Silver - RAL 9006
Green - RAL 6018
Silver - RAL 9006
EXHAUST STEAM Silver - RAL 9006
White - RAL 9010
Silver - RAL 9006
SUPPLY STEAM Silver - RAL 9006
Yellow Ochre - RAL 1021
Silver - RAL 9006

Air in Ventilation Systems

DISCHARGE AIR White - RAL 9010
Black - RAL 9005
White - RAL 9010
MECHANICAL SUPPLY AIR - COLD White - RAL 9010
Blue - RAL 5015
White - RAL 9010
NATURAL EXHAUST AIR White - RAL 9010
Brown - RAL 8001
White - RAL 9010
ATMOSPHERIC AIR White - RAL 9010
Green - RAL 6018
White - RAL 9010
MECHANICAL EXHAUST AIR White - RAL 9010
Grey - RAL 7001
White - RAL 9010
DECONTAMINATED SUPPLY AIR White - RAL 9010
Maroon - RAL 8015
White - RAL 9010
MECHANICAL RECIRCULATED AIR White - RAL 9010
Orange - RAL 2003
White - RAL 9010
MECHANICAL SUPPLY AIR - WARM White - RAL 9010
Silver - RAL 9006
White - RAL 9010
SMOKE CLEARANCE White - RAL 9010
Red - RAL 3000
White - RAL 9010
CONDITIONED SUPPLY AIR White - RAL 9010
Violet - RAL 4001
White - RAL 9010
NATURAL SUPPLY AIR White - RAL 9010
Yellow Ochre - RAL 1021
White - RAL 9010

Fire Fighting

FIRE FIGHTING WATER Red - RAL 3000
Green - RAL 6018
Red - RAL 3000
FIRE FIGHTING GAS Red - RAL 3000
Grey - RAL 7001
Red - RAL 3000
SPRINKLER WATER Red - RAL 3000
Orange - RAL 2003
Red - RAL 3000
SPRAY WATER Red - RAL 3000
Violet - RAL 4001
Red - RAL 3000
FIRE FIGHTING POWDER Red - RAL 3000
White - RAL 9010
Red - RAL 3000
FIRE FIGHTING FOAM Red - RAL 3000
Yellow Ochre - RAL 1021
Red - RAL 3000

Flammable Gases

HYDROGEN Yellow Ochre - RAL 1021
Blue - RAL 5015
Yellow Ochre - RAL 1021
ACETYLENE Yellow Ochre - RAL 1021
Grey - RAL 7001
Yellow Ochre - RAL 1021
LIQUID GAS Yellow Ochre - RAL 1021
Violet - RAL 4001
Yellow Ochre - RAL 1021

Dimensions


Small Medium Large
Without Legend 127mm x 30m 200mm x 30m 300mm x 30m
With Legend 225mm x 30m 400mm x 30m 600mm x 30m
 
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