ISO-14726 (Color Marking on Pipes)

COLOUR MARKING OF PIPES Main- and additional colours

Main- and additional colours

Main- and additional colours

Black (BK)

Waste media

Green (GN)

Sea water

Silver (SR)

Blue (BU)

Fresh water

Grey (GY)

Non-flammable gases

Red (RD)

Brown (BN)

Fuel

Orange (OG)

Oil other than fuel

White (WH)

Waste media Black water BK

BU

BK

BK

BN

BK

BK

GN

BK

BK

GY

BK

BK

WH

BK

BK

YEO

BK

Waste oil / Used oil Bilge water Exhaust gas Grey water Sewage, contaminated

Fresh water

ISO 5002

Oxygen

GY

BN

GY

GY

GN

GY

GY

MN

GY

GY

OG

GY

GY

RD

GY

Compressed air LP (Low Pressure) Compressed air HP (High Pressure)

VT

GY

Control air / regulating air

ISO 5046

GY

Breathing air

ISO 5047

GY

WH GY

Inert gas

ISO 5006 ISO 5007 ISO 5008

BN

BU

Potable water BU

GN

Destillate BU

BU

GY

OG

ISO 5082

Atmospheric air

ISO 5083

Mechanical exaust air

ISO 5084

WH

WH

Decontaminated supply air

ISO 5085

WH MN

WH

Mechanical recirculated air

ISO 5086

WH OG

WH

Mechanical supply air, warm

ISO 5087

WH SR

Smoke clearance

ISO 5088

WH RD

WH

WH

Conditioned supply air

ISO 5089

WH VT

Natural supply air

ISO 5090

WH BN

WH

WH GN

WH

WH GY

ISO 5043 ISO 5045

ISO 5048

Breathing gas

ISO 5011

BU

SR

BU

BU

VT

BU

Gas-turbine wash water

ISO 5012

Feed water

ISO 5014

Cooling fresh water

ISO 5015

Chilled water

ISO 5016

Acids, alkalis

ISO 5050 WH YEO WH

Masses (dry and wet)

ISO 5052

Firefighting/fire protection ISO 5065

WH BU

Condensate

ISO 5017

Oil other than fuel

RD

GN

RD

RD

GY

RD

RD

OG

RD

RD

VT

RD

RD

WH

RD

ISO 5055

BU YEO BU

Fuel

Thermal fluid

ISO 5018 OG

Heavy fuel (HFO) BN

BK

BU

OG

VT

BN

WH

GY

OG

OG

SR

OG

OG

VT

OG

ISO 5024

BN YEO BN

OG YEO OG

Sea water

Lubrication oil for gas turbines Hyraulic fluid

OG

ISO 5023

BN

Diesel fuel (MDO)

BU

ISO 5022

BN

Gas-turbine fuel

GN

ISO 5057

OG

ISO 5020

BN

Biological fuel BN

BU

ISO 5019

BN

Aviation fuel BN

Acids, alkalis

Natural exaust air

WH

ISO 5042

GY YEO GY

Violet (VT)

ISO 5081

WH BU

BU

BU

BU

ISO 5010

BU

Masses (dry and wet)

Mechanical supply air, cold

WH

ISO 5041

Refrigerant

ISO 5005

Maroon (MN)

ISO 5080

WH BK

ISO 5040

Nitrogen

ISO 5004

Flammable gases

Discharge air

ISO 5039

GY

Yellow (YEO)

Air in ventilation syst. ISO 5079

ISO 5038

BU

Fresh water, sanitary ISO 5009 BU

Fire fightingfire protection Air in ventilation systems

GY

ISO 5003

Main and- additional colours

Steam

Non flammable gases

ISO 5001

ISO 14726

ISO 5059 ISO 5060

Lubricating oil for steam turbines Lubrication oil for gears

ISO 5061

Fire-fighting water

ISO 5067

Fire-fighting gas

ISO 5068

Sprinkler water

ISO 5069

Spray water

ISO 5070

Fire-fighthing powder

ISO 5071

Fire-fighting foam

ISO 5072

Flammable gases

ISO 5091

RD YEO RD

ISO 5062

Lubricating oil for ISO 5063 internal com.engines

ISO 5031

Hydrogen

ISO 5092

Acetylene

ISO 5093

Liquid gas

ISO 5094

Direction of flow

ISO 5099

YEO BU YEO

Decontamination water GN

BU

Sea water, sanitary GN

BN

ISO 5032

Steam

ISO 5101

GN

ISO 5033 SR

GN

BK

SR

YEO GY YEO

Steam for heating purposes

ISO 5102 YEO VT

Ballast water GN

VT

SR

Cooling sea water GN YEO

ISO 5034

GN

WH

ISO 5035

GN

SR YEO

Exhaust steam

ISO 5106

Supply steam

ISO 5107

SR

SR

Main colour

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YEO

Longlife Pipeline Identification Self adhesive tapes laminated Standard length: 50 m 60 mm

Main colour + Additional colour

90 mm

Direction of Flow

50 mm