Piping Colour Code is 2379

PIPELINE COLOUR CODE INTRODUCTION

Process Process pipeli pipelines nes need need to be painte painted d period periodica ically lly for protec protectio tion n from extern external al corrosion. Different columns of pipelines are indicative of the fluids, Gases which are carried, in respective pipeline. The The grou ground nd colo colour ur iden identi tifi fies es the the basi basicc natu nature re of the the flui fluid d carr carrie ied d and and also also distin distingui guishe shess one fluid fluid from from anothe another. r. Colour Colour bands bands shall shall be superi superimpo mposed sed on ground colour at different locations & to distinguish one fluid from another but  belonging the same group. The colour bands shall be arranged in the sequence shown in table and sequence follows direction of flow Colour codes for General Services as per IS 2379 : 1990

Contents WATER  Cooling Boiler feed water Condensate Drinking Treated Fire water Domestic Hot Soft water Warm Water Chilled water Sprinkler & Hydrant Water  Waste Water AIR  Air Compressed up to 15 kg/cm2 Compressed above 15 kg/cm2 Plant Air

Ground Color

First Color Band

Second Color Band

Sea Green Sea Green Sea Green Sea Green Sea Green Fire Red Sea Green Sea Green Sea Green Sea Green Sea Green

French Blue Gulf Red Light Brown French Blue Light Orange Crimson Red Dark Violet Light Brown Light Grey Black White

---Signal Red --Signal Red Signal red Canary Yellow Canary Yellow Signal Red

Sea Green

Canary Yellow

Sky Blue Sky Blue

White

Sky Blue

Signal red

--

Sky Blue

Silver grey

--

--

Signal Red Black   --

Instrument Dry Vacuum Wet Vacuum Steam OILS Light Diesel Fuel High Speed Diesel Furnace oil Lubricating oil Transformer Oil

Sky Blue

French blue -Dark Violet

-----

Light Brown

Brilliant Green

--

Light Brown

--

--

Light Brown Light Brown Light Brown

French Blue Light Gray Light Orange

----

White White

Aluminum

Colour Codes for Industrial Gases as per IS 2379 : 1990

Contents

Ground Color

Ammonia Canary Yellow Acetylene Canary Yellow Argon Canary Yellow Carbon dioxide Canary Yellow Chlorine Canary Yellow Sulphur dioxide Canary yellow Flare gases Canary yellow Freon Canary Yellow (chlorofluro Derivative of  methane & Ethane) ethylene Canary yellow Ethylene oxide Canary yellow Methane Canary yellow Helium Canary Yellow Hydrogen Canary Yellow Hydrocyanic Canary yellow acid Hydrogen Canary Yellow sulphide Nitrogen Canary Yellow Oxygen Canary Yellow phenole Canary Yellow Phosgene Canary yellow

First Color Band

Second Color Band

Dark violet Service Brown French Blue Light grey Dark violet Dark violet Light Gery

----Light orange Golder brown Dark Violet

Dark violet Dark violet Signal red Light Brown Signal Red Dark violet

Signal red Brilliant green Light brown -French blue Post office red

Gulf red

--

Black White Dark violet black

--Golden brown White

Propane

Canary yellow

Signal red

Black  

Hydrocarbons, other chemicals & allied products

Acetone Benzene Methanol  

Naptha

Dark Admiralty Black gray Dark admiralty Canary yellow grey Dark Admiralty Deep buff gray Dark Admiralty Light brown gray

Canary Yellow

-Black  

ACIDS & OTHER CHEMICALS

Hydrofluoric acid Phosphoric acid sulfuric Nitric Hydrochloric acid Acetic acid Caustic Solution Mercury Carbon disulfide Sodium sulfide Lime

Dark violet

Signal Red

French blue

Dark violet Dark violet Dark violet Dark violet

Signal grey Brilliant green French blue Signal Red

Light orange Light orange Light Orange

Dark violet Smoke gray Black Black Black Smoke Grey

Silver grey Light orange white Light orange Brilliant green White

--Brilliant green Canary yellow Canary Yellow