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Colour

The document outlines color coding standards for pipes according to IS 2379:1990 for general services. Pipes are coded with a ground color and one or two additional color bands to indicate the substance inside. Water pipes use sea green as the ground color. Air pipes use sky blue as the ground color. Oil pipes use light brown as the ground color. Gas pipes use canary yellow as the ground color. The color bands further specify the type of substance, such as French blue for drinking water or black and canary yellow for chilled water.

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Trishul Nath Pallay
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134 views1 page

Colour

The document outlines color coding standards for pipes according to IS 2379:1990 for general services. Pipes are coded with a ground color and one or two additional color bands to indicate the substance inside. Water pipes use sea green as the ground color. Air pipes use sky blue as the ground color. Oil pipes use light brown as the ground color. Gas pipes use canary yellow as the ground color. The color bands further specify the type of substance, such as French blue for drinking water or black and canary yellow for chilled water.

Uploaded by

Trishul Nath Pallay
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLS, PDF, TXT or read online on Scribd
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Colour codes for General Services as per IS 2379:1990

Sr no Content Ground colour First colour band Second Colour Band


Water
Cooling Sea Green French Blue
Boiler feed water Sea Green Gulf Red
Condensate Sea Green Light Brown
Drinking Sea Green French Blue Signal Red
Treated Sea Green Light Brown
Fire water Fire Red Crimson Red
Domestic hot Sea Green Dark violet Signal Red
Soft water Sea Green Light Brown Signal Red
Warm water Sea Green Light Gray Canary Yellow
Chilled water Sea Green Black Canary Yellow
Sprinkler &Hydrant water Sea Green White Signal Red
Waste water Sea Green Canary Yellow Signal Red
Air
Compressed upto 15 kg/cm 2 Sky Blue
Compressed above15 kg/cm 2 Sky Blue Signal Red
Plant air Sky Blue Silver Gray
Instrument Sky Blue French Blue
Dry Vacum White
Wet vacum White Dark Violet
Steam Aluminium
Oils
Light Diesel Light Brown Brilliant Green
Fuel
High Speed Diesel Light Brown
Furnace oil Light Brown French Blue
Lubricating oil Light Brown Light Gray
Transformer oil Light Brown Light Orange
Gases
Ammonia Canary Yellow Dark violet
Chlorine Canary Yellow Dark violet Light Orange
Acetylene Canary Yellow Service Brown
Argon Canary Yellow French Blue
Carbon dioxide Canary Yellow Light Gray
Freon Canary Yellow Light Gray Dark violet
Helium Canary Yellow Light Brown
Hydrogen Canary Yellow Signal Red French blue
Nitrogen Canary Yellow Black
Oxygen Canary Yellow White
Acetone Dark admiralty Gray Black Canary Yellow
Methanol Dark admiralty Gray Deep Buff
Hydrofluoric acid Dark violet Signal Red French blue
Hydrochloric acid Dark violet Signal Red Light Orange
Caustic solution Smoke gray Light Orange
Lime Smoke gray White Canary Yellow
Air Sky Blue White Black
Vaccum Sky Blue Black

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