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Colour Codes

The document outlines a colour code standard for pipes according to IS - 2379, 1990. It lists 28 parameters like water, steam, acids, gases and assigns each a base colour and up to two band colours to identify the substance flowing through the pipe. The colour code provides a standardized way to easily identify different materials in pipes and pipelines.

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96 views1 page

Colour Codes

The document outlines a colour code standard for pipes according to IS - 2379, 1990. It lists 28 parameters like water, steam, acids, gases and assigns each a base colour and up to two band colours to identify the substance flowing through the pipe. The colour code provides a standardized way to easily identify different materials in pipes and pipelines.

Uploaded by

sarangiso
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 Code according to IS - 2379, 1990

Sr. No. Parameter Base Colour 1st Band 2nd Band


1 Water Sea Green None None
2 Steam Aluminium None None
3 Mineral, animal, vegetable oil and Light Brown None None
combustible liquid
4 Acids Dark Violet None None
5 Gases Canary Yellow None None
6 Air Sky Blue None None
7 Alkalis Smoke Grey None None
8 Other Liquid Black None None
9 Hydrocarbon & Organic liquid Dark Admirality Grey None None
10 Compressed air upto 15 Kgs Sky Blue None None
11 Compressed air above 15 Kgs Sky Blue Signal Red None
12 Plant air Silver Grey None None
13 Instrument air French Blue None None
14 Dry Vaccum White None None
15 Wet vaccum White Dark Violet None
16 Ammonia Canary Yellow Dark Violet None
17 Chlorine Canary Yellow Dark Violet Light Orange
18 Sulfurdioxide Canary Yellow Dark Violet Golden brown
19 Argon Canary Yellow French Blue None
20 Butane Canary Yellow Signal Red None
21 Carbon dioxide Canary Yellow Light Grey None
22 Carbon monoxide Canary Yellow Signal Red White
23 Freon Canary Yellow Light Grey Dark Violet
24 Hydrogen Canary Yellow Signal Red French Blue
25 Methane Canary Yellow Signal Red Light Brown
26 Nitrogen Canary Yellow Black None
27 Oxygen Canary Yellow White None
28 Propane Canary Yellow Signal Red Black

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