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Identifying Colors of Typical Fluids
Identifying colors of typical materials transported in piping systems
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Identifying colors according ANSI A13.1 of typical materials transported in piping systems are indicated below:
| Material | Color Code |
| Acetic Acid | Yellow |
| Acetone | Yellow |
| Acetylene Gas | Yellow |
| Acid | Yellow |
| Air | Green |
| Alcohol | Yellow |
| Alum | Green |
| Ammonium Nitrate | Yellow |
| Amyl Acetate | Yellow |
| Antidote Gas | Blue |
| Argon | Green |
| Benzol | Yellow |
| Bisulphite Liquor | Yellow |
| Blau Gas | Yellow |
| Bleach Liquor | Yellow |
| Blow-off Water | Yellow |
| Boiler Feed Water | Yellow |
| Brine | Green |
| Burner Gas | Yellow |
| Butane | Yellow |
| Butyl Alcohol | Yellow |
| Calcium Chloride | Blue |
| Carbon Bisulphide | Yellow |
| Carbon Dioxide | Yellow |
| Carbon Monoxide | Yellow |
| Carbonated Water | Green |
| Caustic Soda | Yellow |
| Chlorine | Yellow |
| Chlorine Gas | Yellow |
| Chloroform | Yellow |
| Circulating Water | Green |
| City Gas | Yellow |
| City Water | Green |
| Coal Gas | Yellow |
| Cold Water | Green |
| Compressed Air | Green |
| Condensate | Yellow |
| Cooling Water | Green |
| Cottonseed oil | Yellow |
| Cutting Oil | Green |
| Diesel Oil | Yellow |
| Distilled Water | Green |
| Drain Oil | Yellow |
| Drain Water | Green |
| Drinking Water | Green |
| Dye | Yellow |
| Ethan Dye | Yellow |
| Exhaust Air | Green |
| Exhaust Gas | Yellow |
| Exhaust System | Yellow |
| Filtered Water | Blue |
| Fire Protection Water | Red |
| Flue Gas | Yellow |
| Foamite | Red |
| Formalin | Yellow |
| Freon | Green |
| Fresh Water | Green |
| Fuel Gas | Yellow |
| Fuel oil | Yellow |
| Gas | Yellow |
| Gasoline | Yellow |
| Glycerine | Green |
| Heating Returns | Yellow |
| Heating Steam | Yellow |
| Helium | Green |
| Hot Water | Yellow |
| Hydrochloric Acid | Yellow |
| Hydrogen | Yellow |
| Hydrogen Peroxide | Yellow |
| Hydrogen Sulphide | Yellow |
| Industrial Water | Green |
| Instrument Air | Green |
| Kerosone | Yellow |
| Lacquer | Yellow |
| Lactic Acid | Yellow |
| Linseed Oil | Yellow |
| Lubricating Oil | Yellow |
| Make-up Water | Green |
| Mercury | Yellow |
| Methyl Chloride | Yellow |
| Mixed Acid | Yellow |
| Mixed Gas | Yellow |
| Monoethanolamine | Green |
| Muriatic Acid | Yellow |
| Naphtha | Yellow |
| Natural Gas | Yellow |
| Nitric Acid | Yellow |
| Nitrogen | Green |
| Nitrogen Oxide | Yellow |
| Oil | Yellow |
| Oil, lubricating | Yellow |
| Oil, soluble | Yellow |
| Oxygen | Yellow |
| Paint | Yellow |
| Peanut Oil | Yellow |
| Phenol | Yellow |
| Phenol | Yellow |
| Process Gas | Yellow |
| Producer Gas | Yellow |
| Propane Gas | Yellow |
| Raw Water | Green |
| Refrigerated Water | Green |
| River Water | Green |
| Salt Water | Green |
| Sanitary Sewer | Green |
| Soda Ash | Green |
| Solvent | Yellow |
| Soybean Oil | Yellow |
| Sprinkler Water | Red |
| Steam | Yellow |
| Storm Sewer | Green |
| Sugar Juice | Green |
| Sulhur Chloride | Yellow |
| Sulphur Dioxide | Yellow |
| Sulphuric Acid | Yellow |
| Tar | Yellow |
| Toluene | Yellow |
| Toluol | Yellow |
| Trichlorethylene | Yellow |
| Turpentine | Yellow |
| Vapor | Yellow |
| Varnish | Yellow |
| Vegetable Oil | Yellow |
| Waste Water | Green |
| Water | Green |
| Water Gas | Yellow |
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