Facility Pipe Marking in commercial, public, school & retail buildings
Pipe Markers | Pipe Marker Applications | Facility Pipe Marking
Labeling pipes in a commercial building, school or retail facility offers additional pipe marking challenges. In addition to meeting the requirements of ANSI A13.1 there is a need to provide more specific identification of pipe contents. To address this need a standard has been developed that provides an addition color band. The chart below shows the color coding used.
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| Suggested Standards for Marking Pipes and Valves | |||||
| ABBR. | COLOUR CODE | PIPE LABEL | VALVE TAG | BAND COLOR | BACKGROUND AND LETTERING COLORS |
| CHWR | Chilled Water | CHWR | (BLDG.)-CHV-## | BLUE | GREEN BACKGROUND, WHITE LETTERING |
| CHWS | Chilled Water Supply | CHWS | (BLDG.)-CHV-## | BLUE | GREEN BACKGROUND, WHITE LETTERING |
| CWR | Condenser Water Return | CWR | (BLDG.)-CWV-## | GREEN | GREEN BACKGROUND, WHITE LETTERING |
| CWS | Condenser Water Supply | CWS | (BLDG.)-CWV-## | GREEN | GREEN BACKGROUND, WHITE LETTERING |
| CWGLR | Chilled Water Glycol Return | CWGLR | (BLDG.)-CGLV-## | GOLD | GREEN BACKGROUND, WHITE LETTERING |
| CWGLS | Chilled Water Glycol Supply | CWGLS | (BLDG.)-CGLV-## | GOLD | GREEN BACKGROUND, WHITE LETTERING |
| HWGLR | Hot Water Glycol Return | HWGLR | (BLDG.)-HGLV-## | GOLD | GREEN BACKGROUND, WHITE LETTERING |
| HWGLS | Hot Water Glycol Supply | HWGLS | (BLDG.)-HGLV-## | GOLD | GREEN BACKGROUND, WHITE LETTERING |
| CTYW | City Water | CITY WATER | (BLDG.)-CTWV-## | LIGHT BLUE | GREEN BACKGROUND, WHITE LETTERING |
| DCWR | Domestic Cold Water Return | DCWR | (BLDG.)-DCV-## | LIGHT BLUE | GREEN BACKGROUND, WHITE LETTERING |
| DCWS | Domestic Cold Water Supply | DCWS | (BLDG.)-DCV-## | LIGHT BLUE | GREEN BACKGROUND, WHITE LETTERING |
| DHWR | Domestic Hot Water Return | DHWR | (BLDG.)-DHV-## | LIGHT BLUE | GREEN BACKGROUND, WHITE LETTERING |
| DHWS | Domestic Hot Water Supply | DHWS | (BLDG.)-DHV-## | LIGHT BLUE | GREEN BACKGROUND, WHITE LETTERING |
| DRAIN | Drains* | DRAIN | (BLDG.)-DRAIN-## | BROWN | REFER TO ANSI STANDARDS BELOW |
| DTR | Dual Temp Return | DTR | (BLDG.)-DTV-## | BLACK | GREEN BACKGROUND, WHITE LETTERING |
| DTS | Dual Temp Supply | DTS | (BLDG.)-DTV-## | BLACK | GREEN BACKGROUND, WHITE LETTERING |
| FO | Fuel Oil | FO | (BLDG.)-FOV-## | WHITE | YELLOW BACKGROUND, BLACK LETTERING |
| HPR | Heat Pump Return | HPR | (BLDG.)-HPV-## | TEAL | GREEN BACKGROUND, WHITE LETTERING |
| HPS | Heat Pump Supply | HPS | (BLDG.)-HPV-## | TEAL | GREEN BACKGROUND, WHITE LETTERING |
| LTHWR | Low-Temp Hot Water Return | LTHWR | (BLDG.)-HWV-## | YELLOW | GREEN BACKGROUND, WHITE LETTERING |
| LTHWS | Low-Temp Hot Water Supply | LTHWS | (BLDG.)-HWV-## | YELLOW | GREEN BACKGROUND, WHITE LETTERING |
| MTHWR | Medium-Temp Hot Water Return | MTHWR | (BLDG.)-MTV-## | ORANGE | GREEN BACKGROUND, WHITE LETTERING |
| MTHWS | Medium-Temp Hot Water Supply | MTHWS | (BLDG.)-MTV-## | ORANGE | GREEN BACKGROUND, WHITE LETTERING |
| HTHWR | High-Temp Hot Water Return | HTHWR | (BLDG.)-HTV-## | RED | GREEN BACKGROUND, WHITE LETTERING |
| HTHWS | High-Temp Hot Water Supply | HTHWS | (BLDG.)-HTV-## | RED | GREEN BACKGROUND, WHITE LETTERING |
| STM | Steam | STEAM | (BLDG.)-STV-## | PINK | YELLOW BACKGROUND, BLACK LETTERING |
| COND | Condensate | COND | (BLDG.)-CNDV-## | PINK | YELLOW BACKGROUND, BLACK LETTERING |
| NG | Natural Gas | GAS | (BLDG.)-GASV-## | GRAY | YELLOW BACKGROUND, BLACK LETTERING |
| CA | Compressed Air | COMP AIR | (BLDG.)-CAV-## | PURPLE | BLUE BACKGROUND, WHITE LETTERING |
| VAC | Vacuum | VACUUM | (BLDG.)-VACV-## | PURPLE | BLUE BACKGROUND, WHITE LETTERING |
| ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes | |||||
| MATERIAL | PROPERTIES | BACKGROUND AND LETTERING COLORS | |||
| FLAMMABLE | Fluids which are a vapor or produce vapors that can ignite and continue to burn in air | YELLOW BACKGROUND, BLACK LETTERING | |||
| COMBUSTIBLE | Fluids that may burn but are not flammable | BROWN BACKGROUND, WHITE LETTERING | |||
| TOXIC & CORROSIVE | Fluids which are corrosive or toxic or will produce corrosive or toxic substances | ORANGE BACKGROUND, BLACK LETTERING | |||
| FIRE QUENCHING | Water and other substances used in sprinkler fire-fighting piping systems | RED BACKGROUND, WHITE LETTERING | |||
| OTHER WATER | Any other water, except for water used in sprinkler and fire-fighting piping systems | GREEN BACKGROUND, WHITE LETTERING | |||
| COMPRESSED AIR | Any vapor or gas under pressure that does not fit a category above | BLUE BACKGROUND, WHITE LETTERING | |||
| DEFINED BY USER | Defined by user | BLACK BACKGROUND, WHITE LETTERING | |||
| DEFINED BY USER | Defined by user | WHITE BACKGROUND, BLACK LETTERING | |||
| DEFINED BY USER | Defined by user | PURPLE BACKGROUND, WHITE LETTERING | |||
| DEFINED BY USER | Defined by user | GRAY BACKGROUND, WHITE LETTERING | |||
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