What does the color of a glass bulb in a glass bulb sprinkler indicate?
Table of Contents
What does the color of a glass bulb in a glass bulb sprinkler indicate?
operating temperature
The operating temperature of glass bulb sprinklers is indicated by the color of the fluid encased within the bulb. Color on the frames of glass bulb sprinklers is purely for aesthetic purposes and is not an indication of the sprinklers operating temperature.
What is the Colour of sprinkler bulb?
Operation
| Maximum Ceiling Temperature | Temperature Rating | Liquid Alcohol in Glass Bulb Color |
|---|---|---|
| 150 °F / 66 °C | 175-225 °F / 79-107 °C | Yellow (175 °F / 79 °C) or Green (200 °F / 93 °C) |
| 225 °F / 107 °C | 250-300 °F / 121-149 °C | Blue |
| 300 °F / 149 °C | 325-375 °F / 163-191 °C | Purple |
| 375 °F / 191 °C | 400-475 °F / 204-246 °C | Black |
What do different color sprinkler heads mean?
The liquid in the sprinkler head comes in a variety of colors, which indicates the temperature required to activate the head: Orange – 135° F. Red – 155° F. Yellow – 174° F. Green – 200° F.
What color is sprinkler water?
The Basics of Sprinkler Thermal Characteristics
| Max Ceiling Temperature oF (oC) | Temperature Rating oF (oC) | Color Code |
|---|---|---|
| 100 (38) | 135-170 (57-77) | Uncolored or Black |
| 150 (66) | 175-225 (79-107) | White |
| 225 (107) | 250-300 (121-149) | Blue |
| 300 (149) | 325-375 (163-191) | Red |
What is the glass bulb color of ultra high sprinkler?
1 (US National Fire Code); however, manufacturers may have sprinklers with different temperature ratings….Sprinkler Response Temperatures.
| CLASSIFICATION | Ultra High |
|---|---|
| MAXIMUM CEILING TEMPERATURE | 625°F |
| SPRINKLER ACTIVATION TEMPERATURE | 650°F |
| GLASS BULB COLOR | Black |
| FUSIBLE LINK COLOR | Orange |
Does sprinkler pipe have to be red?
11. All FDCs, wall PIVs, and exterior/exposed sprinkler riser valves shall be painted OSHA safety red. 12. Other fire sprinkler or supply pipe exposed to the sky or susceptible to wet conditions shall be painted (any color) or otherwise coated to inhibit corrosion.
How many different colors of sprinklers are there?
Back to modern sprinkler systems: there are eight different colour codes and eight varieties of sprinkler taps.
Are sprinkler heads color coded?
They are color coded and each color represents the temperature at which it will explode, releasing the water flow. When the ceiling temperature reaches a specific level, the liquid inside will expand, causing the glass to break.
Do sprinkler pipes have to be red?
Notwithstanding any other provision of law, all exposed risers and cross connections of completed buildings in existence on March 2, 2010 shall be painted red by June 2, 2010, and all handles of valves serving such sprinkler system shall be painted green.
What do pipe colors mean?
The National Colour Coding System for underground utilities are: Red – Electric power lines, conduit and cables. Orange – Telecommunication, alarm or signal lines. Yellow – Gas, oil, steam, petroleum, or other flammable material. Green – Sewage and drain lines.
Why is fire sprinkler pipe orange?
With over a decade of experience performing failure analysis investigations on orange plastic (CPVC) fire sprinkler piping systems. We have found that most failures are caused by exposure to incompatible chemicals, on the inside (e.g., Allied ABF) and outside (e.g., fire caulk, spray foam, etc.).
How many types of sprinkler bulbs are there?
All fire sprinklers are one of four types: pendent, upright, sidewall, or concealed.