HD standard response upright type fire sprinkler head is a small thermosensitive, glass-bulb spray sprinkler with different finishes and temperature ratings to meet design requirements. It can be widely used in light or ordinary hazard such as shopping mall, hotel, bank, hospital etc..
What type of fire sprinkler head | Upright/Pendent/Sidewall/Concealed |
Thread size | 1/2'' NPT 3/4 NPT DN15 DN20 |
Glass bulb size | 5mm (standard response) 3mm(quick response) |
Bulb liquid color | Orange, red, yellow, green, blue, mauve |
Temperature rating | 57℃, 68℃, 79℃, 93℃, 141℃, 182℃ |
Working pressure | 0.2-1.2Mpa |
Discharge Coefficient | K=80 K=115 |
Frame material | Brass,Zinc |
Finishes | Chrome plated, natrual brass, polyester coated |
Net weight | 45g-60g(1/2''NPT) |
Applications | Commercial occupancies such as shopping mall, hotel, hospital etc. |
Testing | 100% detection under 3.2Mpa seal test pressure |
Operation | During fire conditions, the heat-sensitive liquid in the glass bulb expands, causing the glass to shatter and allowing the sprinkler to activate and water to flow? |