Brass Fire Sprinkler Head For Water Sprinkler System 1/2 Inch Or 3/4 Inch Sprinkler
(1). Type: Upright Sprinkler, Pendant Sprinkler, Sidewall Sprinkler, Concealed Sprinkler
(2). Nominal Diameter: 15mm, 20mm
(3). Thread Size: 1/2 inch, 3/4 inch
(4). K Factor: 80, 115
(5). Glass Bulb: 5mm, 3mm
(6). Material: Brass, Zinc
(7). Finish: chrome plated
(8.) Temperature: 57℃, 68°C, 79°C, 93°C, 141°C
(9). Glass Bulb Color: Orange, Red, Yellow, Green, Blue
1. Sprinkler Introduction:
The sprinkler is an important part of the wet-type auto spraying system. It is usually installed inside the building and structures with light fire danger, medium fire danger and heavy fire danger, such as a workshop, warehouse, hotel, shop, recreational place, hospital, cinema, office building, and garage.
The sprinkler is composed of sprinkler frame, sealant and glass bulb. It is to be installed in the protective district via ductwork, acting as a fire detector and auto sprayer. In case of fire inside the protective district, the atmosphere temperature rises up and the liquid inside the glass bulb expands after being heated and explodes after reaching the operating temperature of the glass ball. The sealant drops and the sprinkler sprays to the protective district for fire extinguishments subject to the preset shape of spraying.
2. Installation, Usage, and Maintenance:
During installation, should pay attention not to damage the bulb to avoid affect the thermal performance. In the
process of wrench and twist, do not use the spanner to wrench the supporting arm to deformation and affect the
sealing performance (note: the bulb temperature can be chosen according to the needs of users)
Pendant Sprinklers: Used Mainly, Where water pipeline, used for sprinklers installation is concealed. The sprinkler is mounted in discharging spray hemispherically.
Upright Sprinkles: Used mainly where the water pipeline is exposed. Mounded only in Upright position discharging spray hemispherically.
3. Product Feature:
It can not only detect the fire but also extinguish the fire by spraying water.
4. Application:
It is usually installed in areas with fire danger, including warehouses, shopping malls, hotels, hospitals, theaters, office building, high-rise building, garages and etc.
5. Available temperature:
| Temp. Classification | Ordinary | Ordinary | Intermediate | Intermediate |
| Nominal Temp. Rating | 135°F/57°C | 155°F/68°C | 175°F/79°C | 200°F/93°C |
| Max. Ambient Temp. Allowed | 115°F/46°C | 135°F/57°C | 155°F/68°C | 180°F/82°C |
| Max. Recommended Ambient Temp. | 100°F/38°C | 100°F/38°C | 150°F/65°C | 150°F/65°C |
| Glass Bulb Color | Orange | Red | Yellow | Green |
6.The standard USA vs. Metric K-factors for Sprinklers as Follows:
Nominal
K-factor
[gpm/(psi) 1/2] | 5.6 | 8 | 14 | 16.8 | 19.6 | 22.4 | 25.3 |
Metric
K-factor
[lpm/(bar) 1/2] | 80 | 115 | 200 | 240 | 280 | 325 | 365 |
Fire Sprinkler is an important part of wet-type auto spraying system. It is usually installed inside the building and structures with light fire danger, medium fire danger and heavy fire danger, such as workshop, warehouse, hotel, shop, recreational place, hospital, cinema, office building and garage. The sprinkler is composed of sprinkler frame, sealant and glass bulb. It is to be installed in the protective district via ductwork, acting as a fire detector and auto sprayer. In case of fire inside the protective district, the atmosphere temperature rises up and the liquid inside the glass bulb expands after being heated and explodes after reaching the operating temperature of the glass ball. The sealant drops and the sprinkler sprays to the protective district for fire extinguishments subject to the preset shape of spraying.
