Ca Fire Fire Fighting Chrome K115 Fire Fusible Alloy Sprinkler Head

• Customization: Available
• Sprinkler Installation: Ordinary
• Sprinkler Head Type: Closed
• Model NO.: ZSTZ 115-74 Y
• Alarm Valve Type: Wet Alarm Valve
• Automatically Opened and Closed Repeatedly: Can′t Automatically Opened and Closed
• Open Fire Sprinkler System Type: Water Spray System
• Closed Fire Sprinkler System: Wet Fire Sprinkler System
• Dry Alarm Valve Type: Differential Type
• Wet Alarm Valve Structure: Seat Type
• Alarm Valve Diameter: DN50-300
• Nozzle Flow Coefficient: 115
• Deluge Valve Type: Diaphragm Type
• Certificate: ISO / CCC
• Temperature - Sensing Element: Fusible Alloy
• Temperature: 74ºC
• Response Time Index (Rti): 80~360(M*S)-0.5
• Thread Type: Bsp / NPT
• Main Material: Brass + Ss + Fusible Alloy
• Color: Sliver
• Transport Package: Carton Packing, 200PCS/Carton
• Specification: DN20( 3/4 inch)
• Trademark: CA fire
• Origin: China
• HS Code: 8424200000
• Production Capacity: 50000

Product Description

Specification

Item	CA Fire Fire fighting chrome K115 Fire Fusible Alloy Sprinkler Head
Normal Working temperature	74℃
Minimum operating temperature	69℃
Maximum applicable ambient temperature	42℃
Minimum applicable temperature	4℃
Loading port	Xiamen
Response Time Index (RTI)	80~360(m.s)-0.5
Main Material	brass body + SS deflector + fusible alloy
Norminal diameter Size	DN20
BSPT size	BSP 3/4 inch (NPT can customize)
Connecting type	Upright, pendent, sidewall
Package	foam box, carton, or pallet depend on the products

Packing & Delivery

A fire sprinkler head is a critical component of automatic fire suppression systems, designed to detect and control fires in their early stages. Unlike fire alarms, which only alert occupants, sprinkler heads actively extinguish or contain fires, minimizing damage to property and lives. Each sprinkler operates independently, activated by heat from a fire exceeding a pre - set temperature (typically 68°C/155°F for standard applications). This triggers a heat - sensitive element, such as a glass bulb filled with liquid or a fusible link, to break or melt, allowing water to flow through the nozzle. The water is dispersed in a specific pattern (e.g., spray, mist, or foam) to maximize coverage and cooling. Sprinkler heads are categorized based on their design and application: pendant (hanging from ceilings), upright (mounted vertically), side - wall (for confined spaces), and concealed (aesthetically hidden). Specialized types include dry sprinklers (for freezing environments), quick - response models (faster activation), and ESFR (Early Suppression Fast Response) sprinklers for high - hazard areas like warehouses. By rapidly controlling fires before they spread, sprinkler systems significantly reduce the risk of fatalities and property loss, making them an indispensable part of modern fire safety infrastructure.

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