Extended Coverage Fire Sprinkler For Large Area Protection
Extended Coverage Fire Sprinkler For Large Area Protection suppliers
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Extended Coverage Fire Sprinkler For Large Area Protection
Extended Coverage Fire Sprinklers are designed to provide wider protection coverage with fewer sprinkler heads. Featuring reliable thermal response and flexible installation options, they are suitable for commercial buildings, offices, hotels, and other light or ordinary hazard applications. The optimized design helps reduce installation costs while maintaining effective fire protection performance.
Description
Ca-Fire Protection Co.,Ltd is one of the most credible manufacturers and suppliers of extended coverage fire sprinkler for large area protection in China. Welcome to wholesale custom made fire equipment products at competitive price from our factory. Contact us for more cheap products.
Products Description
Extended Coverage Fire Sprinkler
A sprinkler engineered for a materially larger protection footprint than a conventional head - fitted with German-imported glass bulbs, built to cut installation density without cutting coverage.
FLOW COEFFICIENT K = 80
FLOW COEFFICIENT K = 115
36m²
Max. coverage / head
4°C
Min. ambient temp
50·
RTI ≤ (m·s)^0.5
Product Overview
Fitted with German-imported glass bulbs, the extended coverage sprinkler is built with a substantially larger protection radius than a conventional sprinkler head. A single head delivers an effective maximum protection area of 36 m² - well beyond the 20 m² typical of a standard sprinkler.
The larger footprint means fewer heads are needed to cover the same floor plate. With sound layout planning, this reduces installation density and lowers overall project cost, while still meeting protection requirements.
Suited to light- and ordinary-hazard occupancies - the kind of spaces where coverage needs to be dependable but installation should stay lean.
| Application | Hazard Classification |
|---|---|
| Shopping Malls | Light / Ordinary Hazard |
| Hotels | Light / Ordinary Hazard |
| Restaurants | Light / Ordinary Hazard |
| Office Buildings | Light / Ordinary Hazard |
| Hospitals | Light / Ordinary Hazard |
| Museums | Light / Ordinary Hazard |
Technical Parameters
| Flow Coefficient | Nom. Operating Temp. | Max. Ambient Temp. | Bulb Colour | Connection Thread | Sensing Element | Min. Ambient Temp. | RTI | Installation |
|---|---|---|---|---|---|---|---|---|
|
K=80 K=115 |
57°C | 27°C | Orange |
R½ (K=80) R¾ (K=115) |
Glass Bulb (3 mm) | 4°C | ≤50 (m·s)0.5 | Upright / Pendent / Horizontal Sidewall |
| 68°C | 38°C | Red | ||||||
| 79°C | 49°C | Yellow | ||||||
| 93°C | 63°C | Green | ||||||
| 141°C | 111°C | Blue |
Installation Orientations
Upright
Pendent
Horizontal Sidewall
Key Advantages
Wider Coverage, Fewer Sprinklers
With up to 36 m² coverage per sprinkler, extended coverage sprinklers can protect larger areas with fewer sprinkler heads compared with standard designs.
Cost-Effective Installation
Fewer sprinkler heads reduce piping requirements, branch fittings, and installation labor, helping lower overall project costs.
Reliable Performance & Flexible Installation
Equipped with German-imported 3 mm glass bulbs for consistent thermal response, the sprinkler supports upright, pendent, and horizontal sidewall installation to meet different layout requirements.
How It Responds
STANDBY
Bulb Intact
The liquid-filled glass bulb holds the deflector cap in place, sealing the outlet under normal conditions.
HEAT RISE
Liquid Expands
Rising room temperature heats the liquid inside the bulb, building internal pressure as it approaches its rated point.
RATED TEMP.
Bulb Shatters
At the nominal operating temperature the bulb fractures, releasing the cap and opening the waterway.
DISCHARGE
Deflector Sprays
Water strikes the deflector and breaks into a patterned spray across the full rated coverage area.
Standards & Testing
DESIGNManufactured to national automatic sprinkler standards (GB 5135.1) for glass-bulb pattern heads.
THERMALEvery bulb batch is response-tested against its rated nominal operating temperature.
PRESSUREHydrostatic pressure testing performed on 100% of finished heads before packing.
MATERIALSFrame and deflector in corrosion-resistant metal, finished for long-term indoor service.
BEFORE SPECIFYING
Coverage areas, K-factors, and RTI figures are laboratory values under standard test conditions. Confirm the final head selection against your project's hazard classification and local code with a qualified fire protection engineer.
Our address
NO.8, YUANFENG ROAD, MEIYUAN VILLAGE, KANGMEI TOWN, NANAN CITY, QUANZHOU CITY, FUJIAN CHINA
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