K=80/115 Concealed Fire Sprinkler – Safety Meets Minimalism
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K=80/115 Concealed Fire Sprinkler – Safety Meets Minimalism
The K=80/115 Concealed Fire Sprinkler is a high-performance fire protection device designed for spaces where both safety and aesthetic appeal are critical. With dual flow coefficients (K=80 and K=115), it adapts to different water supply conditions and fire risk levels, providing flexible fire suppression solutions. Its concealed installation design—featuring a decorative cover that blends with ceilings—eliminates visual disruption, making it ideal for environments where interior design integrity is a priority, such as high-end commercial buildings, luxury residences, and public venues.
Description
Ca-Fire Protection Co.,Ltd is one of the most credible manufacturers and suppliers of k=80/115 concealed fire sprinkler – safety meets minimalism in China. Welcome to wholesale custom made fire equipment products at competitive price from our factory. Contact us for more cheap products.
Products Description
CA-FIRE K=80/115 Concealed Fire Sprinkler
The K=80/115 Concealed Fire Sprinkler integrates advanced fire suppression technology with a low-profile, space-saving structure. Key specifications include:
Flow Coefficient (K-Value): Dual options (K=80: 80 US gpm/(psi)¹ᐟ²; K=115: 115 L/min/(bar)¹ᐟ²) to match varying water pressure and flow requirements, ensuring optimal water distribution for fire control.
Concealed Structure: Consists of a fire-resistant decorative cover (usually made of heat-sensitive plastic or metal), a concealed valve body, and a quick-response thermosensitive element (glass bulb or fusible link). The cover remains closed under normal conditions, hiding the sprinkler body within the ceiling.
Material & Durability: Valve body crafted from corrosion-resistant brass or stainless steel; splash plate with anti-rust coating, suitable for long-term use in humid or temperature-fluctuating environments (operating temperature range: -10°C to 60°C).
Installation Type: Ceiling-embedded installation, requiring minimal ceiling space (installation depth ≤ 150mm) and compatible with most standard ceiling systems (gypsum board, aluminum ,etc.).
Response Speed: Equipped with a quick-response glass bulb (response time index ≤ 50 m¹ᐟ²s¹ᐟ²) that activates rapidly at high temperatures (standard activation temperatures: 68°C, 79°C, or 93°C, customizable by request).
Applications & Working Principle
The sprinkler is widely used in environments where safety and aesthetics must coexist, including:
Commercial Spaces: Shopping malls, hotels, restaurants, and retail stores (avoids disrupting storefront or interior decor).
Office Buildings & Luxury Residences: High-end offices, serviced apartments, and villas (blends with modern ceiling designs).
Public & Special Venues: Museums, art galleries, hospitals (low-profile design avoids interfering with exhibits or medical equipment), and theaters (minimizes visual impact on stage areas).
Industrial Auxiliary Areas: Control rooms, staff rest areas in factories (balances fire safety with workspace comfort).
Working Principle
Normal State: The sprinkler's decorative cover covers the valve body and splash plate, keeping it concealed within the ceiling. The thermosensitive glass bulb (filled with heat-expanding liquid) seals the water inlet of the valve body, preventing water flow.
Fire Activation: When a fire occurs, ambient temperature rises to the glass bulb's activation temperature. The liquid inside expands, breaking the bulb.
Water Release: With the bulb broken, the valve body's seal is removed. Water from the fire pipeline rushes out, pushing off the decorative cover and hitting the splash plate.
Fire Suppression: The splash plate disperses water into a uniform, large-area spray (coverage radius: 1.5–3m, depending on K-value and water pressure), targeting the fire source to cool temperatures and suppress flames.
How to Choose a K=80/115 Concealed Fire Sprinkler
Q1: What is the difference between K=80 and K=115?
A1: The K-value represents the sprinkler's water flow rate. K=80 delivers ~80 US gpm at 10 psi (or ~300 L/min at 0.7 bar), suitable for small-to-medium spaces (e.g., 10–20㎡ rooms). K=115 delivers ~115 US gpm at 10 psi (or ~435 L/min at 0.7 bar), ideal for larger areas (e.g., 20–30㎡ spaces) or high-fire-risk zones requiring more water.
Q2: Can the sprinkler be reinstalled in a different ceiling location after initial installation?
A2: Reinstallation requires re-evaluating the pipeline pressure, water flow, and coverage area. It must be done by a certified installer to ensure compliance with fire codes-do not relocate it independently.
Q3: How often should the thermosensitive glass bulb be replaced?
A3: Under normal use, replace it every 5 years (or as specified in the product manual). If the bulb shows discoloration, leakage, or cracks, replace it immediately.
Q4: Is the sprinkler suitable for high-temperature environments (e.g., kitchens near stoves)?
A4: Choose the appropriate activation temperature (e.g., 93°C for kitchens) to avoid false activation. However, do not install it directly above heat sources (e.g., within 1m of a stove) - consult the supplier for a heat-shield accessory if needed.
Q5: Will the decorative cover affect the sprinkler's activation speed?
A5: No. The cover is designed to detach automatically when the glass bulb breaks (triggered by water pressure), and its material (heat-sensitive plastic) will not delay the bulb's activation.
FAQ
Q1: What is the difference between K=80 and K=115?
A1: The K-value represents the sprinkler's water flow rate. K=80 delivers ~80 US gpm at 10 psi (or ~300 L/min at 0.7 bar), suitable for small-to-medium spaces (e.g., 10–20㎡ rooms). K=115 delivers ~115 US gpm at 10 psi (or ~435 L/min at 0.7 bar), ideal for larger areas (e.g., 20–30㎡ spaces) or high-fire-risk zones requiring more water.
Q2: Can the sprinkler be reinstalled in a different ceiling location after initial installation?
A2: Reinstallation requires re-evaluating the pipeline pressure, water flow, and coverage area. It must be done by a certified installer to ensure compliance with fire codes-do not relocate it independently.
Q3: How often should the thermosensitive glass bulb be replaced?
A3: Under normal use, replace it every 5 years (or as specified in the product manual). If the bulb shows discoloration, leakage, or cracks, replace it immediately.
Q4: Is the sprinkler suitable for high-temperature environments (e.g., kitchens near stoves)?
A4: Choose the appropriate activation temperature (e.g., 93°C for kitchens) to avoid false activation. However, do not install it directly above heat sources (e.g., within 1m of a stove) - consult the supplier for a heat-shield accessory if needed.
Q5: Will the decorative cover affect the sprinkler's activation speed?
A5: No. The cover is designed to detach automatically when the glass bulb breaks (triggered by water pressure), and its material (heat-sensitive plastic) will not delay the bulb's activation.
Our address
NO.8, YUANFENG ROAD, MEIYUAN VILLAGE, KANGMEI TOWN, NANAN CITY, QUANZHOU CITY, FUJIAN CHINA
+86 18160950625
miki@ca-fire.com
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