K80 Standard Response Fire Sprinkler
The K80 standard response fire sprinkler (ZST series) is a high-reliability automatic fire suppression component engineered for medium-to-large risk areas, featuring three installation configurations: upright (ZSTZ), pendent (ZSTX), and horizontal sidewall (ZSTBS). Designed with a standard response mechanism, it integrates a precision glass bulb heat-sensitive element, delivering rapid activation upon detecting fire-generated heat.
Description
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Products Description
CA-FIRE K80 Standard Response Fire Sprinkler
The K80 standard response fire sprinkler (ZST series) is a high-reliability automatic fire suppression component engineered for medium-to-large risk areas, featuring three installation configurations: upright (ZSTZ), pendent (ZSTX), and horizontal sidewall (ZSTBS). Designed with a standard response mechanism, it integrates a precision glass bulb heat-sensitive element, delivering rapid activation upon detecting fire-generated heat.
Compliant with GB 5135.1-2019 standards, this sprinkler boasts a K-factor of 80 (flow coefficient), supporting efficient water distribution with a nominal diameter of DN15. Key components include a brass frame, 304 stainless steel deflector, and EPDM sealing ring, ensuring durability in diverse environments (temperature range: -15℃~40℃). It is ideal for commercial complexes, industrial workshops, logistics warehouses, and high-rise residential buildings, providing reliable fire suppression for combustible solid materials and ordinary flammable liquids.
Specifications
| Model | Installation Type | K-Factor | Nominal Diameter (DN) | Connection Thread | Frame Material | Deflector Material | Sealing Material | Glass Bulb (Temp./Fluid Color) | Rated Working Pressure (MPa) | Hydrostatic Test Pressure (MPa) | Flow Rate @ 0.1MPa (L/min) | Coverage Area (m²) | Installation Height (m) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ZSTZ15-K80 | Upright | 80 | 15 | 1/2" | Brass | S304 Stainless Steel | EPDM | 68℃/Red, 79℃/Orange, 93℃/Yellow | 0.05~1.2 | 3.0 | 253 | 12~18 | 2.3~6.0 |
| ZSTX15-K80 | Pendent | 80 | 15 | 1/2" | Brass | S304 Stainless Steel | EPDM | 68℃/Red, 79℃/Orange, 93℃/Yellow | 0.05~1.2 | 3.0 | 253 | 12~18 | 2.3~6.0 |
| ZSTBS15-K80 | Horizontal Sidewall | 80 | 15 | 1/2" | Brass | S304 Stainless Steel | EPDM | 68℃/Red, 79℃/Orange, 93℃/Yellow | 0.05~1.2 | 3.0 | 253 | 8~14 | 2.0~4.5 |
Key Features & Advantages
3.1 Premium Component Performance
Brass Frame: Corrosion-resistant with high mechanical strength, chrome-plated surface ensures long-term durability in humid or mild corrosive environments, service life ≥10 years.
S304 Stainless Steel Deflector: Precision-stamped design optimizes water distribution uniformity, resisting rust and deformation even under high-temperature fire conditions.
EPDM Sealing Ring: Excellent elasticity and temperature adaptability (-15℃~80℃), maintaining leakproof performance under 3.0MPa test pressure, no aging or cracking after long-term standby.
Heat-Sensitive Glass Bulb: Filled with stable working fluid, featuring a visible 1.6mm bubble (intact indicator). Standard response time index (RTI) 80~100 (m·s)⁰·5, activating reliably within specified temperature thresholds.
3.2 Standard Response & Efficient Spraying
Standard response mechanism balances activation speed and false-alarm prevention, ideal for scenarios requiring controlled water discharge without excessive water damage.
Optimized deflector geometry delivers a uniform spray pattern with medium droplet size, enhancing fire suppression efficiency by covering large areas (up to 18m² per sprinkler).
3.3 Safety-Centric Design
Red plastic protective clip safeguards the glass bulb during transportation and construction, removable by hand (no metal tools allowed) to avoid damage.
Thread design with PTFE tape compatibility (avoiding first-thread application) prevents blockage of water discharge orifices, ensuring unobstructed flow.
Maintenance Strategy
Monthly Inspection: Clean dust/debris with a feather duster (no hot water, corrosive thinners, or ammonia); check for glass bulb cracks, fluid loss, or seal leakage.
Quarterly Check: Verify deflector integrity and alignment; remove cobwebs or foreign objects around the sprinkler.
Annual Calibration: Entrust qualified agencies to test sample sprinklers (hydrostatic pressure, activation temperature); replace components with abnormal performance.
Storage & Handling: Keep unused sprinklers in original packaging at -15℃~40℃, away from direct sunlight and high-temperature sources; avoid metal contact with glass bulbs.
FAQ
Q1: What is a special response fire sprinkler?
A special response fire sprinkler is designed to activate faster than standard response sprinklers, helping detect and suppress fires at an early stage.
Q2: Can the sprinkler be reused after activation?
No. This is a closed-type sprinkler designed for one-time operation only. Once activated, it must be replaced.
Q3: What temperature ratings are available?
Multiple temperature ratings are available, including 57°C, 68°C, 79°C, 93°C, 141°C, 182°C, and 260°C, with corresponding glass bulb colors.
Q4: What K-factors are offered?
The sprinkler is available with K = 80 and K = 115 to suit different system design requirements.
Q5: What installation methods are supported?
It can be installed in upright, pendent, or horizontal sidewall configurations.
Our address
NO.8, YUANFENG ROAD, MEIYUAN VILLAGE, KANGMEI TOWN, NANAN CITY, QUANZHOU CITY, FUJIAN CHINA
+86 15880910562
sales7@ca-fire.com
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