Quick Response Fire Sprinkler Head Pendent Spray - FM Approved & UL Listed 1/2" NPT 155℉(68℃) K=5.6 (K80/metric) Quick Response for Automatic Fire Sprinkler System (6, Chrome)

Product Description:This automatic pendent fire sprinkler head is designed for effective fire protection in residential, commercial, and light industrial environments. With a 1/2" NPT American thread, a 5.6 K-Factor, and a quick response glass bulb, it ensures reliable activation and water distribution when it matters most.Technical Specifications:Installation Orientation Classification：PendentTemperature Rating: 155℉(68℃)Maximum Operating Temperature: 100℉(38℃)Thermal Response Classification：Quick responseDischarge Coefficient: K=5.6(U.S) /80(Metric)Nominal Orifice Size: NPT 1/2"(15mm)Maximum Working Pressure:175psi(12bar)Min. Operating Pressure: 7psi (0.48bar)Factory Hydrostatic Test: 100%@ 500psi (34.5bar)

• 🔥 Quick Response Activation – 3mm frangible glass bulb activates at 155℉ (68℃) for dependable fire suppression.
• 🔧 1/2" NPT Thread Connection – Compatible with American standard piping systems for easy installation.
• ✅ Certified Safety – FM Approved (3053441) and UL / CUL Listed (EX6430) for compliance and peace of mind.
• 💦 High Performance – Max working pressure of 175 psi (1.2 MPa); factory hydrostatic tested at 500 psi (3.4 MPa).
• 🛠 Durable Design – Precision-built for long-term reliability in automatic fire sprinkler systems.