Key Features of Automatic Fire Sprinkler Heads (ZSTZ20-68 DN20-3mm)

Premium Rapid Response Mechanism
Equipped with a high-sensitivity thermal element (68°C rated) for ultra-fast activation, minimizing fire damage with immediate upward spray coverage.
Precision Engineering & Durability
Constructed from corrosion-resistant brass with a 3mm orifice and DN20 threading, ensuring leak-proof performance and long-term reliability in harsh environments.
Wide Commercial & Industrial Use
Ideal for warehouses, manufacturing plants, hotels, and high-rise buildings—meets global safety standards (EN, UL, or equivalent) for effortless compliance.
Cost-Efficient Bulk Solution
Direct factory pricing with no middlemen—lowest wholesale rates for large-scale projects, backed by bulk discounts and fast global shipping.
Easy Installation & Low Maintenance
Standard DN20 threading simplifies retrofitting into existing systems; epoxy-coated finish reduces wear and maintenance costs.