The NONFIR standard response fire sprinkler with K5.6 (K=80) discharge coefficient is designed for reliable fire protection in commercial and industrial sprinkler systems. Equipped with a 5 mm glass bulb, it provides stable and predictable thermal response under standard response requirements.
Available in upright, pendent, and sidewall configurations, this sprinkler offers flexible installation options to suit different system layouts and architectural conditions. The optimized orifice design ensures consistent water distribution and effective fire control performance.
Manufactured with durable materials and precise components, NONFIR standard response sprinklers are suitable for use in wet, dry, and preaction systems where dependable operation and FM approved performance are required.
| K Factor | K=5.6(K80) |
|---|---|
| Thread Size | R21/2"·1/2"NPT |
| Glass Bulb Diameter | 5mm |
| Frame Finish | Chrome Plated, Brass |
| Deflector Finish | Chrome Plated, Copper |
| Certificate | FM |
Product Advantages
01
FM Approved Performance
Certified by FM Approvals to ensure reliable operation, consistent discharge, and compliance with industrial fire protection requirements.
02
Stable Standard Response Design
The 5 mm glass bulb provides predictable thermal response, suitable for a wide range of commercial and industrial applications.
03
Flexible Installation Options
Available in upright, pendent, and sidewall configurations to accommodate different piping layouts and installation environments.
Installation & Maintenance
Proper installation and regular maintenance are essential to ensure reliable sprinkler performance and long-term system safety.
Correct Orientation and Installation Method
Install the sprinkler in the specified upright, pendent, or sidewall position using the appropriate installation wrench to ensure correct alignment and spray coverage.
Protection During Installation
Avoid mechanical impact, over-tightening, or contamination of the glass bulb and deflector. Protective caps should be removed only after system installation is complete.
Routine Inspection and Replacement
Perform regular visual inspections for corrosion, damage, or obstruction. Any sprinkler showing signs of leakage or physical damage should be replaced promptly.
At NONFIR, we welcome partnerships with distributors, system designers, and fire protection professionals worldwide. Collaborate with us to access FM approved fire sprinklers, valves, and water spray solutions, benefit from technical support, and deliver reliable fire protection systems to your projects.
Our address
No.8, Yuanfeng Road, Meiyuan Village, Kangmei Town, Nan'An City, Quanzhou City, Fujian Province, China
Phone Number
+86 18160950625
info@nfsprinkler.com
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