Your Professional Fire Sprinkler System Supplier
Founded in 2025, NONFIR is a professional manufacturer dedicated to FM/UL certified fire protection equipment, including automatic fire sprinklers, gate valves, and system components. NONFIR offers FM/UL certified fire protection products, specializing in sprinklers (pendent, upright, sidewall), gate valves, and other certified fire protection equipment, all manufactured for durability, reliability, and high performance.
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FM Approved Quick Response SprinklerFM Approved for reliable fire protection applications.3mm glass bulb for quick thermal response.K5.6 (K80) provides consistent water discharge.Available in Upright, Pendent and Horizontal Sidewall types.Suitable for light hazard commercialread more
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FM Approved SprinklerFM Approved: Upright, Pendent and Sidewall models are FM Approved.Three FM Models: NR3151, NR3251 and NR3351 with individual SINs.K5.6 (K80): Same K-factor across all three configurations.5mm Glass Bulb: 68°C / 155°F standard response.FMread more
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FM Approved K5.6 Horizontal Sidewall Fire Sprinkler• K5.6 sidewall sprinkler with a Ø3 mm quick-response glass bulb (RTI ≤ 50).• Engineered for fast thermal activation and early water discharge.• Half-parabolic horizontal spray pattern for effective sidewall water distribution.• Covers upread more
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FM Approved Quick Response Pendent Fire Sprinkler• K5.6 quick response pendent fire sprinkler for light hazard applications.• Ø3 mm glass bulb with RTI ≤ 50 for rapid thermal activation.• Designed for reliable fire suppression in indoor spaces.• Suitable for hotels, offices, hospitals,read more
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FM Approved Horizontal Sidewall Fire Sprinkler K5.6 | NONFIRThe NONFIR Horizontal Sidewall Fire Sprinkler is designed for reliable fire protection in hotels, apartments, offices, and retrofit projects. Featuring a K5.6 standard response, 5 mm glass bulb, corrosion-resistant copper alloy body, andread more
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NONFIR FM Approved Sprinkler Head K5.6 68°CThe FM Approved Standard Response Sprinkler Head K5.6 68°C is designed for reliable and efficient fire suppression in commercial and industrial fire protection systems. Featuring a heat-sensitive glass bulb, it activates automatically whenread more
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FM Approved Quick Response Upright Sprinkler For Fire Pro...The FM approved quick response upright sprinkler is designed for efficient fire suppression in open-area applications. Installed in an upright position, it delivers a hemispherical downward spray pattern to ensure fast and uniform waterread more
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FM Approved Quick Response Sidewall Sprinkler For Fire Pr...The FM approved quick response sidewall sprinkler is designed for fire protection in areas where ceiling installation is limited. It delivers a horizontal spray pattern to effectively control fire along walls and confined spaces. Featuringread more
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NONFIR FM Approved Quick Response Fire Sprinkler For Comm...The NONFIR FM Approved Quick Response Fire Sprinkler is designed for rapid activation in fire emergencies, providing early and reliable fire suppression. Constructed with a durable brass body and heat-sensitive glass bulb, it ensuresread more
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Standard Response Fire SprinklersNONFIR invites global distributors, system designers, and fire protection professionals to collaborate with us. By partnering with NONFIR, you gain access to FM approved fire sprinklers, valves, and spray systems, along with comprehensiveread more
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Pendent Fire SprinklerFM Approved DN15 Pendent Fire Sprinkler with K5.6 factor ensures precise water distribution for reliable commercial fire protection.FM-Approved DN15 Pendent Fire Sprinkler (K5.6) features precision brass construction and a thermal glassread more
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Upright SprinklersFM Approved DN15 Upright Sprinklers with K5.6 factor provide fast-response, precise water distribution for reliable fire protection in commercial light hazard applications.NONFIR DN15 Upright Fire Sprinklers (K5.6) are constructed fromread more
Why Choose Us
Our Certificate
NONFIR products are FM and GB certified, ensuring reliable, high-quality, and compliant fire protection solutions, backed by multiple patents.
Production Market
NONFIR products are sold across China and exported to the Middle East, Southeast Asia, Russia, South America, and other countries, achieving an annual sales volume of about RMB 301.26 million.
Professional Team
Our professional team confirms all customer requirements before production, ensures sprinklers, valves, and other fire protection products meet strict quality standards during manufacturing, and offers dedicated after-sales support for installation guidance, troubleshooting, and product issues, guaranteeing reliable solutions and full customer satisfaction.
Our Factory
NONFIR operates a modern facility with over 115 employees and a fully automated production line for FM/UL certified fire sprinklers, ensuring precise, high-quality, and reliable fire protection products for industrial, commercial, and high-rise applications worldwide.
Life Safety
The foremost benefit is safeguarding human lives. Fire sprinklers can quickly and effectively control or extinguish afire, significantly reducing the risk of injury or death for occupants. These systems are designed to respond automatically and almost immediately upon detecting a fire, ensuring a swift action that manual firefighting methods cannot match.
Property Protection
Fire sprinklers help minimise property damage by addressing fires in their early stages. This intervention can preserve valuable assets, equipment, and inventory from destruction. By detecting and responding to a fire almost instantly, sprinklers can significantly reduce the intensity and spread of the flames, thereby protecting the structural integrity of the building and its contents.


Reduced Fire Spread
Designed to manage or extinguish fire sat their source, sprinklers prevent flames from spreading to other parts of the building, thereby limiting overall fire damage. By activating promptly in response to heat, fire sprinklers can contain the fire to its point of origin, effectively halting its progress and preventing it from reaching other areas that could increase the severity and scale of destruction.
Insurance Premium Discounts
Many insurance providers offer reduced premiums for businesses equipped with fire sprinkler systems. Installing these systems shows a commitment to safety, often resulting in lower insurance costs. Insurance companies recognise that buildings with fire sprinklers are at a significantly lower risk of extensive fire damage, which translates to fewer claims and lower payouts for them.
Early Warning
Fire sprinklers typically activate at the early stages of a fire, providing an early warning that allows occupants to evacuate safely. This prompt detection is crucial for ensuring overall safety. As soon as a fire starts and heat is detected, the sprinklers engage, not only working to control or extinguish the fire but also signalling to building occupants that immediate action is required.
Product Paramenters
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Parameter |
Details |
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K Factor |
K=5.6 (K80) |
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Thread Size |
1/2"BSPT,1/2"NPT |
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Glass Bulb Diameter |
5mm/3mm |
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Frame Finish |
Chrome Plated, Brass |
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Deflector Finish |
Chrome Plated, Copper |
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Certificate |
FM |
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SIN |
NF3351/NF3331 |
Types of Fire Sprinkler System
Wet Pipe
The most common and reliable sprinkler system, wet systems are constantly filled with water and able to respond immediately to a fire.
Dry Pipe
Dry pipe sprinkler systems are used in environments where cold temperatures might cause water to freeze inside the pipe, damaging the system or preventing it from functioning.
Antifreeze
As an alternative to dry pipes in cold-weather environments, filling the pipes with a premixed antifreeze solution prevents ice from forming inside the lines.
Pre-action
Pre-action systems are normally dry, but release water into the sprinkler pipes when certain conditions are met, preparing for the possibility that the sprinkler system will need to activate.
Deluge
A deluge system requires activation by detection devices independent from the sprinkler heads. Once activated, water flows immediately through open sprinklers or nozzles.
Fire Pumps
Commercial fire sprinkler systems require a dependable water supply with a strong, steady pressure, ready for immediate use at any time during an emergency.
Working Principle Of Fire Sprinkler System
Fire sprinklers are designed to detect and extinguish fires before they have a chance to grow out of control. They work by using a network of water-filled pipes that are connected to a central control panel. When a fire is detected by a smoke detector or heat sensor, the control panel activates the nearest sprinkler heads, which in turn release a spray of water onto the flames. The water serves to cool the fire and prevent it from spreading, allowing occupants to evacuate safely. Fire sprinklers are an effective and reliable means of protection against fire and are widely used in commercial and residential buildings around the world.
Our Proven Installation Process
Tailored System Design
Every property is different. We assess your building’s layout and fire protection needs to create a customized fire sprinkler installation plan that maximizes safety and efficiency.
Professional Installation
Our skilled fire sprinkler installers handle all components, including backflow devices, fire pumps, and water pipes. Each system is built to integrate seamlessly and ensure long-term reliability.
Ongoing Support and Maintenance
After installation, we offer regular fire sprinkler inspections to maintain compliance and ensure your system performs at its best. Our proactive approach keeps your property protected for the long term.
FAQ
As one of the leading fire sprinkler system manufacturers and suppliers in China, we offer a wide range of products with superior quality. Please feel free to buy customized fire sprinkler system made in China here from our factory. For price consultation, contact us.
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FM Approved Quick Response SprinklerFM Approved for reliable fire protection applications.3mm glass bulb for quick thermal response.K5.6 (K80) providesread more
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FM Approved SprinklerFM Approved: Upright, Pendent and Sidewall models are FM Approved.Three FM Models: NR3151, NR3251 and NR3351 withread more
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Explosion-Proof Remote Foam Monitor1. Explosion-proof design for hazardous-area applications.2. Remote electric control for precise positioning.3. 340°read more
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Explosion-Proof Electric Fire Monitor1. Triple control with wireless, wired, and manual operation.2. 24V motorized positioning for smooth and preciseread more
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Manual Foam Monitor• High-capacity manual monitor for industrial fire protection.• Heavy-duty stainless steel construction for demandingread more
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Turbine Fire Monitor• Heavy-duty manual water monitor for industrial fire protection.• Stainless steel 304/316 body with aluminium alloyread more
