Reliable Fire Sprinkler Systems & Components for Global Contractors and Distributors
As a direct manufacturer, we partner with fire protection contractors, system integrators, and major project buyers to supply FM-approved and UL-listed fire sprinklers and valves tailored to strict commercial and industrial specifications.
Our product range includes automatic fire sprinklers and fire protection valves, with product configurations covering different installation orientations, response characteristics, connection requirements and project specifications.
For project purchasing, the product model is only one part of the decision. Applicable standards, approval requirements, hydraulic conditions, installation environment, quantity and documentation also need to be confirmed before an order is placed.
-
FM Approved Quick Response Pendent Fire SprinklerFM Approved Quick Response Pendent Fire Sprinkler is designed for rapid thermal activation in light hazard fire protection systems. Its quick response supports early fire suppression in commercial and institutional occupancies.read more
-
NONFIR FM Approved Sprinkler Head K5.6 68°CFM-approved K5.6 (K80) standard response fire sprinkler heads engineered for commercial and industrial fire protection systems. Built with forged brass bodies and 5 mm frangible glass bulbs.read more
-
FM Approved Quick Response Upright Sprinkler for Fire Pro...An upright fire sprinkler is an automatic fire suppression device installed standing up on exposed piping systems. During a fire, its heat-sensitive element activates, releasing water downward in a wide, hemispherical spray pattern to...read more
-
FM Approved Quick Response Sidewall Sprinkler for Fire Pr...The FM-approved quick-response sidewall sprinkler is a wall-mounted fire-suppression device designed to discharge water horizontally in areas where overhead ceiling piping is obstructed or restricted by HVAC ductwork, structural beams,...read more
-
FM Approved Standard Response Fire Sprinklers for Reliabl...FM Approved Standard Response Fire Sprinklers are thermally activated devices designed for automatic water discharge when the rated temperature is reached. Their standard-response design provides controlled thermal activation for fire...read more
-
Fire Suppression Sprinkler HeadsFire suppression sprinkler heads are automatic water-discharge devices installed in fire protection piping systems. When ambient temperatures exceed designated safety thresholds, the heat-sensitive liquid in the glass bulb expands,...read more
-
Apartment Fire SprinklersThe NONFIR FM Approved DN15 K5.6 fire sprinkler is an automatic heat-activated discharge device. Inside the brass frame, a liquid-filled 3mm or 5mm glass bulb holds the orifice seal in place against the system's water pressure.read more
-
Fast Response Sprinkler HeadsFast-response sprinkler heads are automatic fire suppression discharge devices designed to detect thermal energy from a fire and release water rapidly before flame spread intensifies.read more
-
Fire Protection Sprinkler HeadsThe NONFIR DN15 (K5.6) Fire Protection Sprinkler Head is a thermo-sensitive, automatically discharging nozzle designed to control and extinguish fires during early-stage thermal development.read more
-
Automatic Fire SystemsThe Automatic Fire Systems range comprises heat-activated fire sprinklers designed for commercial and industrial water-based fire protection. It is available in multiple configurations to suit different piping layouts, ceiling...read more
-
Pendant Sprinkler HeadsPendant Sprinkler Heads deliver rapid, controlled fire suppression with K5.6 discharge, 175 psi working pressure, brass construction, and 68°C activation. Available in quick and standard response models for warehouses, industrial...read more
-
Reliable Fire SprinklersAutomatic glass-bulb fire sprinklers (K5.6 / K80) engineered for rapid thermal activation and uniform water distribution. Available in pendent, upright, and sidewall configurations for commercial and industrial applications.read more
↵
Product Parameters
|
Parameter |
Details |
|
K Factor |
K=5.6 (K80) |
|
Thread Size |
1/2"BSPT,1/2"NPT |
|
Glass Bulb Diameter |
5mm/3mm |
|
Frame Finish |
Chrome Plated, Brass |
|
Deflector Finish |
Chrome Plated, Copper |
|
Certificate |
FM Approved & UL Listed |
|
SIN |
NF3351/NF3331 |
Fire Sprinkler Products We Supply
Automatic Fire Sprinklers
Pendent & Upright Fire Sprinklers: Standard configurations for general commercial and industrial spaces.
Sidewall Fire Sprinklers: Ideal for tight spaces, corridors, or room layouts where ceiling installation is restricted.
Quick Response & Standard Response: Designed with 3mm or 5mm glass bulbs to match specific life-safety activation timelines.
Fire Protection Valves
Gate valves (Grooved & Flanged configurations)
Alarm check valves and control valve assemblies
Comprehensive System Components
Flow and pressure monitoring devices
Test and drain assemblies
Fire pumps, pipes, fittings, and installation hardware

Selecting the Right Fire Sprinkler System for Your Project
|
Project Factor |
What Needs to Be Confirmed |
|
Building use |
Office, hotel, retail, warehouse, manufacturing, residential or other occupancy |
|
Hazard classification |
Light, ordinary, high hazard or project-specific classification |
|
Storage conditions |
Storage height, commodity, rack arrangement and storage configuration |
|
Ambient temperature |
Heated, unheated, freezing or temperature-controlled areas |
|
System arrangement |
Wet pipe, dry pipe, preaction, deluge or another configuration |
|
Sprinkler position |
Pendent, upright, sidewall or other installation arrangement |
|
Discharge characteristics |
K-factor and required water distribution |
|
Connection |
Thread type, nominal size and connection standard |
|
Temperature rating |
Required temperature rating for the installation |
|
Approval requirement |
FM, UL, EN or another project-specific requirement |
|
Water supply |
Available flow, pressure and hydraulic design conditions |
|
Quantity |
Project quantity, replacement demand or recurring distribution volume |
Project-Based Customization & OEM/OEM Engineering Capabilities
Custom Laser Marking
Laser engraving your corporate logo, distinct project reference numbers, or specific batch details directly onto the sprinkler bodies or valve plates for clear job-site identification.
Specialized Finish Options
Provision of corrosion-resistant coatings, specialized plating, or custom color finishes (such as specific RAL options) for architectural projects, high-humidity environments, or corrosive industrial settings.
Tailored Documentation Bundles
Assembling project-specific compliance data packages, material traceability sheets, and localized customs clearance paperwork prior to shipment to streamline the local review process.
Installation Field Insights
Retrofitting & Thread Compatibility
Older building upgrades often mix legacy piping with modern layouts. We maintain strict manufacturing tolerances across NPT and BSPT thread configurations. Our engineering team reviews project drawings in advance to verify thread engagement, helping crews tie into existing risers smoothly without awkward adapters.
Torque Control & Bulb Protection
- Over-tightening is a leading cause of frame distortion and glass bulb damage.
- Use manufacturer-approved installation wrenches applied strictly to designated wrench flats, never on the frame arms or deflector.
- Follow exact torque specifications to prevent structural stress under operating pressure.
- Avoid excessive thread sealant to prevent compound from fouling the internal waterway.
Pre-Installation Field Checklist
Before mounting sprinkler heads, field crews should verify:
- Visual Integrity: Check glass bulbs for transit cracks or fluid loss.
- Temperature Rating: Match the bulb color code to the room's maximum ambient temperature.
- Orientation & Clearance: Confirm pendent, upright, or sidewall placement meets NFPA clearance rules from beams and ducts.
- Thread Cleanliness: Ensure threads are free of debris and metal shavings prior to engagement.
Engineering Compliance & Global Regulatory Framework
NFPA 13 Alignment
Dimensional and operational parameters align directly with installation codes set by the National Fire Protection Association.
Traceability
Each sprinkler body features a unique Sprinkler Identification Number (SIN) and batch code, allowing project engineers to trace manufacturing dates and test reports directly.
Third-Party Documentation
Mill test certificates, material safety sheets, and official listing documents are archived and accessible for every shipped lot.
Technical Engineering Support Hub
Hydraulic Data Alignment
Guidance on K-factor selection, water distribution patterns, and pressure loss calculations to ensure system compatibility.
Thread and Fitting Compatibility
Verifying NPT, BSPT, and grooved connection standards to match regional piping specifications.
Installation Guidance Reference
Providing clear torque guidelines and mounting instructions to prevent frame distortion or bulb damage during field installation, supporting compliance with local AHJ (Authority Having Jurisdiction) inspection requirements.
Your Project Procurement Pathway: From Blueprint to Job-Site Delivery
Application & Specification Match
Our technical engineers review your hydraulic criteria, hazard classes, and regional codes (NFPA, FM, UL) to lock in the exact correct configuration.
AHJ Submittal Package
We deliver comprehensive technical data sheets, CAD drawings, and pre-production samples to clear local Authority Having Jurisdiction (AHJ) reviews smoothly.
Traceable Manufacturing
Production begins with strict lot-number tracking, ensuring every individual valve and sprinkler ties back to its mill test report.
Export Logistics & Support
We coordinate secure, moisture-resistant ocean freight packaging, furnish full compliance dossiers, and remain on standby until final site acceptance.
FAQ
As one of the most professional fire sprinkler system manufacturers and suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. Please feel free to buy advanced fire sprinkler system at competitive price from our factory.
-
FM Approved Quick Response Pendent Fire SprinklerFM Approved Quick Response Pendent Fire Sprinkler is designed for rapid thermal activation in light hazard fire...read more
-
Electrical Remote Control Water Foam Monitor XFS SeriesThe XFS Series electric remote-control water-foam monitor delivers high-volume water or foam over long distances for...read more
-
Explosion-Proof Electric Remote Control Fire MonitorThe Electrical Remote Control Fire Monitor is an advanced industrial firefighting solution featuring explosion-proof...read more
-
Manual Water Monitor with Aluminum Alloy NozzleIt is a heavy-duty, manually operated directional water cannon used for industrial fire suppression and exposure...read more
-
Grooved OS&Y Gate Valve for Fire Protection SystemsThe Grooved Outside Screw and Yoke (OS&Y) Gate Valve is a heavy-duty manual isolation valve for fire protection...read more
-
NONFIR FM Approved Sprinkler Head K5.6 68°CFM-approved K5.6 (K80) standard response fire sprinkler heads engineered for commercial and industrial fire...read more
