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Technical Specifications
| Parameter | Value |
|---|---|
| Load Capacity | 30 lbs (13.6 kg) ABC powder |
| Working Pressure | 240 PSI |
| Test Pressure | 720 PSI (hydrostatic) |
| Cylinder Type | One-piece seamless steel |
| Temperature Range | -49°C to 54°C |
| Discharge Time | 34 seconds continuous |
| Discharge Range | 12–15 meters (40–50 ft) |
| Electrical Safety | Non-conductive up to 100,000V |
| Certification | UL 10A:160B:C / ULC dual approval |
Certification & Compliance
This extinguisher is certified under:
- UL Rating: 10A:160B:C
- ULC dual approval system
- Electrical safety classification: non-conductive up to 100,000 volts
Engineering meaning:
- 10A: solid combustible suppression performance
- 160B: liquid fire suppression capacity class
- C: safe operation in energized electrical systems
How It Works
When the valve is activated:
nitrogen gas at 240 PSI expands inside cylinder
pressure pushes 13.6 kg ABC powder through dip tube
powder exits through nozzle at 12–15 m discharge range
particles form oxygen-blocking layer on combustion surface
Physical suppression mechanisms:
oxygen displacement by particle coating
flame radical interruption in combustion zone
heat dissipation through solid particle dispersion
Cylinder Construction
- Material: one-piece seamless carbon steel cylinder
- Manufacturing: deep drawing + integrated forming process
- Pressure resistance: validated at 720 PSI hydrostatic test
Engineering function:
- eliminates weld seam stress concentration
- improves fatigue resistance under vibration and transport load
- stabilizes long-term pressure retention performance
Fire Application Scenarios
Class A Fire (Solid Combustibles)
wood pallets, paper stacks, textile storage • UL 10A classification environment • powder forms insulating surface layer
Class B Fire (Flammable Liquids)
gasoline, diesel, lubricants • UL 160B classification • powder suppresses vapor flame above liquid surface
Class C Fire (Electrical Systems)
energized equipment up to 100,000V • non-conductive discharge behavior prevents electrical conduction
Discharge Performance
- Continuous discharge time: 34 seconds
- Effective range: 12–15 meters
- Operating temperature: -49°C to 54°C
Flow behavior:
- nitrogen-driven powder acceleration
- nozzle-controlled particle dispersion
- stable discharge even under low-temperature conditions
Manufacturing & Quality Control
Production process:
seamless cylinder forming
hydrostatic test at 720 PSI
internal coating for corrosion isolation
powder filling under controlled sealing environment
valve torque-controlled assembly
nitrogen pressurization at 240 PSI
final inspection (pressure + weight + batch trace)
Each unit is assigned traceable batch ID for export inspection.
Installation & Operation
- mounting: wall bracket with M8 expansion bolts
- installation height: 0.8–1.2 m from ground
- access distance: ≤1.2 m from hazard zone
Operation sequence:
- pull safety pin
- press lever valve
- discharge begins within mechanical response time
Failure Modes & Risk Control
Potential failure points:
- valve seal leakage ➔ pressure drop below 240 PSI
- powder moisture absorption ➔ dip tube clogging
- nozzle restriction ➔ reduced discharge range
Control methods:
- hydrostatic test at 720 PSI
- sealed filling environment
- batch sampling discharge testing
Packaging & Logistics
- export carton + pallet stacking design
- vibration resistance for sea freight
- carton configuration optimized for container loading efficiency
Applications
-
industrial warehouse fire protection points
logistics storage centers
electrical equipment rooms
fuel handling zones
commercial building compliance systems
FAQ
Q1: What does UL 10A:160B:C mean?
A1: It defines fire performance for Class A solid fires, Class B liquid fires, and Class C electrical fires under UL testing standards.
Q2: Is the extinguisher safe for electrical equipment?
A2: Yes. It is non-conductive up to 100,000 volts, making it suitable for energized electrical environments.
Q3: Can the cylinder be reused?
A3: Yes. The seamless steel cylinder is refillable after inspection and pressure verification.
Q4: What is the difference between 240 PSI and 720 PSI?
A4: 240 PSI is working pressure during discharge, while 720 PSI is hydrostatic test pressure for safety validation.
Q5: What is the discharge range?
A5: The effective discharge distance is 12–15 meters depending on nozzle configuration and pressure stability.
Request for Quotation
Weimin supports industrial procurement for:
UL/ULC certified fire extinguisher distribution • Warehouse and commercial safety system integration • OEM branding and labeling customization • Container-level bulk shipment supply
We will provide: Technical specification sheet • Compliance document list • FOB quotation based on configuration
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