Hangzhou PRI-SAFETY Fire Technology Co., Ltd. is known as one of the most professional manufacturers and suppliers of various safety products in China. If the dry powder automatic fire extinguishing system for heavy machinery in coal mines meets your requirement, welcome to buy quality equipment made in China here from our factory. Our factory will offer you one stop service and one year warranty.
Dry Powder Automatic Fire Extinguishing System for Heavy Machinery in Coal Mines
Product Description

A vehicle automatic fire suppression system activated by a temperature cable (often called a linear heat detection cable or LHD cable) is a specialized fire detection system designed to trigger fire suppression in high-risk vehicle compartments (like mining trucks, heavy machinery, or military vehicles) based on temperature changes along its entire length.

Technical Parameters

| Brand Name | PRI-SAFETY |
| Capacity | 6L, 9L, 12L, 18L,19L, 20L, 25L, 45L, 50L,65L, 100L, 106 |
| Agent | Foam / Dry Powder / FK-5112 / F-500 / ColdFire |
| Working Pressure | 14Bar |
| Testing Pressure | 27Bar |
| Activation Temperature | 138℃ or 180 ℃ |
| Power Required | 24V (If powder is different, Transformer is Optional) |
| Cylinder Material | Steel red painting Or Stainless Steel 304 |
| Certificate | UN ECE R107 , CE |
Why we need it?
Installing automatic fire suppression systems in mobile machinery (like mining trucks, excavators, forestry equipment, or material handlers) is critical for safety, asset protection, and operational continuity. Here's why these systems are non-negotiable in high-risk industries:
| 1. Extreme Fire Risks in Mobile Machinery * Flammable Fluids: Hydraulic oil (ignites at ~400°F/204°C), diesel fuel, lubricants. * Intense Heat Sources: Engines, exhausts (up to 1,000°F/538°C), brakes, electrical faults. * Ignition Triggers: * Fluid leaks onto hot surfaces (e.g., hydraulic hose bursts). * Friction from seized bearings or brakes. * Dust accumulation (in mining/agriculture) + heat = explosive combustion. Result: Fires can erupt in < 10 seconds and engulf a machine in minutes. |
2. Why Human Response Fails Automatic systems act faster than humans, suppressing fires within 5–15 seconds of ignition. |

| 3. High-Risk Zones in Mobile Equipment Automatic systems protect critical compartments: * Engine Bays: 55% of machine fires start here (fluid leaks + heat). * Hydraulic Systems: High-pressure hoses rupture → aerosolized oil ignites. * Brakes/Transmissions: Friction fires in downhill-heavy operations. * Battery Compartments: Lithium-ion fires (in newer EVs) require instant suppression. * Operator Cabs: Electrical fires from wiring/controls. |
4. Real-World Consequences of Unprotected Machinery * Fatality Risk: Operators can't escape enclosed cabs during rapid fire spread. * Cost of Fire: * Direct loss: $500k–$10M+ per machine. * Indirect loss: Production delays, environmental fines, insurance spikes. * Reputational Damage: Fires trigger regulatory investigations and stakeholder distrust. |

Wroking Principle
Temperature Detection Cable Type & Solenoid Valve:
The automatic fire suppression system utilizes a flexible temperature detection cable connected to a control panel, providing continuous thermal monitoring throughout the protected space. When temperatures reach a preset threshold (138°C or 180°C, configurable per application), the system triggers the following sequenced response:
1. Detection & Signal Transmission
The detection cable sends an alarm signal to the control panel.
2. Suppression Activation
The control panel energizes solenoid valves, releasing fire-extinguishing agent through discharge pipes and nozzles.


Main Components

Certification
ISO9001:2015, CE, UN ECE R107 Certification

Packing & Shipping
Use the Foam inserts in high quality carton boxes or wooden boxes, guarantee the package with good Vibration/Impact Resistance.



