Marine HFC-227ea Fire Suppression System
1. Overview
The Marine HFC-227ea Fire Suppression System is a state-of-the-art
fire protection solution designed specifically for use in marine
environments. It is engineered to provide effective and reliable
fire suppression in high-risk areas aboard ships, including engine
rooms, boiler rooms, electrical compartments, and battery rooms.
This system uses HFC-227ea (also known as FM-200), a clean,
non-toxic, and environmentally friendly fire extinguishing agent
that is highly effective in suppressing fires without leaving
harmful residues.
2. Application Range
The Marine HFC-227ea Fire Suppression System is versatile and can
be deployed to suppress several types of fires, including:
- Electrical Fires: HFC-227ea is ideal for use around electrical equipment as it is a
non-conductive agent, minimizing the risk of secondary electrical
damage.
- Flammable Liquid Fires: The system is highly effective for suppressing fires involving
flammable liquids or combustible gases.
- Surface Fires on Solids: The system can also suppress surface fires on various solid
materials commonly found in ship compartments.
This system is suitable for areas where fire risks are high, and
quick, efficient suppression is essential to protect both personnel
and valuable shipboard equipment.
3. Key Features
The Marine HFC-227ea Fire Suppression System offers several notable
features that make it a preferred choice for marine fire safety:
- High Reliability: The system is designed to operate flawlessly under various
conditions. Its components are built to withstand the demanding
maritime environment.
- Clean Agent: HFC-227ea is a clean agent, meaning it does not leave residues
after discharge, reducing the need for cleanup and preventing
damage to equipment.
- Fast Response Time: The system is designed to release the fire suppression agent
quickly and efficiently, minimizing fire damage.
- Three Control Modes: The system offers three different methods for
activation—pneumatic, electrical, and emergency manual
control—ensuring reliable operation even in the event of power loss
or other emergencies.
- Environmental Safety: HFC-227ea has a low environmental impact, with minimal global
warming potential, making it a safer choice compared to other fire
suppression agents.
4. System Composition
The Marine HFC-227ea Fire Suppression System consists of a variety
of components that work in unison to ensure effective fire
suppression:
- HFC-227ea Cylinders: These cylinders store the fire suppression agent at high
pressure. The system is designed to offer various cylinder sizes,
which can be selected based on the specific fire protection needs
of the ship.
- Cylinder Valve Assemblies: These components are responsible for controlling the release of
the fire suppression agent from the cylinders.
- Discharge Hoses: The hoses carry the fire suppressant from the cylinders to the
nozzles, where it is dispersed throughout the protected area.
- One-Way Liquid Valves: These valves allow the fire suppression agent to flow in one
direction, ensuring the proper delivery of the agent to the nozzle.
- Collection Manifold: A central point that collects and distributes the fire
suppressant agent from multiple cylinders to ensure even
distribution.
- Pneumatic Control Valves: These valves control the flow of the agent and are triggered by
pneumatic pressure.
- Electrical Activation System: A control panel and wiring system that allows the system to be
activated electronically in the event of a fire.
- Remote Discharge Stations: Locations throughout the ship where the system can be activated
remotely, allowing for quick intervention even if the fire is not
immediately visible.
- Nozzles: These components are strategically placed throughout the
protected area to distribute the fire suppressant evenly.
5. Working Principle
The working principle of the Marine HFC-227ea Fire Suppression
System is based on the rapid release of HFC-227ea into the
protected area, which suppresses the fire through a combination of
heat absorption and chemical interference with the combustion
process.
When a fire is detected, the system is activated via the chosen
control method (electric, pneumatic, or manual). The fire
suppression agent is then released from the cylinders into the
distribution network, where it flows through the discharge hoses
and is expelled through nozzles positioned in the area at risk. The
agent works quickly to cool the fire, reduce oxygen levels, and
disrupt the chemical reactions that sustain the fire.
One of the main advantages of HFC-227ea is its ability to suppress
fires in enclosed spaces without damaging sensitive electronic
equipment. It is an ideal solution for marine environments, where
the integrity of electrical and electronic systems is crucial.
6. Technical Specifications
| Model | QMQ2.5/XXN-RG | QMQ4.2/XXN-RG | QMQ5.6/XXN-RG |
|---|
| Storage Pressure | 2.5 MPa | 4.2 MPa | 5.6 MPa |
| Max Operating Pressure (at +50°C) | 4.2 MPa | 5.3 MPa | 6.7 MPa |
| Min Operating Pressure (at 0°C) | 2.0 MPa | 3.6 MPa | 4.6 MPa |
| Filling Density | ≤1.12 kg/L | ≤0.95 kg/L | ≤1.12 kg/L |
| Cylinder Volume | HFC-227ea Cylinder (L): 2/4/8/10/20/30/40/70/90/120/150/180 | Nitrogen Starting Cylinder (L): 4 |
|
| Design Fire Extinguishing Concentration (Volume) | ≤10% |
|
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| Activation Methods | Electric, Pneumatic, Emergency Manual |
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| Note | "XX" in the model represents cylinder volume |
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7. Cylinder Specifications
The system is equipped with high-quality pressure cylinders that
store HFC-227ea. The cylinders come in various volumes to suit the
specific requirements of the ship’s fire suppression needs. Below
are the specifications of the cylinders available for use:
| Cylinder Volume (L) | Cylinder Type | Max Operating Pressure | Thread Connection |
|---|
| 2 | Seamless Steel | 8 MPa | PZ27.8 |
| 4 | Seamless Steel | 8 MPa | PZ27.8 |
| 8 | Seamless Steel | 8 MPa | PZ27.8 |
| 10 | Seamless Steel | 8 MPa | PZ39 |
| 20 | Seamless Steel | 8 MPa | PZ39 |
| 30 | Seamless Steel | 8 MPa | PZ39 |
| 40 | Seamless Steel | 8 MPa | PZ39 |
| 70 | Seamless Steel | 8 MPa | PZ56 |
| 90 | Welded Steel | 5.6 MPa | PZ56 |
| 120 | Welded Steel | 5.6 MPa | M64X2 |
| 150 | Welded Steel | 5.6 MPa | M80X2 |
| 180 | Welded Steel | 5.6 MPa | M80X2 |
8. Conclusion
The Marine HFC-227ea Fire Suppression System is an essential safety
solution for ships, ensuring rapid and effective fire suppression
in critical areas. Its clean agent, fast activation, and reliable
operation provide peace of mind for ship owners and crew members
alike. With flexible control options and advanced technology, this
system helps protect both human lives and expensive equipment from
the devastating effects of fire.
