IG-541
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Overview of IG - 541 Inert System
Tstructure and concept of IG-541 Clean Agent System Layout
IG-541 is a mixture with 40% Argon, 52% Nitrogen and with 8% Carbon Dioxide. It is an inert gas, non-conductive, colourless,
and odourless. They fight the fire by reducing the oxygen in the room, always at a concentration suitable for allowing for
the evacuation of personnel. In addition, the low percentage of carbon dioxide included in the mixture is suitable for use
in occupied areas. This feature distinguishes it from the rest of the inert gas systems, making it one of the most popular
options in the segment.
How does Inert work?
IG-541 gas systems contain a mixture of inert gases: nitrogen, argon, and carbon dioxide stored as a gas in pressurized steel cylinders.
The combination of gases is released quickly into the designated area to subdue the fire through oxygen deprivation.
IG-541 systems are designed to starve flames of oxygen to deny further combustion, but to also allow enough for humans in the immediate area to breathe and make a safe escape.
Known for being safe to humans and the environment.
Safe for Humans and the Environment
IG-541 clean agent is nontoxic and doesn’t produce corrosive decomposition products. IG-541 agent is safe for people in a number of other ways. When discharged, IG-541 agent will not produce a fog, so escape routes remain visible. Also, IG-541 agent suppresses the fire but doesn’t deplete the amount of oxygen people require to remain safe and healthy.
IG-541 clean agent is non-synthetic and composed of gases people breathe, nitrogen, argon and carbon dioxide. Once discharged, it simply returns to the atmosphere in its natural state. IG-541 agent poses no ozone depletion or global warming potential.
Why 300 Bar System ?
The system operates by total flooding of the room, ensuring discharge in less than 1 minute. It is suitable for class A, B and C hazards. Cryptzo has two types of systems depending on the storage pressure. IG-541 at 200 bar and IG-541 at 300 bar, in this way adapting the quantity of the necessary extinguishing agent, to the available storage space for the cylinders.
Typical Applications
Data Processing
Innovation in the speed and capacity of data processing hardware has exponentially increased the ability to store critical data. This has led to widespread use of electronic data storage and the expansion of data centers. Due to which the data centers have to run 24 by 7 which leads to an increase in overheating and fire scenarios.
Area of Applications :
- Data Center
- UPS Rooms
- Electrical Rooms
- Sub-Floors Area
Communications
Electronic communication are so portable, reliable and instantaneous that they are taken for granted. The equipment that provides such communication is heavily used and could overheat. Data management and communication hubs could be prone to fire.
Area of Applications :
- Switching Equipment
- Power & Battery Area
- Cell Sites
- Standby Engine Area
Oil & Gas
Oil refinery operators perform a range of tasks from the control room. They monitor the processes remotely through electronic representations shown on monitors. Operators make sure that processes keep running as per SOP. They are responsible to take appropriate actions in case of irregularities or emergencies.
Therefore control room and control system equipment are vital to safe operations in a facility that handles processes within refinery. Clean agent suppression system extinguishes fire without causing harm to the control room equipment.
Area of Applications :
- Control Room
- Metering Stations
System Components
NFPA 2001, Requirements For Minimum Values
| Agent | Class A MEC | Class A Design | Class C Design |
|---|---|---|---|
| IG-541 | 28.5 | 34.2 | 38.5 |
Environmentally Friendly
| Description | IG-541 |
|---|---|
| Ozone Depletion Potential (ODP) | 0.0 |
| Global Warming Potential (GWP) | 0.0 |
| Atmospheric Lifetime (Years) | N/A |
| SNAP (Yes / No) | YES |
| No Observable Adverse Effect Level | 43 |
| Lowest Observed Adverse. | 52 |
IG-541 Fire Suppression Agent
This IG-541 Gas Extinguishing Systems utilized a mixture of therr naturally
occurring gases
These gases are found naturally in the environment, so there is no global
warming effect and it does not destroy the ozone layer. Both argon and
nitrogen are clean, non-corrosive, colorless and insipid gases. IG-541 is stored
like a compressed gas in high-pressure cylinders, which is why the space
required for its storage will depend on its pressure and capacity. Our IG-541
gas extinguishing system is designed for a pressure of 200 and 300 bar, which
enables us to achieve great space economies.
Description
The extinguishing principle of inert gases focuses on reducing oxygen concentration in the affected zone. When a fire starts, IG-541 rapidly penetrates the area and reduces the oxygen level percentage from the usual level of 21% to a limit that fluctuates between 13% and 11%, the amount sufficient for combustion to stop and to be safe for the people in the room. Thanks to the stratification of the gases (due to their density, argon rises and nitrogen falls) protection is achieved throughout the space, regardless of how high the ceiling is. During its discharge, there is excellent visibility and, since it leaves no residue, there are no destructive effects to the equipment, which will continue functioning normally and, of course, there will be nothing to clean up.
Physical & Chemical Properties
| Description | Name |
|---|---|
| IUPAC Designation | N2 (52%) + Ar (40%) + CO2 (8%) |
| ASHRAE Designation | IG-541 |
| Molecular Weight. | 34 |
| Boiling Point at 760 mmHg. | 195.5°C (-320°F) |
| Freezing Point | -78.3⁰C ( -109°F ) |
| Heat Vaporization @B.P | 94.7Btu/ib |
| Ozone Depletion Potential.. | 0.0 |
| Atmospheric Lifetime, years. | N/A |
| Global Warming Potential.. | 0.0 |
IG-541 Cylinder
IG-541 gas is stored in seamless cylinder having a filling pressure of 200 Bar (2900 PSI) or 300 Bar (4350 PSI). This 80 and 140 ltr. seamless cylinder is manufactured according to the requirements of the Petroleum and Explosives Safety Organization of INDIA (PESO) and IS 7285 (Part 2). This standard is aligned with International standard, ISO 9809-3. The cylinder is designed for mounting in a vertical position only.
Each basic assembly of unit consists of cylinder with valve assembly and cylinder label. Because IG-541 is stored as a non-liquefied gas, syphon tubes are not required. Each cylinder and valve assembly can be supplied with either a standard pressure gauge or with Switch-in-Gauge unit for continuous pressure monitoring by fire alarm panel.
Technical Specifications
IG-541 CLEAN AGENT FIRE SUPPRESSION SYSTEM
Type of System : Total Flooding System
Name of Agent : IG-541 [ N2 (52%) + Ar (40%) + CO2 (8%) ]
Design Code : NFPA-2001 Standard on Clean Agent Fire
Extinguishing Systems (Latest)
Charging Pressure : 200 Bar (2900 PSI) or 300 Bar (4350 PSI)
Discharge Time : 10 seconds maximum.
Operating Temperature : 0°C to 55°C (32°F to 130°F)
Design Concentration : Class A Fire : 34.2 % I Class C Fire :
38.5 %
Approved Agency : VdS 2454 Clean Agent Fire Extinguishing
System
A. CLEAN AGENT CYLINDER
Type : Seamless
Design Code : NFPA-2001 / IS 7285 (Part 2)
Capacity : For Seamless 80 and 140 Ltrs.
B. DISCHARGE NOZZLE
Type : 180 and 380 Degree
Material of Construction : Brass
Thread : NPT female thread
Size : 15NB, 20NB, 25NB, 32NB, 40NB & 50NB (1/2″, 3/4″. 1″,
1-1/4″, 1-1/2″ & 2″)
C. FLEXIBLE DISCHARGE HOSE
Material of Construction : Reinforced Rubber Hose.
Size : 20NB (3/4″)
D. ELECTRIC CONTROL HEAD
Operation : Electrically and Manually by Manual Plunger
Operating Voltage : 24 VDC
Operating Current : 0.5 A
Environmental Criteria : Indoor / Dry use only
Seamless Cylinder
| Nomenclature | Part Number |
|---|---|
| 80 Ltr. Seamless Cylinder With Valve & Switch-in-Gauge unit (NO), 200 Bar | 16-200080-NO2 |
| 140 Ltr. Seamless Cylinder With Valve & Switch-in-Gauge unit (NO), 200 Bar | 16-200140-NO2 |
| 80 Ltr. Seamless Cylinder With Valve & Switch-in-Gauge unit (NO), 300 Bar | 16-300080-NO2 |
| 140 Ltr. Seamless Cylinder With Valve & Switch-in-Gauge unit (NO), 300 Bar | YES |
Accessories for 2200 Bar (2900 PSI) or 300 Bar (4350 PSI) System
| Nomenclature | Part Number |
|---|---|
| 500 mm Long, Discharge hose, with 90⁰ Elbow | 20-000001-000 |
| Flexible Actuation Hose | 20-000004-000 |
| Cylinder Strap for 80 and 140 lrt. IS Cylinder | 14-000013-000 |
| Electrical Actuator | 20-000031-000 |
| Manual Actuator | 20-000033-000 |
| Pneumatic / Manual Actuator | 20-000034-000 |
| Pneumatic Actuator | 20-000036-000 |
| Solenoid Reset Tool | 20-000035-000 |
| Pilot Hose Adapter | 20-000050-000 |
| Bleed Valve | 20-000051-000 |
| Pilot Booster (T-Connector) | 20-000052-000 |
| Non Return Valve G1/8” - G1/8” | 20-000053-000 |
| DN12 Manifold Check Valve | 20-000060-000 |
| Constant Pressure Regulator G3/4" | 14-000061-000 |
| 360 Degree Nozzle | 21-000001-XXX |
| 180 Degree Nozzle | 21-000002-XXX |