Regulations/Standards:
(EU) 2024/1975 Item No.MED/3.61a: Inside air high expansion foam systems for the protection of machinery spaces, cargo pump rooms, vehicle and ro-ro spaces, special category spaces and cargo spaces
SOLAS 74 as amended Regulation II-2/10 and FSS Code 6, IMO MSC.1/Circ.1528
Test According to :
IMO MSC.1/Circ.1384 Appendix1 & 2 & 3 Selected items of IMO MSC/Circ.1165 Selected items of EN 13565-1.
SYSTEM INSTRUCTION
The Product description “FTC-HEFS” foam system, is a fixed high-expansion inside air foam fire-fighting system consisting of foam generator(s), foam concentrate, water and foam pump(s), foam proportioner, steel distribution piping, strainer, valves, test and blow through lines, power and control system.
The system is accepted for use in machinery spaces, cargo-pump rooms and similar spaces. The system can also be used for ro-ro, special category and cargo spaces. The system is to be designed according to IMO FSS Code Ch.6 as amended by IMO Res. MSC.327(90) for fixed high-expansion inside air foam fire-fighting systems.
RULES & REGULATIONS
SOLAS 74 as amended Regulation II-2/10 and FSS Code 6, IMO MSC.1/Circ.1528
SYSTEM SPECIFICATION
The inside air system should use with the below specifications :
|
System Type |
Inside Air High Expansion Foam Fire Extinguishing System |
|
Type Designation(s) |
FTC-HEFS |
|
Foam concentrate |
|
|
Model of foam liquid |
FTHF2% |
*)Only MED approved foam concentrate “FTHF2%” shall be used.
|
Foam generators |
||
|
Model |
FTFG-30 |
FTFG-100 |
|
Nominal flow rate |
30 L/min @ 4bar |
100 L/min @ 4bar |
|
K factor (Q = k x √p) |
15 |
50 |
|
Nominal working pres. |
4bar |
4bar |
|
Pressure Range |
2-6 bar |
2-6 bar |
|
Foam production rate |
19.5 m3/min |
65m3/min |
|
Expansion ratio |
650 |
650 |
The system shall be installed according to the below specifications:
|
Volume of protected space Spaces |
Minimum required filling rate |
|
Upto500m3 |
2.15 m per minute |
|
500 |
1.94 + 0.0000778 x (3200 – V) m per minute |
|
Above 3200 m3 ** |
1.94 m per minute |