Gaseous systems

International Security & Safety Systems Co.

49 Abbass El Akkad St
Nasr City
Cairo
Egypt

Tel: +202 2401 7430 • Fax: +202 2262 7317
Email: info@isssystems.com • Web: www.isssystems.com


Certificate No 1222Ca to LPS 1230


ISS CG2 25 bar & 42 bar HFC 227ea Gaseous Fire Suppression Systems

Product Risk

Design Concentration

Comments

LPCB
Ref. No.
ISS CG2

Class A Standard (Solid fires e.g. paper, wood, plastics)

7.8%

Design concentration includes 30% safety factor

1222Ca/01



See below for all products listed in this group including notes.

ISS CG2 25 bar & 42 bar HFC 227ea Gaseous Fire Suppression Systems

Product

Risk

Design Concentration

Comments

LPCB
Ref. No.
ISS CG2

Class A Standard (Solid fires e.g. paper, wood, plastics)

7.8%

Design concentration includes 30% safety factor

1222Ca/01
ISS CG2

Class A Cables (Solid fires risks including cables)

8.2%

Confirmation that 'minimum safety factor' is adequate

1222Ca/01
ISS CG2

Class B (Liquid Fires e.g.heptane)

9.2%

Design concentration includes 30% safety factor

1222Ca/01

 

Design concentration Class A Standard and Class B = Extinguishing concentration x safety factor (minimum 1.3).
Design concentrations are as tested to LPS 1230 In BRE Test Report Numbers 231870 (25 bar) & 254632 (42 bar) (Class A and B risks) and Test Letter 282069 (Class A Cables risks)
Extinguishing concentrations  are as tested in BRE Test Report Number 231870 (ISO 14520-1 tests).

This system uses:

Design Manual: 'ISS CG2  HFC227ea Manual'
Software Programme : Vds Schadenverhutung calculation package version 7.3
This system is suitable for storage and environmental conditions from -20° to 50°C.
System pressure is specified as 25 bar and 42 bar at 21°C.

 


 

To read the Red Book section introduction click here.

 

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