01. Wet Pipe Sprinkler System
Wet pipe sprinkler systems employ automatic sprinklers attached to a piping system containing water and connected to a water supply so that water discharges immediately from sprinklers opened by a fire. Wet pipe systems are the most reliable and simple of all sprinkler systems since no equipment other than the sprinklers themselves need to operate. Only those sprinklers which have been operated by heat over the fire will discharge water.

02. CO2 High Pressure System
CO2 system comprises the following main components:-

a. Liquified CO2 Gas
Carbon Dioxide is a non-flammable, colourless, odourless, non-corrosive, non-damaging electrically and non-conductive gas. CO2 extinguishes fire by reducing the concentration of oxygen and / or the gaseous phase of the fuel in the air to the point where combustion stops. It is utilized mainly for the protection of :-
· Gaseous and liquid flammable materials
· Electrical hazards
· Engines using gasoline and other flammable fuels
· Ordinary combustibles
· Hazardous solids.
CO2 will NOT extinguish fires where the following materials are actively involved in the combustion process:-
· Chemicals containing their own oxygen supply
· Reactive metals
· Metal hydrides

b. CO2 Cylinder Modules
Our CO2 cylinder can be connected to a manifold via a non return valve to enable individual containers to be removed from the system without interruption of the general protection. Generally, the cylinders are grouped in rows in any combination. We recommend a single row or double row arrangement for economical space utilization.

c. Release Unit
The release and subsequent discharge of the CO2 gas can be effected either manually and / or automatically.

· Manual Actuation
The manual release actuation is effected by just pulling the release handle at the cylinder valve.

· Automatic Actuation
Automatic release occurs according to the fire hazard detected in the room to be protected as in total flooding or within the immediate vicinity of the object to the protected as in local application. It can be either mechanical, pneumatic, electrical or electro-pneumatic.

1. Mechanical release
The fusible link is mounted onto aa wire rope stretched by weights. Upon heat application, the fusible links breaks and actuates the release mechanism at the CO2 cylinder bank.

2. Pneumatic Mechanical Release
The fusible link is mounted onto a wire rope stretched by weights. Upon heat application, the discharged gas of the pilot cylinder actuates the release mechanism at the CO2 cylinder bank.

3. Electrical Release
Detectors responding to a fire condition transmit a signal to the detection panel, which then activate the release mechanism.

Carbon Dioxide Extinguishing system typical arrangement drawing

Legend :

1. Smoke Detector
2. Heat Detector
3. CO2 Control Panel
4. 24vdc tripping Device
5. fire Curtain
6. Twin Flashing Light
7. Pilot Cylinder
8. Pressure Gauge
9. 24vdc Solenoid Valve
10. Switch Indication to CO2 Panel
11. Manual Discharge Lever
12. Galvanised Steel Cable in Conduit
13. Corner Pulley
14. Angle Bracket
15. Manual Pull Station
16. 68 Litre Carbon Dioxide Cylinder
17. 20mm Discharge Flow Hose C/W check valve
18. 12mm Pneumatic Connecting Hose
19. 9mm Air vent
20. Fitting Tee
21. Manifold
22. CO2 Discharge Nozzle

03. Fire Detection System
With the fire detection system, each zone can be given a tailor made response text message to help locate the source of a fire. Software configuration and reconfiguration can be carried out on site, with minimum disruption and the avoidance of system down time. Correct execution on each other.

System's sounder can be set for either continuous, pulse, or a combination of two tones via the system software. The pattern of signals is programmable, allowing phased, controlled evacuation of buildings.To aid the rapid location of fire, remote repeater panels or geographical mimics can be connected to the controllers for greater monitoring convenience, as can visual display units.

For management information a printer can also be connected to the fire protection, providing a hard copy of events. Fire detection system has the capacity to store up to 150 events in its memory. Finally, a weekly test reminder facility can be built in, while a walk-test facility allows truly cost-effective systems checking by a single operative.

Legend :

	Addressable or analogue addressable Fire Detector
	Conventional fire Detector
	Alarm Sounder
	Break Glass Call point
	Loop A : Address Loop
	Loop B : Address Loop
	Monitored Sounder Spur
	Conventional Detector Spur