'Dry Sprinkler Powder Aerosol Extinguishing systems', DSPAs for short, are developed to replace the halon-like extinguishing systems that were mainly used in marine applications. DSPA extinguishing systems have advanced through years of scientific research. Pelorus Intelligence & Technology Academy Sdn Bhd as a registered sole distributor for DSPA.

 

DSPA extinguishing systems act, similar to Halon, volumetrically. This means that a compartment is filled with a minimum quantity of extinguishing material which acts directly on the ignition mechanism of the flame. The solid material of the DSPA system, as opposed to gas systems, enables interaction with the surface of the burning material. Consequently the flames are rapidly extinguishing.

 

The Dry Sprinkler Powder Aerosol extinguishing system, does not affect the ozone layer, lower the oxygen level or augment the pressure in the compartment where it is activated. The process relies upon solids with a high activating energy, brought together in a normal atmosphere.

 

Applications:

• The systems can be used for fires type A, B, C, E and F
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• And are successful in initial and fully developed fires. The active components are even more effective at higher temperatures than at lower temperatures. In this way, it is possible to extinguish a fully developed (test) fire quickly, often within three minutes.
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• Due to the great stability of active components they remain in the air for about one hour, preventing re-ignition.
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• The DSPA systems can be linked up in series in this way DSPA is capable of protection large area’s.

 

 

DSPA 5 extinguishing fire, filmed with thermal imaging camera

 

Further information about DSPA, please do visit the official website at www.dspa.nl

 

 

 

DSPA; For more information on the various DSPAs, please choose from the types mentioned below.

 

DSPA 2 .

The Dry Sprinkler Powder Aerosol 2 generator is intended for operational application during localization and extinction of fire of class A and B, localization of fire of class A in closed spaces up to 300m3. They can also be used in rooms where cables, electric installations and electrical equipment in which the voltage is no higher than 40 kV have been installed.   Click here to download the complete infosheet of DSPA 2 (96kb in pdf format).

 

 

DSPA 4 .

The Dry Sprinkler Powder Aerosol 4 generators are intended for operational application during localization and extinction of fire of class A and B, localization of fire of class A in closed spaces up to 21m³. They can also be used in rooms where cables, electric installations and electrical equipment in which the voltage is no higher than 40 kV have been installed. DSPA-4 is specifically designed for use within fire extinguishing installations on vehicles in road transportation, in railroad wagons and on ships.   Click here to download the complete infosheet of DSPA 4 (76kb in pdf format).

 

 

 

DSPA 5 .

The Dry Sprinkler Powder Aerosol 5 generator is intended for operational application during localization and extinction of fires of class A and B, and electrical fires, amongst others in industrial buildings, railroad, and vehicle transport.

 

Properties
The DSPA-5 generators (see figure below) consist of a body (1) where aerosol-forming agents are situated (2). The agents are separated from the inner surface of the body by a protective layer (3). The agents are separated from each other by an insulating element (10). The side surface of the body has a threaded bushing (4) for mounting of the starting assembly (5). There is a handle (6) on the body, which can be used for transportation and throwing of the generator into the area , where fire is located. Discharge of fire-extinguishing aerosol occurs via a slot nozzle (7), situated on the side surface of the body. The starting assembly consists of a metal housing, an activating device with a cord (8), a decelerator and a main compound. The upper part of the starting assembly is protected by a removable polyethylene cover (9), in order to prevent an accidental start of the generator.

DSPA 5 1 - body 2 - aerosol forming agent 3 - protective layer 4 - threaded bushing 5 - starting assembly 6 - handle 7 - slot nozzle 8 - cord 9 - protective cover 10 - insulation element

The generator is started by abruptly pulling the cord (away from the generator in a straight line). The decelerator that has now been ignited ensures a delay of 7-10 sec before the main compound is actuated. This delay is required to throw the generator into the room where the fire is located. After the main compound of the starting assembly has been actuated, ignition of the aerosol-forming agent occurs. When the starting assembly is actuated, a specific sound is heard. A small jet of smoke and a flame tip will come from a drain port on the metal housing of the assembly. Functioning of the generator is based on the inhibition of oxidation-reduction reactions of highly refined particles (aerosols) of salts and oxides of alkali and alkaline metals. These particles precipitate with the combustion of the aerosol-forming agent and remain in suspension for a long time. The process of high-temperature combustion of the solid agent that is located in the generator body causes the formation of fire extinguishing aerosols.

 

Click here to download the complete infosheet of DSPA 5 (100kb in pdf format).

 

 

 

DSPA 6 .

The Dry Sprinkler Powder Aerosol 6 generator is intended for operational application during localization and extinction of fire of class A and B, localization of fire of class A in closed spaces up to 300m³. They can also be used in rooms where cables, electric installations and electrical equipment in which the voltage is no higher than 40 kV have been installed.   Click here to download the complete infosheet of DSPA 6 (84kb in pdf format).

 

 

DSPA 8 .

The Dry Sprinkler Powder Aerosol 8 generators are intended for operational application during localization and extinction of fire of inflammable liquid (petrol, oil products, organic solvents, etc.) and solid materials (wood, insulation and plastic materials, etc.). They can also be used in rooms where electrical equipment in which the voltage is no higher than 40 kV has been installed.   Click here to download the complete infosheet of DSPA 8 (76kb in pdf format).

 

 

Note
Above-mentioned guidelines are the result of technical research, experience and the latest available information. No liability can be derived from them.

 

 

 

 

To request a demonstration and presentation of The DSPA, please enter the following information.

 

Note; The purpose of the presentation equipment is for evaluation to purchase. A demonstration may be withheld if incorrect information is entered, or if it is suspected the motives for accessing the demonstration are not genuine.

 

 

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