Fire Suppression Systems
Foam Suppression
Systems
Foam suppression systems are specialized fire protection systems that use foam to suppress or extinguish fires. These systems are particularly effective for flammable liquid fires, as the foam forms a blanket over the liquid surface, preventing the release of flammable vapors and suppressing the fire. Foam suppression systems are commonly used in industries such as petrochemical, oil and gas, and aviation, as well as in places where flammable liquids are stored or processed. The foam is typically generated from a mixture of water, foam concentrate, and air, and it can rapidly control and extinguish fires by smothering them and cooling the fuel surface.
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Bladder Tank
A foam bladder tank functions as a sizable vessel holding foam liquid concentrate and features a synthetic membrane resistant to corrosive foam agents. It is equipped with a foam proportioner. Depending on the location of the foam concentrate, it can be classified into:
- Internal membrane: The foam concentrate is enclosed within the membrane.
- External membrane: The foam concentrate is situated outside the membrane, directly in contact with the shell.
The foam bladder tank acts as a proportioning system through a straightforward mechanism: water from the network pressurizes the tank, pushing the foam concentrate to a venturi-type foam proportioner. In this component, the foam concentrate interacts with water, creating the foam mixture directed into the distribution network's pipe.
Proportioners
The proportioning device is installed into the mixer body of the bladder tank. It allows the maintenance of mixing accuracy within a wide flow-rate range. Water and foam cross sections change as the flow changes. This product is particularly indicated for foam sprinkler systems.
- Materials: Bronze and s.steel
- Max working pressure: 16 bar / 235 psi
- Foam inlet connection: Flange UNI PN16
The other option is an inline inductor, composed of a body made of aluminum (stainless steel, brass, and bronze on request) and can work with capacities of a min. of 200 lt/min, max. 800 lt/min. These capacities will remain, in any case, fixed and will be specified by customers at the moment of the order.
This inline inductor can be equipped with a ball valve able to change the % of the desired foam mixture (3%-6%).
High Expansion Foam Generators
The high expansion foam generator mod. FI-HEG is a static generator type that can produce large quantities of foam. For this reason, it is used for the saturation of large volumes of enclosed spaces.
- Body: Stainless Steel
- Riser: Carbon Steel
- Nozzles: Full Cone In Brass
- The Riser Can Be Installed In Any Position On The Four Axes
This high-expansion foam generator can be calibrated to deliver different capacities. All models are made of a case and a stainless steel mesh, while the riser with nozzles is made of painted carbon steel (stainless steel on request). They are typically fixed to the wall or ceiling of large enclosed spaces.
Medium Expansion Foam Generators and Nozzles
Medium expansion foam makers are characterized by an expansion ratio that can vary between 1:20 and 1:200 and find typical applications:
- in case of diffusion of flammable liquids (such as hydrocarbon)
- to cover containment basins
- emergency intervention in open spaces with portable branch pipes
Main medium expansion foam makers can be fixed or portable branch pipes and foam nozzles.
Low Expansion Foam Generators and Nozzles
Foam nozzle mod. FI-SK is used with low expansion foam, in particular in sprinkler systems that don't work only with water. The body is made of brass, and the capacity is calibrated each time on request.
- Spray Angle 100°
- Body Material: Brass
- ½” Gas Threaded Connection On Request Npt Threaded – ¾” Threaded – K Factor
Other Products in This Category;
- Foam Pourer
- Foam Chamber
- Low Expansion Foam Branchpipe
Industrial Fire Monitors
A fire monitor is a product known for its diverse maneuvering capabilities, falling into four primary categories: manual monitors, oil-hydraulically operated monitors, electrically operated monitors, and self-oscillating monitors.
Regardless of the type, all fire monitors consist of two main joints facilitating horizontal and vertical rotation.
The size of a fire monitor, along with its operating pressure, significantly impacts its capacity and range.
These monitors, varying in size, are commonly installed on vehicles, ships, and fixed locations, often equipped with branchpipes and nozzles.
Foam Concentrates
Firefighting foam concentrates (%1-%6) play a crucial role in fire suppression systems, offering effective control and extinguishing capabilities.
There are various types of foams, such as AFFF (Aqueous Film Forming Foam), AR-AFFF (Alcohol-Resistant Aqueous Film Forming Foam), and protein-based foams.
Each type is designed for specific applications, considering factors like the type of fuel involved. The mixing ratios of foam concentrates vary based on the type of foam and the intended use.
These foam concentrates are widely used in diverse settings, including industrial facilities, oil refineries, airports, and firefighting vehicles, providing an effective means of suppressing and extinguishing flammable liquid fires.
Main Applications
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