Alfafilter offers one of the world’s best solutions for the self-production of nitrogen.

The nitrogen generator is a modular system, which therefore can be easily increased as needed and with an optional integrated (O2) oxygen meter.

Alfafilter offers very economical nitrogen (N2) generators and systems from small generator units to large high-nitrogen plant which is suitable for very different applications.


Aircraft tires Inflation – Nitrogen is not flammable and dry. This combination has led to calls that all passenger aircraft tires regularly subject to severe operating conditions, must be filled with nitrogen to remove condensation/freezing at high altitude and to avoid accidents.

Air-powered tools/machines – Pneumatic tools and machines’ life depend largely on compressed air dryness. Since nitrogen has a superior dryness (dew point> 60 ° C) and then compressed air, with the use of nitrogen will be the life of the tools and machines significantly improved

Autoclave – in a composite treatment, a dry air autoclave under pressure with nitrogen gas and then internally heated. Specialized materials will bond or “cure” in an autoclave. The process is intended to produce specific properties in the coating raw materials such as lightweight with great strength or a specific type of stiffness. Materials with high strength and low weight are beneficial for many industries such as aerospace, automotive, and many others.

Bacteria elimination – The use of nitrogen instead of air which contains oxygen, creating so-called hypoxia, which prevents bacteria to survive. This prevents the organic forms of contamination with unwanted bacteria and prevents mold or mildew formation.

Beer frothing – When beer foamed using nitrogen produced the hordein-derived polypeptides that provide the most stable foam which gives the beer a mouthfeel and ‘creamy’ texture.

Drink Storage – use of nitrogen has been very commonly associated with preventing product oxidation and any enzyme or microbiological-related reaction. Nitrogen is a gas that is inert, odorless, does not dissolve, is not toxic, and reduces the use of additives.

Blanketing of Adhesive Curing – ovens in which self-adhesive compounds can be used in various bands can be purged with nitrogen materials whereby the appearance of poor adhesive bonds or hazardous atmospheres due to the chemicals used in the bonding process may be reduced.

Draining – The turbulence caused by the drain has the potential to interfere with a lot of air with the liquid to be bottled, which increases the risk of oxidation. The nitrogen acts to displace the oxygen and maintaining the liquid under the drain

Bright annealing – For maximum brightness during annealing, this application requires the addition of nitrogen in the oven. The higher the temperature in the oven, the higher the purity nitrogens be.

Carbon Fiber Curing – Small hardening facilities for materials such as metal, carbon fiber, Kevlar and other high strength fibers will be on-site nitrogen generators be the ideal solution.

Chemical plants – Nitrogen is used for inert filling the headspace of chemical storage or process tanks. Creating an oxygen-poor environment reduces risks and prevents explosive environments.

Coil Tubing – For your safety during maintenance or corrective treatments that have oil or natural gas to make the air has been replaced with inert nitrogen to prevent explosions.

Controlled atmosphere fruit storage – A typical storage system for fruit controlled atmosphere (CA) storage. In the CA-storage of oxygen and carbon dioxide content of the storage, the environment is controlled in such a manner as to retard aging and further deterioration of the fruit. The oxygen content is reduced by displacing oxygen with nitrogen.

Curing – facilities for the curing of materials such as metal, carbon fiber, Kevlar, and other high strength fibers can draw many benefits from on-site nitrogen generation.

Enhanced Oil Recovery – On pressurization of the oil well, an ideal gas is a nitrogen. It increases productivity and has no corrosive effect on the bore tube (as opposed to carbon dioxide).

Ethanol production / bio-fuels – Nitrogen is used to remove moisture while pressurizing, blanketing and inserting, and storage and holding tanks.

Explosive atmospheres – Checking gas/steam compared. Explosion hazards are often a necessity for chemical process safety. The safest way to prevent explosions is to displace oxygen with inert nitrogen.

Fire extinguishers – Powder extinguishers come in a variety of types and are suitable for a combination of Class A, B, and C fires. These are filled with foam or powder and pressurized with nitrogen.

Fire Prevention/suppression – Nitrogen is excellent fire prevention and fire suppression tool as it can reduce the oxygen concentration most efficiently on site.

Food industry – Nitrogen is an efficient and cost-effective manner, without the use of additives to stop bacterial growth, reduce oxidation, preserving the taste and consistency, extend product shelf life and improve the visual appeal of freshness.

Gassed injection molding – The principle of this method is that the nitrogen gas is injected during molding, either directly or through the inlet into the mold tool. In a controlled high pressure, This has the advantage to overcome sink marks or introduce a cavity without the need for any core

Prevention of explosions in grain silos – Grain dust in the oxygen-rich grain silos and grain elevators are very dangerous. Nitrogen is used to inert, eliminating the danger of an explosion.

Health & Beauty – oxygenation of the air will hurt commodities and different ingredients. Using nitrogen as inert, the risk of oxidation completely removed.

Heat treatment – heat treatment is controlled heating and cooling of metals to change their physical and mechanical properties without changing the shape of the product. To avoid any undesired oxidation during this process is subject oven and covered with nitrogen.

Inerting – displacing oxygen with nitrogen to prevent explosions and inhibits oxidation and this ensures safety and quality at the same time.

Jewelry manufacturing – If gold furnaces contain oxygen, the risk to discolor or weaken the product great. Therefore, the air in the furnace is advantageously displaced with nitrogen.

Kiln/grain drying – The extremely low dew point of nitrogen makes it an ideal choice for drying grain and oven, also very effective to inhibit microbial growth.

Laser Cutting – The advantages of nitrogen cutting are known for processing SS and aluminum. Today, with the new super-fast motion systems with rapid acceleration and deceleration, it is necessary to use nitrogen as cutting gas, even in mild steel to get the maximum efficiency from the laser cutting machine.

Laser welding – Nitrogen is used around the laser head to maintain the correct welding temperature and force oxygen and moisture out of the beam path, thus avoiding oxidation.

Unleaded soldering – The use of nitrogen expands the temperature window for the soldering process itself while providing more flexibility for the solder paste. In this way, the same temperature profile is used for various types of solder or solder paste.

Leak test – Nitrogen is used to detect leaks in various plumbing or piping applications. The gas is injected under pressure to control connections in brazing, welding, and threaded fittings.

Milk powder packaging – packaging of milk powder with the MAP system, increases its durability and prevents the product becomes rancid.

Mine fires – Reduction of the oxygen concentration with the help of nitrogen is an inhibition of primary and secondary combustion to prevent gas explosions while fire zones can be sealed.

Mining trucks tires Inflation – Compressed air containing oxygen and water vapor, therefore, causing tires higher temperatures, pressure variation, and corrosion of the deck. This results in increased wear of the tires. Due to the absence of moisture, the nitrogen-inflated tires not oxidizing and run cooler, leading to reduced corrosion and extended life.

Modified atmosphere packaging – Nitrogen is an efficient and cost-effective manner, without the use of additives can stop bacterial growth, reduce oxidation, preserving the taste and consistency, extend product shelf life and improve the visual appeal of freshness.

Offshore platforms – In offshore applications, air can be replaced with inert nitrogen to displace the oxygen to retard oxidation and inhibit any explosion or fire.

Oil extraction – Nitrogen is used to repressurize depleted oil wells. Inert nitrogen has a corrosive effect on the bore tube while it has advantages compared. Increased productivity.

Pharmaceutical products – the most common pharmaceutical applications are covering, inerting and sparging, to prevent oxidation and/or reduce flammability.

Drying of the pipeline – the extremely low dewpoint nitrogen makes it an ideal choice for drying the pipelines. As an added value feature, nitrogen completely inert thus delaying oxidation and prevent explosions.

The pipeline Inerting – Nitrogen is the preferred gas to displace oxygen retard oxidation, breaking a “burning triangle” and prevent explosions.

The pipeline Pigging – The use of nitrogen as an inert propellant to move the “pigs” through the pipeline during the execution of major maintenance or remedial treatments is the ideal solution.

Printing – High-speed printers require nitrogen for drying and to prevent oxygen contamination during film production and separation.

Refineries – Nitrogen is used to inert storage or process tanks and move products through pipelines to refineries. Nitrogen prevents hazardous or explosive environments.

Selective soldering – The advantage of using nitrogen in many solder applications is to slag reduced solder pots and surface tension is reduced making it possible to gauge interest.

Semiconductors – nitrogen of high purity used for inertion the component level manufacturers and semiconductor manufacturers.

Sintering – to form a coherent bonded mass by heating the metal powders, without melting the sintering process can be used. Oxygen which oxidizes the metal is replaced by nitrogen to produce an inert atmosphere during the sintering process.

SMT (Surface Mount Technologies) – Adding nitrogen to an SMT line provides benefits such as higher quality by eliminating the causes of cavities, with an economic cost and continuous operation.

Covering solvents – Solvents covered with nitrogen and stored in double-walled underground tanks with automatic control of leaks and levels.

Underbalanced drilling – Nitrogen is used as the circulating liquid medium to underbalanced drilling rigs to drill oil and gas wells, wherein the pressure of the wellbore is kept lower than the fluid pressure.

UV Hardening – Of very thin coatings such as some silicones can only be obtained if oxygen is excluded. Advantages are: treating a wide range of substrates, better chemical resistance and adhesion, faster curing rates, thinner coating, lower photoinitiator levels, increased production rates, reduced energy consumption, and more consistent curing.

Covering vessels – a coating of nitrogen over the surface of a stored commodity will prevent it from damaging the personnel, equipment, or the environment. It can prevent the liquid from evaporating into the atmosphere. It can reduce the ignition of a flammable or combustible liquid. Besides, it may simply prevent the oxidation of the product

Wave soldering – Eliminating the silver sludge (referred to as slag) covering the surface of the solder, the nitrogen used in soldering applications. It also reduces surface tension.

Wine – Nitrogen gas is commonly used in vineyards in different stages of production such as sparging, mulching, and flushing. This is to reduce enzymic oxidation, bacterial growth and preserve the wine from oxidation.