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We offer compressed nitrogen gas and liquid nitrogen N 2 in a variety of purities and concentrations. See the chart below and download the spec sheets and safety data sheets for more information on buying liquid nitrogen and nitrogen gas from Praxair. At Praxair, we develop the right grades for the right applications. Give us a call and we'll help you determine the best supply option for your operations.
Nitrogen is used to prevent oxidation of the metal during the 3-D printing process. Nitrogen has the advantage of being lower cost than other alternatives and is suitable for processing less reactive materials. Nitrogen can also be used as part of recycle loop for more expensive gases such as argon or helium.
Nitrogen is also used as an assist gas for laser cutting applications. Autoclave Inerting Heat Treating. Assembly plants, tier 1s and tier 2s use nitrogen in combination with other welding gases to weld auto parts, frames, mufflers and other components because of its ability to provide the necessary atmosphere needed to produce adequate welds with any material.
Heat Treating Parts Manufacturing. Used as a pressurizing gas, nitrogen can help propel liquids through pipelines. It is also used to shield oxygen-sensitive materials from the air and to remove volatile organic chemicals from process streams. As an inert industrial gas, nitrogen is used as a blanketing agent to separate sensitive products and processes from air. It is also used as a purging agent in piping and equipment to prevent contamination. Nitrogen is a key cryogenic agent in cooling, chilling and food freezing.
Because of its extremely cold temperatures, immersion freezing in liquid nitrogen is the fastest freezing method known for producing Individually Quick Frozen IQF foods. Nitrogen also plays a key role in reducing spoilage, discoloration and off—flavors, giving strength to retail packaging. Nitrogen NF is used as a cryogen to freeze and preserve blood, tissue, and other biological specimens, and to freeze and destroy diseased tissue in cryosurgery and dermatology.
It is also used to power medical devices. A carrier and purge gas in steel production, nitrogen is used to prevent oxidation and is a key component in the heat-treating process. The oil and natural gas industry utilizes nitrogen to increase reservoir reserves and fracture hydrocarbon-bearing formations to significantly increase the production of oil and gas, and to improve operating efficiency. Gaseous nitrogen is commonly used for purging, pressure transferring, mixing and blanketing — protecting a process from moisture intrusion, oxidation, degradation and contamination.
Cryogenic liquid nitrogen is used to control the temperature in reactor cooling applications and to preserve biological samples. An industrial gas used to blanket storage tanks and purge pipelines, nitrogen can also strip Volatile Organic Compounds VOCs from chemical process streams and wastewater, and reduce VOC emissions.
In stainless steel tube welding, nitrogen is used as a purge gas. It is also used as an assist gas for laser cutting, and enhances plasma cutting. Cutting Processes Welding Processes. Diving Electronics Glass Laboratories. For smaller, more specialized applications, we offer nitrogen in high-pressure gas cylinders or liquid nitrogen dewars in a variety of sizes.
Our bulk gas and liquid delivery systems offer a full range of purities and nitrogen tank sizes, for your supply needs. We also offer Microbulk gas delivery as an alternative to cylinders. Our pipeline supply systems offer flexibility, economy and extraordinarily reliable supply for customers who consume very large volumes of nitrogen gas each day.
If you require very large volumes of high-purity liquid nitrogen or nitrogen gas our on-site cryogenic air separation plants are a viable supply source for you. Our plants are efficient, reliable and cost-effective at any required pressure and purity level. Our fleet of mobile nitrogen pump trucks and tube trailers deliver a continuous, dedicated supply of At Praxair, our scale and reach lets us supply any gas, for any application, almost anywhere in the world — safely, reliably and cost-effectively.
Send a question or comment. Additive Manufacturing 3D Printing Nitrogen is used to prevent oxidation of the metal during the 3-D printing process. Chemicals Used as a pressurizing gas, nitrogen can help propel liquids through pipelines.
Energy As an inert industrial gas, nitrogen is used as a blanketing agent to separate sensitive products and processes from air. Healthcare Nitrogen NF is used as a cryogen to freeze and preserve blood, tissue, and other biological specimens, and to freeze and destroy diseased tissue in cryosurgery and dermatology. Metal Production A carrier and purge gas in steel production, nitrogen is used to prevent oxidation and is a key component in the heat-treating process.
Oil and Gas The oil and natural gas industry utilizes nitrogen to increase reservoir reserves and fracture hydrocarbon-bearing formations to significantly increase the production of oil and gas, and to improve operating efficiency. Pharmaceuticals and Biotechnology Gaseous nitrogen is commonly used for purging, pressure transferring, mixing and blanketing — protecting a process from moisture intrusion, oxidation, degradation and contamination. Refining An industrial gas used to blanket storage tanks and purge pipelines, nitrogen can also strip Volatile Organic Compounds VOCs from chemical process streams and wastewater, and reduce VOC emissions.
Welding and Metal Fabrication In stainless steel tube welding, nitrogen is used as a purge gas. Explore other industries that use this gas.
Pipeline Our pipeline supply systems offer flexibility, economy and extraordinarily reliable supply for customers who consume very large volumes of nitrogen gas each day.
On-Site Production If you require very large volumes of high-purity liquid nitrogen or nitrogen gas our on-site cryogenic air separation plants are a viable supply source for you. Mobile Nitrogen Pumping Service Our fleet of mobile nitrogen pump trucks and tube trailers deliver a continuous, dedicated supply of Buy Online Find the right welding and specialty gas equipment, supplies and information.