Nitrogen Gas Cylinder

Nitrogen Gas Cylinder

Nitrogen Gas Cylinder: An Essential Resource for Various Applications


Nitrogen gas

Nitrogen gas is a versatile substance widely used in numerous industries due to its inert properties and abundance in the Earth’s atmosphere. To store and transport nitrogen gas safely and efficiently, nitrogen gas cylinders play a vital role. In this article, we will explore the features, sizes, colors, accessories, uses, and precautions associated with nitrogen gas cylinders. Additionally, we will delve into the application of nitrogen gas cylinders in food packaging, the concept of Food Grade Nitrogen Gas, the HSN code, and address some common FAQs.

Features of Nitrogen Gas

Nitrogen gas (N₂) is colorless, odorless, and tasteless, making it ideal for various applications. Its primary characteristic is its non-reactivity, as it does not readily combine with other substances. This inertness allows nitrogen gas to act as a protective atmosphere, preventing oxidation, degradation, and spoilage of sensitive materials.

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Nitrogen Gas Cylinder Size Chart

Nitrogen gas cylinders come in different sizes, catering to the diverse needs of users. Common sizes include 10 liters, 20 liters, 40 liters, and 50 liters. Larger cylinders are also available for industrial purposes, offering capacities of up to several hundred liters. The appropriate cylinder size depends on the specific requirements and volume of nitrogen gas needed.

Cylinder Size Capacity (liters)

10 liters 1,800 – 2,000

20 liters 3,600 – 4,000

50 liters 9,000 – 10,000

Note: The exact capacity may vary depending on the manufacturer and design.

Nitrogen Gas Cylinder Color

Nitrogen gas cylinders are typically color-coded to indicate their content and differentiate them from other gas cylinders. The standard color for nitrogen gas cylinders is black, as per industry standards. This color scheme ensures easy identification and enhances safety measures within workplaces where various gases are stored.

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Accessories for Nitrogen Gas Cylinders

Nitrogen gas cylinders often come with a range of accessories that enhance their usability and safety. These accessories ensure proper regulation of gas flow, enable convenient handling, and provide additional protection. Here are some common accessories associated with nitrogen gas cylinders:

Pressure Regulator

A pressure regulator is a vital accessory that allows users to control and maintain the desired pressure of nitrogen gas. It ensures a steady and consistent flow of gas, preventing any fluctuations that may impact the application.

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Flow Meter

A flow meter helps measure the rate of gas flow from the cylinder. It enables precise control over the amount of nitrogen gas being released, making it useful in applications that require accurate dosing or flow control.

Cylinder Trolley

A cylinder trolley or cart provides mobility and ease of transportation for nitrogen gas cylinders. It features a sturdy frame with wheels, allowing users to move the cylinder conveniently within a workspace or from one location to another.

Cylinder Valve

The cylinder valve acts as a primary control mechanism for releasing nitrogen gas from the cylinder. It is designed for secure operation, enabling users to open and close the cylinder safely and efficiently.

Safety Cap

A safety cap is a protective cover that fits over the cylinder valve when not in use. It helps prevent accidental gas leakage and keeps the valve clean and free from dust or contaminants.

Cylinder Bracket

A cylinder bracket provides a secure and stable mounting option for nitrogen gas cylinders. It ensures that the cylinder remains upright and prevents it from toppling over, reducing the risk of accidents or damage.

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Cylinder Lock

A cylinder lock is a security feature used to prevent unauthorized access to the cylinder and protect it from theft or misuse. It provides an additional layer of safety, especially in settings where cylinders are stored in public areas or shared spaces.

Safety Goggles and Gloves

While not specific to the cylinder itself, safety goggles and gloves are essential accessories for handling nitrogen gas cylinders. They provide personal protection against potential hazards, including contact with cryogenic temperatures or exposure to the gas.

Cylinder Labels and Markings

Proper labeling and markings on the cylinder are crucial for identification, ensuring that the gas contents and other relevant information are clearly visible. This helps users distinguish nitrogen gas cylinders from other gases and facilitates proper handling and storage.

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Cylinder Caps and Seals

Caps and seals are used to protect the cylinder valve and ensure its integrity during storage and transportation. They help maintain the gas purity and prevent any contamination or leakage.

Safety Data Sheets (SDS)

SDS provide important safety information, handling instructions, and emergency procedures related to the nitrogen gas being used. Although not an accessory per se, it is crucial to have access to the SDS to understand the properties and potential hazards associated with the gas.

Remember, it is essential to consult with a reputable supplier or manufacturer to determine the specific accessories required for your nitrogen gas cylinder based on your intended application and safety needs.

Uses of Nitrogen Gas

Nitrogen gas finds extensive utilization across diverse industries. It is commonly employed in pharmaceuticals, electronics manufacturing, metal fabrication, oil and gas, food and beverage, and automotive sectors. Nitrogen gas is utilized for purging pipelines, preventing explosions in confined spaces, flushing out moisture and contaminants, and preserving the freshness and quality of perishable products.

Nitrogen Gas Cylinder for Food Packaging

In the food industry, nitrogen gas cylinders play a crucial role in preserving the quality and extending the shelf life of various food products. Nitrogen gas is often employed in modified atmosphere packaging (MAP), where it displaces oxygen to create an oxygen-free environment. This technique helps prevent oxidation and the growth of spoilage-causing microorganisms, ensuring the freshness and safety of packaged food items.

Food Grade Nitrogen Gas

When it comes to food applications, it is essential to use Food Grade Nitrogen Gas. Food Grade Nitrogen Gas meets specific quality standards, ensuring its suitability for contact with consumable items. It undergoes rigorous purification processes to eliminate impurities and contaminants, guaranteeing the highest level of food safety and compliance with industry regulations.

Nitrogen Gas for Cooking

The use of nitrogen gas in the culinary world has gained popularity in recent years. Chefs often employ it for innovative techniques like flash-freezing, creating unique textures, and preserving the freshness of ingredients. Nitrogen gas enables the creation of nitrogen-infused beverages, ice creams, and delicate foams.

Nitrogen Gas Cylinder HSN Code

The Harmonized System of Nomenclature (HSN) code for nitrogen gas cylinders is 7311.00.10. This code is used for customs and taxation purposes, facilitating international trade and ensuring proper classification of the products during import and export procedures.

Things to Consider Before Buying a Nitrogen Gas Cylinder

Before purchasing a nitrogen gas cylinder, several factors should be taken into account. Firstly, assess the required volume of nitrogen gas and select an appropriate cylinder size accordingly. Consider the cylinder’s material and construction quality to ensure durability and reliability. Additionally, check for proper certification, safety features, and valve compatibility to ensure seamless integration with existing equipment or systems.


Is nitrogen gas flammable?

No, nitrogen gas is non-flammable. Its inert nature prevents it from participating in combustion reactions. However, it is essential to handle nitrogen gas with care to avoid asphyxiation risks in confined spaces.

Does nitrogen do anything to your voice?

No, nitrogen gas does not alter the sound or pitch of your voice. As an inert gas, it does not interact with the vocal cords or affect the vocal apparatus in any way.

Conclusion: Nitrogen gas cylinders provide a safe and reliable solution for storing and transporting nitrogen gas, catering to a wide range of industries and applications. Understanding the features, sizes, colors, accessories, uses, and precautions associated with nitrogen gas cylinders is crucial for effective utilization. Whether in food packaging or industrial settings, nitrogen gas cylinders ensure the preservation, safety, and efficiency of various processes, making them an indispensable resource for countless businesses worldwide.

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