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Why Use an LPG Vaporizer: Detailed Overview

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07.05.2025

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LPG, or liquified petroleum gas, is one of the most efficient alternative energy sources widely used to replace natural gas across industrial, commercial, and residential applications.

However, LPG is stored in a liquid state under pressure, making it dense and easy to transport. Meanwhile, many applications require LP gas in its gaseous form for effective combustion and energy production. This is where an LPG vaporizer comes in.

What are LPG vaporizers used for? How do they function? And why is this equipment a must-have element of any LPG-based system?

What Is an LPG Vaporizer, and How Does It Work?

If you’ve ever considered “What is propane air mixer?”, you might come across LPG vaporizers. These are specialized devices designed to convert liquid gas into vapor by applying controlled heat. Without vaporizers, systems relying on LPG could face interruptions, especially in colder climates and high-demand scenarios where natural evaporation under normal temperatures isn’t sufficient. By providing the necessary thermal energy to sustain gas flow, these devices ensure uninterrupted operations in industries like manufacturing, agriculture, power generation, and hospitality.

The two main processes behind how LPG vaporizers work are heating and expansion. Here is a step-by-step process:

  1. The unit uses an external heat source, such as electric coils, water baths, or steam, to raise the temperature of the liquid LPG. The heat input is strictly controlled to prevent overheating.

  2. While absorbing heat, liquid LPG gradually undergoes a phase change and transforms into gas. This process is carefully managed to ensure a steady supply of gas without pressure fluctuations.

  3. After vaporization, the gas is supplied to downstream systems, such as burners, heaters, or industrial equipment, where it is combusted to produce energy.

So, what does an LPG vaporizer do? A quick answer is that it ensures the efficient, safe, and reliable delivery of vaporized LPG for various applications.

Types of LPG Vaporizers

Depending on the specific needs of an operation, different types of vaporizers are implemented, each having its unique features, advantages, and ideal applications.

Direct-fired vaporizers

This type relies on a direct flame as a heat source. A burner generates heat to further transfer it to liquid LPG inside the vaporizer chamber. The liquid absorbs the heat, transitioning into vapor. Such a simple and robust design is suitable for applications requiring large quantities of vaporized gas, such as crop drying, greenhouse heating, or industrial operations with high energy requirements.

Indirect-fired vaporizers

Using hot water or steam as the heat transfer medium, these vaporizers offer controlled and even heating for sensitive systems. Heated water or steam circulates through a heat exchanger, transferring thermal energy to the liquid LPG and ensuring smooth vaporization without abrupt temperature changes. This type of equipment is most common for petrochemical and industrial processes and large commercial operations like food processing.

Electric vaporizers

These are compact and efficient installations suitable for environments where space or fuel availability is limited. Using electric heating elements, these systems are designed for precision, with thermostatic controls ensuring consistent performance. Compact design, quiet operation, and low maintenance make an electric LPG vaporizer a match for residential and small-scale commercial setups or off-grid locations.

Synthetic natural gas (SNG) vaporizers

These vaporizers first convert LPG into vapor and then mix it with air in precise ratios to produce synthetic natural gas that can be further supplied to systems designed for natural gas use. Such equipment is employed in backup energy systems for natural gas-dependent industries.

Why Use an LPG Vaporizer?

While a vaporizer is primarily required to convert LPG back into its gaseous form, its effects extend beyond that. Valuable benefits of an LPG vaporizer above ensuring consistent gas supply include:

  • Enhanced energy efficiency: Vaporizer precision prevents unnecessary fuel loss and improves combustion efficiency, thus maximizing the performance of the whole system. 

  • Adaptability: These units come in various sizes and capacities, allowing them to adapt to operations ranging from small-scale businesses to heavy industries.

  • Overcoming environmental challenges: Cold weather and low temperatures can make LPG containers and cylinders freeze and halter vaporization. By ensuring external heat, vaporizes bypass this problem.

  • Improving safety: It’s one of the most important LPG vaporizer benefits. By controlling the phase transition of LPG, vaporizers prevent pressure fluctuations that could lead to hazardous situations, accidents, or equipment damage.

  • Long-term cost savings: Efficient combustion and consistent gas flow reduce strain on equipment, minimizing repair and replacement costs.

How to Use an LPG Vaporizer

Now that you know “What is an LPG vaporizer used for?”, you’ll want to learn how to use it to maximize the energy output.

  1. Thoroughly inspect the system to ensure the vaporizer and associated components are ready for safe operation.

  2. Place the vaporizer on a stable, level surface. Ensure it is located in a well-ventilated area away from flammable materials.

  3. Start the vaporizer by turning on the heating source, monitoring the pressure, and watching for any irregularities during the initial operation.

  4. Perform regular maintenance to keep the system efficient over time.

  5. Stick to safety protocols to avoid any accidents or potential hazards.

It is also important to learn what is propane and how to use it, as it is part of the LPG group.

Build Your Sustainable Energy System With I-Maximum

When it comes to building an efficient, reliable, and high-performance LPG-based energy system, choosing the right partner can make all the difference. I-Maximum stands out as a trusted helping hand in this realm. Whether you seek a unique LPG system tailored to your specific needs or update and maintain an existing installation, we’ll get you covered.

Not only do we deliver different types of LPG vaporizers to match varying user needs, but also we come up with turnkey solutions for LPG and SNG systems, embracing every step of the project. By leveraging cutting-edge technology, we turn complex requirements into advanced designs distinguished by consistent performance, cost efficiency, and operational safety. In addition, we provide full-scale LPG gas service, ensuring professional maintenance and emergency repairs.

With us, you’ll get the most out of the LPG gas potential.

Conclusion

An LPG vaporizer is not just a functional piece of equipment, it is a vital component in unlocking the full potential of LPG as a clean, reliable, and versatile energy source. Its role in ensuring seamless energy delivery is indispensable for both heavy industry and daily household use.

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Start saving - Install an alternative to Natural Gas - Synthetic Natural Gas (SNG)

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Advantages of SNG gas supply

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Economywith unstable natural gas and LNG markets
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SecurityIndependence from accidents on natural gas pipelines
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SpeedSwitching to SNG does not require replacement or adjustment of burners
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InvestmentsSNG system equipment is cheaper than LNG

most frequently asked questions

1

What is SNG, and where is it applied?

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Synthetic Natural Gas (SNG) is a gas obtained by blending air with any gas or gas mixture, having a calorific value equal to the calorific value of methane. Information on blending Liquefied Petroleum Gas (LPG) with air is presented on our website. SNG is used to replace natural gas in industrial enterprises, gas power plants, and is applied for the gasification of settlements (cities, districts, villages). SNG can also be referred to as gas containing methane (CH4), obtained through coal gasification. Bio-SNG can be called gas containing methane, obtained through biomass gasification or biogas recovered from landfills, but bio-SNG can also be referred to as gas obtained in the process of blending bio-LPG with air.
3

What is the cost of SNG system and how to choose the equipment?

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To select the appropriate equipment and estimate costs, four main parameters need to be considered: 1. Maximum flow of SNG or natural gas per hour in normal cubic meters (Q = ? Nm3/h or MMBTU/h). 2. Gas pressure at the connection point (P = ? from 0.035 to 10 bar or from 0.5 to 145 psi). 3. Required calorific value of the gas (heat of combustion), for example, for natural gas 8,900 kcal/m3 (1000 BTU/Cu.Ft.), but some facilities in the European Union may use nitrogen-enriched gas, and its calorific value may be 5,260 kcal/m3 (22.0 Mj/m3). 4. Propane and butane ratios in LPG gas, for example, 60% propane and 40% butane. 5. The installation costs of SNG systems are several times lower than the installation costs of LNG for industrial enterprises. Please leave us your request on our website with the above-mentioned parameters, and we will send you an offer for connecting the SNG system.
2

What is SNG blender (LPG Air Blender)?

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SNG-blender, is a device where LPG (liquefied petroleum gas) and air are automatically mixed under high pressure in the required ratio, producing SNG gas (synthetic natural gas) with properties similar to natural gas (NG). The SNG-blender is characterized by its precision, automated gas mixing process, and a broad range of adjustments for calorific value and pressure.
4

(BioLPG) BioPropan, bioDME - what is it? Can BioLPG be used for transportation?

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BioLPG, also known as BioPropan, is a type of gaseous fuel that is identical in composition and chemical properties to traditional liquefied petroleum gas (LPG) but is produced from organic materials or waste. The BioLPG production process may involve processing various organic raw materials such as sewage sludge, agricultural residues, sawmill waste, and even bioethanol or the synthesis of renewable hydrogen and carbon dioxide. Currently, BioLPG finds practical application in gas supply systems in the United Kingdom. One of the interesting technologies is the production of DME, which stands for dimethyl ether, a gas similar to propane. DME can serve as both a finished product and an intermediate raw material for the production of biopropane. Its main source of production is the dehydration of methanol. Various raw materials are used for production, including biomass, waste, wood, agricultural products, as well as fossil fuels such as gas and coal. DME can be blended with LPG in proportions of 20% for household purposes (heating and cooking) and 25% - 30% for transportation purposes.
1

What is SNG, and where is it applied?

Created with Pixso.
Synthetic Natural Gas (SNG) is a gas obtained by blending air with any gas or gas mixture, having a calorific value equal to the calorific value of methane. Information on blending Liquefied Petroleum Gas (LPG) with air is presented on our website. SNG is used to replace natural gas in industrial enterprises, gas power plants, and is applied for the gasification of settlements (cities, districts, villages). SNG can also be referred to as gas containing methane (CH4), obtained through coal gasification. Bio-SNG can be called gas containing methane, obtained through biomass gasification or biogas recovered from landfills, but bio-SNG can also be referred to as gas obtained in the process of blending bio-LPG with air.
2

What is SNG blender (LPG Air Blender)?

Created with Pixso.
SNG-blender, is a device where LPG (liquefied petroleum gas) and air are automatically mixed under high pressure in the required ratio, producing SNG gas (synthetic natural gas) with properties similar to natural gas (NG). The SNG-blender is characterized by its precision, automated gas mixing process, and a broad range of adjustments for calorific value and pressure.
3

What is the cost of SNG system and how to choose the equipment?

Created with Pixso.
To select the appropriate equipment and estimate costs, four main parameters need to be considered: 1. Maximum flow of SNG or natural gas per hour in normal cubic meters (Q = ? Nm3/h or MMBTU/h). 2. Gas pressure at the connection point (P = ? from 0.035 to 10 bar or from 0.5 to 145 psi). 3. Required calorific value of the gas (heat of combustion), for example, for natural gas 8,900 kcal/m3 (1000 BTU/Cu.Ft.), but some facilities in the European Union may use nitrogen-enriched gas, and its calorific value may be 5,260 kcal/m3 (22.0 Mj/m3). 4. Propane and butane ratios in LPG gas, for example, 60% propane and 40% butane. 5. The installation costs of SNG systems are several times lower than the installation costs of LNG for industrial enterprises. Please leave us your request on our website with the above-mentioned parameters, and we will send you an offer for connecting the SNG system.
4

(BioLPG) BioPropan, bioDME - what is it? Can BioLPG be used for transportation?

Created with Pixso.
BioLPG, also known as BioPropan, is a type of gaseous fuel that is identical in composition and chemical properties to traditional liquefied petroleum gas (LPG) but is produced from organic materials or waste. The BioLPG production process may involve processing various organic raw materials such as sewage sludge, agricultural residues, sawmill waste, and even bioethanol or the synthesis of renewable hydrogen and carbon dioxide. Currently, BioLPG finds practical application in gas supply systems in the United Kingdom. One of the interesting technologies is the production of DME, which stands for dimethyl ether, a gas similar to propane. DME can serve as both a finished product and an intermediate raw material for the production of biopropane. Its main source of production is the dehydration of methanol. Various raw materials are used for production, including biomass, waste, wood, agricultural products, as well as fossil fuels such as gas and coal. DME can be blended with LPG in proportions of 20% for household purposes (heating and cooking) and 25% - 30% for transportation purposes.

comparison of the exchange value of natural and liquefied gas in 2021-2023, €/MWh

The chart is based on TTF and Argus (daf Brest) quotes in 2021-2023.

TTF – The Title Transfer Facility, is a virtual trading point for natural gas in the Netherlands.
Argus (daf Brest) - daily quotes for liquefied gas prices on the Belarusian-Polish border

I-Maximum in numbers

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2020 years of engineering experience
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+500More than 500 installed LPG vaporizers
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+10More than 10 installed SNG mixers

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About I-Maximum Company

I-MAXIMUM - an engineering company that provides energy solutions for industrial LPG systems, Synthetic Natural Gas (SNG). Offers gas installation technologies for enriching biogas and biomethane. We specialize in the production and delivery of precise gas blending installations that effectively replace the use of coal, heating oil, gas, and other fuels at our clients' facilities. I-maximum gas equipment to the decarbonization of the industrial, heating, food, and many other sectors.

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Presentation of the new I-Maximum manufacturing plant - LPG systems engineering. Event on April 26, 2024 near Warsaw as part of the Gaseous Fuels Forum 2024. If you are interested in receiving videos of all presentations about gas equipment company I-MAXIMUM, please view the program of production presentations gas systems engineering company and fill out the subscription form at the following link: https://i-maximum.com/presentation2024 

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