Gas Fired Steam Boiler 99.9% Efficiency 25 Years lifetime

  • Gas fired steam boiler with low NOx and CO emissions
  • It is fine to work for 25 years with low maintenance requirements
  • Our gas boilers already have certificates such as CE certificates and A class licenses.


gas fired steam boiler system diagram

Yongxing Gas Fired Steam Boiler Certifications

  • Certificate
  • Biomass Steam Boiler Certificate 2
  • Biomass Steam Boiler Certificate 3
  • Biomass Steam Boiler Certificate 4

We Are Your Reliable Partner For Gas Fired Steam Boiler

Yongxing’s gas fired steam boiler is a factory direct product. With 40 years of boiler manufacturing history, 20 years of A-class boiler manufacturing experience, the gas boiler thermal efficiency could build up to 108%.
Our group focuses on thermal energy products and is committed to working with various university teams to develop and design more efficient gas fired steam boilers.
From 6kw to 720kw, we can customize our boilers to meet your requirements. Whether you require 100kg/h or 50000kg/h, we can fulfill your steam boiler needs.
Over the years, we have expanded our service offerings to over ten industries, including bio-chemicals, food processing, packaging machinery, garment ironing, and industrial support.
Especially in the year 2021, people pay more attention to the protection of the environment and the emission of harmful gases from boilers has become more stringent.
Yongxing recommends a low-nitrogen gas fired steam boiler for first-tier cities, with boiler nitrogen emissions less than 30mg/NM3.
Compared to conventional designs, low-NOx boilers are equipped with a standard condenser, making them more energy efficient overall.
Modular sliding control burner provides you with more precise temperature controls, more stable performance, and more flexible use.
Whether it is a power failure or emergency stop, we can protect the operation of gas fired steam boiler very well.
We look forward to your arrival and hope our boilers can help you replace traditional boilers and provide new thermal solutions to bring you greater profit.
To know  more, please read the page bottom FAQ guide.
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Welcome To Check Our Gas Fired Steam Boiler
  • You are welcome to visit any of our Gas Fired Steam Boiler projects.
  • We will drive you to Yongxing from Zhengzhou airport from where you are staying.
  • We will assist you during the whole Gas Fired Steam Boiler installation process.

Yongxing Gas Fired Steam Boiler Quality Control

gas fired steam boiler drums
Boiler Drum & Tube Plate
gas fired steam boiler wave furnace
Thread Pipes

Gas Fired Steam Boiler Definitive FAQ Guide

Gas-fired steam boilers are more productive than regular boilers as they are fuelled by propane or natural gas.

A gas boiler’s fuel is routed from an outside source directly connected to the boiler. Gas steam boilers are arranged according to how they distribute heat.

What Is Your Gas-Fired Steam Boiler?

The industrial natural gas-fuelled steam boiler is a high-efficiency heating system with a fully automatic control system. Aside from natural gas, the boiler may also burn various types of oil or gas fuel, like city gas, LPG, diesel, heavy oil, and so on.

Our boiler is an industrial gas-fired steam boiler, not a household boiler. Natural gas boilers get fuel from an underground network, while LPG boilers store gas in cylinders or bottles, which must be provided regularly.

A boiler furnace in a steam heating system warms up water with a gas or oil-fired burner and turns it into steam. The steam passes through pipes to convertors or radiators, which discharge heat and warm the room.

As the steam cools down, it precipitates again into the water and returns back to the boiler to be heated one more time.

Gas fired steam boilers have many advantages that are rarely discussed. Because they have few moving parts, they are more durable and reliable if appropriately maintained than newer, more sophisticated heating systems. They also produce dust-free and clean heat.

A few of these benefits are that gas boilers are generally less expensive to run and use. There are numerous manufacturers of gas boilers.

In most cases, gas is constantly available. Ample heating and hot water demands can be satisfied. Boiler replacements are typically straightforward. Condensing gas-fired steam boilers utilize less energy.

Is Your Boiler A Residential Gas Fired Steam Boiler?

It is possible that gas fired steam boilers are residential or industrial. A residential gas-fired steam boiler is a self-contained low-pressure apparatus. In most cases, these boilers provide hot water for space heating. They are typically powered by natural gas, propane, or home heating oil. And it has a heat input rate of less than 300,000 BTUs per hour.

A kettle framework warms the water inside a tank, giving either boiling water or steam that cruises via lines and radiators to offer heat.

Probably the most remarkable feature of gas-fired frameworks is high temperature water warming. In some more prominent and older industries and workshops, steam heating systems are often used.

Both hot water and steam heating systems are suitable for keeping your home heated during the cold winter months.

Burners are often built at the bottom of boilers that use fuel to generate heat. Gas is the standard fuel for boilers, and it is frequently pumped into the industry from pipelines under sidewalks and roads.

In rural areas where natural gas lines do not exist, the most common fuel is propane gas, stockpile in a large tank in the house’s yard. Propane is usually more expensive than natural gas.

You can use fuel or heating oil to heat residential boilers. Because natural gas and propane are less costly than gasoline or heating oil, they are appealing fuel options.

A residential steam boiler works by igniting a flame in water-filled tubes via a combustion reaction between fuel and air. The heat generated by the combustion is subsequently passed from the tube to the water in which the lines are immersed. The water is later turned into steam via the process of evaporation.

To read more, please go ahead to the bottom FAQ guide.

How Does Your Gas&Oil Fired Steam Boiler Work?

Natural gas, liquefied gas is burned in the gas fired steam boiler furnace, releasing heat and heating the moisture inside the boiler. Moisture changes from a liquid to a gas as it is heated and evaporated.

Energy from inside the furnace heats the water within the boiler barrel continuously. By heating the water in the boiler at constant pressure, water vapor is formed by becoming saturated with water and vaporizing.

In this case, the boiler is sealed, the boiling point of water increases with pressure, and the vaporized water expands inside the barrel of the pot to create thermodynamic force.

This is how a gas fired steam boiler works.

Assuming you see how a strain cooker functions, you can see how modern gas boilers work. In a tension cooker, the sealed top prevents steam delivered at 100 degrees Celsius from leaving or escaping.

Modern boilers work similarly to strain cookers, but with many more raised tensions. Modern boilers consist of thick, welded steel plates that can withstand pressures of over 30 psi.

Regardless of whether a high-temperature water evaporator or a steam kettle, any modern heater expects fuel to work appropriately. The warming system starts when the burner warms or dissipates the water held inside it. Complex line networks transport it.

Steam boilers use the pressure of the process to transport heat, whereas hot water boilers use pumps to disperse heat all through the system. At long last, the cooled water or focused steam advances back to the kettle framework through the lines, permitting the mending system to recommence.

As the gas heater creates nuclear power, a buildup known as vent gases is removed through a smokestack framework. Controlling modern kettle outflows is therefore essential.

Gas boilers operate by combustion, which involves the combustion of carbon-based fuel with oxygen to generate steam and carbon dioxide—exhaust gases that exit through a type of chimney known as a flue on the top or side.

gas fired steam boiler

How Much Does Your Gas Fired Steam Boiler Cost?

Gas boiler setups are much more costly than electric boiler setups; however, this might vary based on the intricacy of the project.

Gas fired steam boiler price are approximately 5,611 $US, with prices ranging between $3,014 $US and $8,228 $US. Price is mostly determined by efficiency and productivity, as well as the brand. A unit with 50,000 to 100,000 BTUs and an AFUE of 82 to 85 percent will cost around 2,000 $US to $3,000 $US.

Gas fired steam boiler can save you up to 230 $US on your yearly energy costs when appropriately utilized.

As a rule, gas boilers are more affordable to work with and utilize. Gas is up to four times cheaper per kilowatt-hour than electric.

Thus according to US witch, natural gas seems to be the most cost-effective option for customers, so putting a gas heater in your workshop may be less expensive in the long term.

gas fired steam boiler 2

What Models Do You Have For Gas Fired Steam Boiler?

Every industry requires some form of the boiler, but it can be difficult for the inexperienced buyer with so many choices.

This tutorial is meant to elaborate and explain what gas boilers are, how they vary from other boilers, and what functions they perform. We cover the following models of gas-fired steam boilers.

Gas Fired Steam Boiler Condensing Boilers

Nowadays, you will find condensing boilers in most industries and workshops. By using the boilers, you can collect the gas that comes from the combustion of fuels such as gasoline and oil. They can utilize it to heat water entering the system, saving money and lowering carbon emissions.

The flames would act on the water in the pipes but outlet the heat from the fire to the sky. This may be at temperatures higher than 200 °C, so that’s a considerable quantity of wasted energy.

gas fired steam boiler condensing steam boiler

Condensing boilers utilize the heat twice as effectively and efficiently.

First, the flame heats the water in the pipes, and then the water is transferred to the radiators, tank, or taps. The hot air and flue gases are then routed via a series of baffles, where they are routed around piped cold water flowing in the opposite direction. As a result, the cold water begins to heat up before it reaches the flames.

That means less heat energy – and thus less gas – is required to get the water up to operational temperature.

Boilers with condensers also have a higher efficiency than boilers without condensers. These are the most effective gas-fired steam boilers.

In general, gathering boilers tend to be powered by gas or oil, with a warm efficiency of about 98%.

Heat Only Boilers

These systems, also known as a conventional, regular, open vent, or classic boilers, heat water circulating throughout the central heating system. A separate circuit warms a hot water tank, warming the water in the tank.

The water tank is maintained by a cold water tank, commonly found in the loft and connected to the mains water supply. This was the type of boiler that was utilized in all industries before the 1970s.

They’re suitable for more prominent industries and workshops because they can run many apps simultaneously once the tank is full of warm water.

You can add electric components to the hot water tank to heat the water overnight when electric costs are lower or as a backup if the boiler fails.

Once the hot water is used up (for example, if someone takes a long bath), everyone has to wait for it to warm up again.

Gas Fired Steam Boiler System Boilers

The primary difference between heat-only boilers and system boilers is that the hot water tank is fed by mains water instead of water from a cold tank. Resultantly, they take up less area whereas offering the same limitations and benefits as heat-only systems.

We are here to explain a few models of gas-fired steam boilers.

Fire Tube Natural Gas Fired Steam Boiler

Integrated steam boiler automation controller consisting of an entire LCD screen and a man-machine interface. Users need to set up quickly.

Gas fired steam boiler has the ability to start and stop, load adjustment, automatic water supply, etc. The boiler is entirely operational, has complete protection. It is simple to operate, is safe and reliable, and has a self-diagnostic feature. In boiler operation, abnormal combustion is automatically terminated, and an audible alarm is generated.

Vertical Natural Gas Steam Boiler

  • Advanced design: The steam boiler uses the most complex three returns: wet back structures, thread smoke tube construction, and high-quality weld joints.
  • Reliable and safe: The steam boiler uses corrugated furnace lamps and multi-chain protection. Water level, steam pressure, and gas pressure are all protected. And, before leaving the factory, each boiler was subjected to a thorough examination and testing, including pressure tests and X-ray detection.
  • Enough heating space: A steam boiler’s distinctive design of an ample combustion chamber enhances the radiation heating furnace area, decreasing the size of the boiler and lowering NOX emissions.
  • High efficiency: with threaded pipe and highly effective insulating materials, heat transfer is increased, and boiler thermal efficiency is improved.
  • PLC intelligent controller: long-term operation of a boiler in a high temperature, high humidity environment.
  • High-quality steel: all boiler pressure components from just equipment are made meticulously in compliance with Chinese national norms and production requirements.
  • High-quality accessories: all burners, pumps, water level controllers, valves, and other supporting equipment from well-known worldwide or domestic companies.
  • Ease of maintenance: The maintenance hole and handhole are simple to clean.
  • Meet the needs of the customer: Various designs are available to meet the needs of the customer.

gas fired steam boiler system diagram

Fulton Gas Fired Steam Boiler

There are many brands of boilers, and one of them is Fulton. Our classic gas fired steam boiler have the same proven design as our Fulton gas-fired steam boilers, which includes the Flue Gas Enhancing (FGE) technology.

The FGE system is a highly efficient two-pass design that uses a vast heat transfer surface with high-velocity flue gases passing over a cylindrical grid of heat convection fins.

fulton gas fired steam boiler


Slant Fin Gas Fired Steam Boilers

This is also an industrial boiler. Slant/Fin natural gas boilers have a solid reputation in the heating sector for years of comfort, safety, and dependability. Slant/Fin high-efficiency boilers have the following characteristics:

  • Saving money – A computer-aided design heat exchanger maximizes heat transfer from the gas flame to the boiler water.
  • The standard hot water boiler control includes premium features such as low water cut-off, LED indication lights, and boiler-water temperature reset.
  • Stainless steel burners are quiet, light, and robust, and they are easy to remove for cleaning and service.
  • 25-year limited lifetime guarantee

Slant Fin Gas Fired Steam Boilers2

Peerless Gas Fired Steam Boilers

The Peerless commercial boiler incorporates gas-fired stainless steel condensing or precipitating boilers with inputs ranging from 399 to 1.5 M MBH. And the thermal efficiency ranges from 98 % to 98%.

All models are ENERGY STAR guaranteed! These cascade-ready boilers (PF-399 – PFC-460) have a condensate system with a 120V convenience outlet and built-in neutralizer. The larger sizes tend to use a shared vent.

How About Your Gas Fired Steam Boiler Efficiency?

Boiler efficiency can be calculated by calculating the ratio of hot water yield to energy information. Boiler effectiveness commonly fluctuates from more than 90% for excellent robust biomass fuel boilers to closer to 95% for petroleum gas terminated steam boilers and oil.

New boilers ought to have an AFUE pace of practically 80%, while high-productivity boilers should have 90 to 98.5 percent. If you own a high-effectiveness gaseous petrol boiler with an AFUE of 90 %, you should disengage roughly 364 $US each year.

Boiler efficiency ranges between 87 and 89 percent while igniting coal, relying on numerous aspects, such as coal properties. When a coal-fired boiler is converted to natural gas, its efficiency drops to 84-85 percent.

The combustion of hydrogen causes the most substantial change. This equates to a 4% heat loss when burning coal and an 11% heat loss when using natural gas. Other drawbacks, like dry gas loss, moisture in fuel, and unburned carbon, are lower when using natural gas than coal, by about 1% for each.

Because electric boilers use less energy, some people believe they are more energy-efficient. However, the effort needed to produce the electricity that powers these boilers is carbon-intensive, and resultantly, these boilers might emit more pollution than gas boilers.

electric steam boiler maintance

Electric steam boiler

The given main parameters may have an impact on the efficiency of gas-fired steam boilers.

In general, a boiler’s efficiency is maximized when it is used at 65-75 percent of the total capacity. When the boiler’s stress exceeds 50%, it must give extra air to burn all fuel, increasing heat losses. As a consequence, a boiler load below 50% is inefficient.

Stack gas temperature is an essential component that impacts the effectiveness of a gas boiler and should be checked and evaluated regularly. As the temperature of the stack gas rises, so does the efficiency of the boiler. Heat is expelled from the stack to the air when the stack gas temperature exceeds an adequate standard 20°C increase in temperature produces a 1% decrease in boiler efficiency.

Ignition air is a significant measurement or component in accomplishing complete burning in a boiler. To avoid unburned hydrocarbons, additional air is supplied into the steam boiler.

Controlling the various air ratios can help you conserve gas. Excess air ensures complete combustion but raises fuel consumption. A small amount of extra air allows hydrocarbons to flow to the stack and smoke to form.

Every 1% drop in stack gas oxygen levels leads to a 0.5 percent increase in inefficiency.

Heat losses are observed through the boiler’s surface since a gas boiler is hotter than its environment. The temperature differential and the separation of the boiler’s surface are used to compute the quantity of heat lost.

Energy loss is typically acknowledged to be 2-3% of the heat produced in the system. The Stefan-Boltzmann radiation law contributes to the understanding of radiant heat loss.

How Long Does Your Gas Fired Steam Boiler Last?

To address your problems, it is vital that your heating system is maintained in proper working order. Seeing how long your gas fired steam boiler is relied upon to suffer and to realize when it’s wiser to supplant it are both essential parts of keeping up with it. In the rundown underneath, you might decide how long your heater will endure.

A steam evaporator’s normal future is 20 to 30 years, accepting legitimate support strategies are followed. It would help to guarantee that your heater is properly maintained so that it would work for as long as possible. A few things you might do to broaden the existence of your evaporator are as per the following:

Make certain the work is done by a Gas Safe registered engineer. 

This is challenging and illicit for somebody who isn’t able and ready to deal with gas hardware like boilers. The advice of a talented expert will help you extend the life of your heater by avoiding errors that could lead to early replacement.

Decide to have a reliable heater 

You should guarantee that your boiler is the right size (as far as kW yield) for your endeavor. Using too little boiler will unreasonably stress the framework, resulting in a shorter lifespan and more flaws.

A unique heater, then again, may bring about high energy bills. If choosing an evaporator, you should look for the insight of being able to heat effectively.

Select a trustworthy framework

You may pick a gas heater that is proficient and solid. The absolute last thing you need is a heater that regularly fizzles.

It would be valuable if you led fixes quickly 

Deferring maintenance would make things difficult for yourself as well as your heater. You will not have high temp water or heat, and the state of your kettle might corrupt.

HomeServe bends over backward to take care of your warming necessities at the earliest opportunity, and our gifted specialists are accessible to assist you with an expert fix.

Timetable yearly assistance 

This is absolutely prompted for your evaporator’s well-being. Like your vehicle, your evaporator needs regular well-being checks to work securely and successfully. This arrangement may likewise help in distinguishing any worries that might cause actual harm later on. Most makers upheld guarantees expect you to orchestrate a yearly help as a feature of the agreements.

Watch out for the focal warming framework and focus on any surprising changes

You can typically tell when your warming framework isn’t working as expected. In case you notice any changes in how your kettle functions, you should contact a heating expert promptly so any dangers can be detected and corrected.

Final Thoughts

A gas fired steam boiler can readily heat a massive building while also producing steam to power your industrial activities – at high or low pressure. The natural gas steam boiler allows you to power your systems and processes, among other things.

Natural gas-powered industrial appliances and fixtures (boilers, dryers, stoves, and ovens) require less fuel than their electric and oil-powered counterparts. As a result, you save money. if you are looking for a boiler, then a gas fired steam boiler would be the cheapest option for you.


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