China Gas Steam Boiler Manufacturers, Suppliers, Factory - Gas Steam Boiler Made in China

Your Professional Gas Steam Boiler Supplier！

Xinxiang Chengde Energy Technology Equipment Co.,with one equipment industrial park and three manufacturing bases, The company was founded in 2002 and began to grow and develop in 2006. Since then, it has successively obtained A2 level pressure vessel manufacturing license, pressure vessel design license, pressure pipeline design license, and pressure pipeline installation license.Boiler products are mainly used in power plants, industrial production, civil and commercial buildings, ship transportation, as well as specific industries such as petrochemicals, textile printing and dyeing, food processing, etc.

Natural Gas Steam Boiler
The WNS series gas (oil) boilers feature a shell-type, fully wet-back, three-pass flue tube structure. The overall wet-back design and flanged butt joint connection ensure excellent pressure

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LPG Gas Steam Boiler
Liquefied petroleum gas steam boiler is a steam generation equipment that uses liquefied petroleum gas (mainly composed of propane and butane) as fuel. Its core working principle and basic structure

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Water Tube Gas Steam Boiler
The heating surface of the boiler is composed of a large number of water pipes. Water flows inside these pipes and is heated, while high-temperature flue gas flushes outside the pipes, transferring

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Low Nitrogen Gas Steam Boiler
Low-nitrogen technology: To achieve low nitrogen emissions, the combustion chamber of low-nitrogen boilers adopts a large-volume design, significantly reducing the volumetric heat load of the

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Horizontal Gas Steam Boiler
Horizontal gas-fired steam boilers are highly efficient industrial heating devices that can use natural gas, liquefied petroleum gas, or fuel oil.

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Why Choose Us

Manufacturing Capacity

With four manufacturing bases, 69,000㎡ standardized workshops, and more than 300 advanced production machines, we support stable large-scale production and efficient project delivery.

Certified Quality

We hold multiple international certifications, including ASME and CE, along with pressure vessel and pressure pipeline licenses. Our quality management system and product testing capabilities help customers meet strict regulatory and project requirements in global markets.

Professional Team

Our experienced engineering and technical teams provide professional support throughout the project process, from product selection to technical solutions and after-sales service.

Sales Market

Our products are supplied to more than 70 countries and regions, covering industries such as energy, petrochemical, transportation, and industrial manufacturing.

Overview of Gas Steam Boiler

A gas steam boiler is a pressurized heating system that burns natural gas or propane to heat water into steam, which is then used for space heating or industrial processes. These systems are highly efficient for commercial, residential, and manufacturing applications, providing clean, reliable heat via high-pressure vessels.

Product Specification

We offers the following product specifications：

Model	Rated Evaporating Capacity (t/h)	Rated Working Pressure (MPa)	Saturated Steam Temperature (℃)	Thermal Efficiency (%)	Natural gas Consumption (N'm³/h)	Maximum Transportation Weight (t)
WNS0.5-1.0-YQ	0.5	1	184	93-100	30-35	3-4.5
WNS1-1.0-YQ	1	1	184	93-100	60-70	6-8
WNS2-1.0-YQ	2	1	184	93-100	120-140	9-12
WNS3-1.25-YQ	3	1.25	194	93-100	180-210	13-16
WNS4-1.25-YQ	4	1.25	194	93-100	240-280	16-20
WNS6-1.6-YQ	6	1.6	204	93-100	360-420	22-28
WNS8-1.6-YQ	8	1.6	204	93-100	480-560	28-35
WNS10-1.6-YQ	10	1.6	204	93-100	600-700	35-45
WNS12-1.6-YQ	12	1.6	204	93-100	720-840	40-50
WNS15-1.6-YQ	15	1.6	204	93-100	900-1050	50-65+
WNS20-1.6-YQ	20	1.6	204	93-100	1200-1400	65-85+

Product advantages

More energy efficient

Gas steam boilers can convert over 80% of their fuel to usable heat. This makes them more efficient than electric or oil boilers.

Lower operating costs

With gas prices being lower than electricity and oil, gas steam boilers have much lower fuel costs. This saves significantly on monthly heating bills.

Available in range of BTU outputs

Gas steam boilers come in a wide range of BTU outputs from 40,000 to 1.5 million. This makes it easy to find a unit matched to your building’s specific heating needs. A 150,000 BTU gas steam boiler would be ideal for a large commercial space.

Compact size

Even large, high BTU output gas steam boilers have a compact footprint. This saves on space requirements.

Easy installation and maintenance

Gas steam boilers can be installed more quickly than electric or oil units. They also have less maintenance needs overall.

Lower emissions

Gas steam boilers produce fewer emissions than oil or coal units. This makes them a more environmentally friendly option.

Application

Power Generation: Gas-fired boilers are integral to combined cycle power plants, where they produce steam that drives turbines. This setup offers high efficiency and lower emissions compared to coal plants.

Industrial Manufacturing: Manufacturing sectors such as chemicals, textiles, and paper rely heavily on steam for processing and cleaning. Gas-fired boilers provide a steady, controllable heat source.

District Heating: Urban areas are increasingly using gas-fired boilers for district heating systems, providing hot water and steam to residential and commercial buildings. This centralized approach reduces individual building emissions and simplifies maintenance.

Food and Beverage Processing: Steam is essential in food processing for sterilization, cooking, and cleaning. Gas-fired boilers are favored for their quick startup times and precise control.

Healthcare and Pharmaceutical Industries: Steam sterilization is critical in hospitals and pharmaceutical manufacturing. Gas-fired boilers provide a reliable source of sterilized steam, ensuring safety and compliance.

Materials And Components

Boiler Body/Vessel: Typically made of thick carbon steel plates (e.g., DIN 17155 or DIN 17135) that can withstand immense internal pressure and high-temperature corrosion.

Heat Exchanger

Cast Iron: Highly durable and resistant to corrosion, often used in residential units.
Stainless Steel: Commonly found in modern condensing gas boilers due to high corrosion resistance.
Aluminum: Sometimes used for high efficiency and lightweight, although less robust than steel or iron.

Tubes (Fire Tube Boilers): Usually manufactured as seamless steel tubes to provide structural integrity against pressure.

Insulation: The outer shell is insulated with mineral wool or ceramic fiber to minimize heat loss.

Precautions

Proper maintenance is very important to maximize the lifespan and safety of your steam boiler system. Regular inspection, cleaning, and monitoring prevent breakdowns and improve efficiency.

Check safety valves and pressure gauges frequently.

Conduct annual inspections for scaling and corrosion.

Maintain correct water levels to avoid overheating.

Use high-quality feedwater to prevent deposits and rust.

Schedule professional servicing as per manufacturer guidelines.

Other Services

All of our machines will be fully checked by our quality control department before the shipment. We guarantee all of our machines have a one-year warranty (quick-wear parts not included).
Training details: Operation principles, system, and structure, safety and maintenance, software processing technique, etc.
Numerous feedback from our clients have proven that our machines are stable in performance with rare malfunction. However, we would like to handle it as follows once malfunction occurs:
a. We guarantee that we will give you a clear reply within 24 hours.
b. Customer service staff will assist you in analyzing the malfunction to locate the cause.
c. If the malfunction is caused by improper operation of software and other soft faults, we will help solve the problem online.
d. We will offer plenty of online support, like detailed technical and installation instructions via email, video, and telephone.

Package & Delivery

Package: Standard export package or Custom
Delivery: By air express, by sea

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FAQ

Q: What types of gas steam boilers do you offer?

A: We offer a wide range of gas-fired steam boilers, including fire-tube and water-tube designs, suitable for industrial, commercial, and institutional applications. Custom capacities and configurations are available.

Q: What is the typical steam output range of your boilers?

A: Our boilers provide steam capacities ranging from 0.5 to 20 tons per hour, covering small-scale plants to large industrial operations.

Q: What fuel types are compatible with your boilers?

A: Our boilers are designed to operate with natural gas, liquefied petroleum gas (LPG), and biogas, with optional multi-fuel configurations for operational flexibility.

Q: What is the maximum working pressure?

A: Standard models operate up to 16 bar, while high-pressure designs can be customized up to 25 bar, depending on the industrial application requirements.

Q: What efficiency standards do your boilers meet?

A: Our boilers are designed to achieve thermal efficiencies up to 95%, complying with international standards such as EN 12952, ASME, and ISO 9001 for energy-efficient performance.

Q: What safety features are included?

A: All boilers are equipped with automatic water level control, pressure relief valves, flame failure protection, low-water cutoffs, and emergency shutdown systems to ensure safe operation.

Q: Are your boilers compliant with international certifications?

A: Yes, our gas steam boilers meet CE, ASME, and ISO 9001 standards and can be designed to comply with local boiler codes for Europe, North America, or other regions.

Q: What is the typical operating temperature range?

A: Steam temperature can reach up to 180 °C for low-pressure applications and higher temperatures for customized high-pressure systems. Ambient operating conditions are considered for optimal safety and performance.

Q: How is the boiler controlled and monitored?

A: Boilers are equipped with digital control panels or PLC systems, enabling precise temperature and pressure control, automated startup/shutdown, and integration with building or plant management systems.

Q: What are the main applications of gas steam boilers?

A: Common applications include food processing, chemical manufacturing, textile and garment production, hospitals, hotels, paper mills, and sterilization processes.

Q: What is the expected service life of your boilers?

A: With proper operation and routine maintenance, our gas steam boilers have a service life of 15–25 years, depending on usage intensity and water quality.

Q: How energy-efficient is a gas-fired steam boiler compared to coal or oil-fired boilers?

A: Gas-fired boilers offer higher thermal efficiency, cleaner combustion with lower emissions, reduced maintenance, and faster startup times, making them ideal for environmentally-conscious operations.

Q: What kind of maintenance is required?

A: Regular maintenance includes inspection and cleaning of burners, heat exchangers, pressure vessels, safety valves, and water treatment to prevent scale and corrosion.

Q: Can your boilers be customized for large industrial plants?

A: Yes, we provide modular designs and multiple-boiler configurations to meet high-capacity steam requirements while maintaining efficiency and safety.

Q: What are the environmental advantages of gas steam boilers?

A: Gas boilers produce lower NOx, CO, and particulate emissions compared to coal or oil-fired systems. Combined with high-efficiency designs, they reduce fuel consumption and environmental impact while ensuring reliable steam supply.

With over 20 years' experience, we are one of the most reliable gas steam boiler manufacturers and suppliers in China. Please feel free to buy durable gas steam boiler made in China here from our factory. Welcome to view our website for more information.

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