The steam boiler listed here carries material Q345R, type Natural Circulation, documented exactly as the manufacturer publishes it. For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Steam Boiler
- Steam Capacity: 0.5 1 1.5 2 3 4 5 6 8 10 12 15 20 Ton
- Material: Q345R
- Warranty: 1 Year
- Place Of Origin: Henan, China
- Application: food & beverage ,textile &garment,chemical, etc
- Type: Natural Circulation
Technical Specifications
| Output | Steam |
|---|---|
| Usage | Industrial |
| Fuel | natural gas, lpg,lng, cng,diesel, heavy oil |
| Pressure | Max. 2.5MPa |
| Structure | Fire Tube |
| Type | Natural Circulation |
| Material | Q345R |
| Core Components | Boiler main body |
| Key Selling Points | High-Accuracy, Automatic, Easy To Operate, High Safety Level, Remote Monitoring, Long Service Life, Patented Product, Energy Saving, Remote Control, Low Maintenance Cost, Accurate Temperature Control, Famous Brand PLC |
| Style | Horizontal |
| Warranty | 1 Year |
| Video Outgoing-Inspection | Provided |
| Machinery Test Report | Provided |
| Weight (Kg) | 10000 |
| Place Of Origin | Henan, China |
| Brand Name | Yuanda Boiler |
| Dimension(L*W*H) | Depends on Boiler Capacity |
| Steam Capacity | 0.5 1 1.5 2 3 4 5 6 8 10 12 15 20 Ton |
| Rated Working Pressure | 1.0Mpa 1.25Mpa 1.6Mpa 2.5Mpa |
| Thermal Efficiency | 92.5-99.8% |
| Using Life | 30 years |
| Comapny | boiler factory since 1956 |
| Application | food & beverage ,textile &garment,chemical, etc |
| Condition | New |
| Certificates | ASME CE EAC ISO |
| Selling Units | Single item |
| Single Volume | 0 cm³ |
| Single Gross Weight | 0.0 kg |
Product Details
Wns 1Ton 1.5Ton 2Ton 3Ton 4Ton 5Ton 6Ton 8Ton 10Ton 12Ton 15Ton 20Ton Industrial Natural Gas Heavy Oil Fired Steam Boiler
Yuanda WNS series oil/gas fired boiler adopts horizontal three-pass wet-back structure,large corrugated furnace and patented thread pipe technology,equipped with international first-level brand burners and valve groups,and independently developed high-matching PLC control system to realize muitiple linkages.The lock protection function protects the equipment running safely.It normally suitable for 500kg to 20ton/h capacity,use all kinds of gas and oil fuels,such as natural gas, lpg,lng,cng,city gas,biogas, diesel oil,heavy oil.
Boiler model:WNS
Boiler structure:Wet Back Fire Tube Three Pass
Rated Capacity:0.5-20 ton/hr
Rated Pressure:0.7/1.0/1.25/1.6/2.5 Mpa
Rated Temperature:170/184/194/204/225 C
Boiler fuel:natural gas, diesel, lpg,lng, cng, biogas, heavy oil,etc.




| Boiler model | WNS0.5 | WNS1 | WNS2 | WNS3 | WNS4 | WNS6 | WNS8 | WNS10 | WNS15 | WNS20 | |
| Rated steam capacity(ton/h) | 0.5 | 1 | 2 | 3 | 4 | 6 | 8 | 10 | 15 | 20 | |
| Rated steam pressure(Mpa) | 1.0/1.25/1.6/2.5 | ||||||||||
| Rated steam temperature(℃) | 184/194/204/226 | ||||||||||
| Feed water temperature(℃) | 20/105 | ||||||||||
| Thermal efficiency(%) | >98 | ||||||||||
| Exhaust gas temperature(℃) | <60 | ||||||||||
| Fuel Type | natural gas, lpg,diesel,biogas,heavy oil,city gas, etc. | ||||||||||
| Fuel consumption | Diesel(Kg/h) | 32.5 | 64.6 | 129.3 | 192.9 | 258.2 | 388.6 | 514.6 | 641.7 | 960.1 | 1276.2 |
| Natural gas( Nm³/h) | 35.7 | 70.1 | 140.3 | 212.1 | 283.4 | 424.2 | 566.3 | 707.8 | 1061.7 | 1415.8 | |
| Max transportation weight | 3.5 | 5.5 | 8.0 | 10.7 | 11.6 | 17.5 | 22.5 | 26.8 | 35.2 | 45.5 | |
| Notice: | 1.We can provide special soulutions according to the voltage/NOx emission/smoke emission temperature/Boiler pressure/output temperature requirements of different countries and areas. | ||||||||||
| 2. For place limited, we didnot list all models in the datasheet.You can contact us for more information. | |||||||||||










1. Nude packaging for boiler mian part and wood box packaging for boiler accessories.
2.Normally we use 20 flat rack container and 40 flat rack for the boielr main part and 20 container, 40container for boielr accessories.
3.All goods will be reforced after packing into containers.
4. We have stable shipping company to cooperate. They will confirm the safty of the goods.
5. Shipping way is different according to customer's country. Mostly by sea. Some country by train.




Pre-sale service:
1.Free boiler system solution for your project.
2.Free boiler operation cost solution.
3.Free Boiler room design.
On-sale Service:
1.Timely Feedback on Production Status of Boiler & Auxillary Equipment with pictures and vedio;
2.Cooperate with client or third-party testing agency to inspect goods;
3.Provide detailed delivery list and quantity&weight&dimension.
4.Arrange shipping with our stable cooperate shipping if client have need.
5.Provide a full set of boiler factory documents (shipped with the goods):
General drawing;Boiler body drawing;Installation drawings; Foundation drawings; Installation and operation instructions;Summary table of strength calculation of pressure components;Quality certificate and Inspection certificate.
After-sale Service:
1.One year warranty with lifelong service.
2.Provide engineer abroad installation and commissoning service.
3.Provide boiler operator training service.
4. Provide boiler repair and maintenance services.
5.Provide original parts service.


Henan Yuanda Boiler Corporation Ltd, established in 1956. It is one of the leading boiler manufacturers which first obtained China boiler manufacturing license. We have A Class boiler license, D Class pressure vessel license and boiler installation, commissioning & maintenance license. Our company participated in drafting several national boiler standards, and has more than 60 patents.We have ISO9001: 2015 Quality Management, ISO14001: 2015 Environmental Management, OHSAS18001:2007 Occupational Health And Safety Management System Certificates. In the past few years, we were awarded the "Civilized and Honest Enterprise" many times.we are a high-tech enterprise integrating R&D, manufacturing, sales and service.
We have ASME certificate for United states, Canada,Australia,Malaysia,Singapore,South Africa,etc; CE certificate for EU countries and EAC certificate for Russia, Uzbekistan, Kazakhstan, Kyrgyzstan,etc. Till now, our products have exported to 130+ countries all around the world. Our projects cover a variety of industries,such as food & beverage factory, textile & garment factory, chemical factory, Paper & packaging factory,hospitals, hotels,etc.
For more than 60 years, our company is committed to R&D and production of low-nitrogen, energy saving and intelligent boilers. We have the independent intellectual property rights of the boiler internet of Things DCS Data System. We Consists of special business Dept including technology center, manufacturing center, intelligent automation control center, engineering installation & maintenance service center, worldwide marketing center,and contract energy management center. Among them, our engineers has serviced 50+ countries abroad.
Our company keep the business philosophy of "Quality Oriented, Sincerity Promoted" to create greater value for customers and make greater contributions to the society.
Company Target : Be Century-old Enterprise, Create International Brand!





Ordering and Pricing
- Minimum order quantity: 1 set
- Volume pricing:
- 1+ set: US $4500 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this steam boiler?
The standard minimum order quantity is 1 set. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this steam boiler carry?
It is supplied with ASME CE EAC ISO documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Henan Yuanda Boiler Corporation Ltd., based in China. The company 16 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Henan Yuanda Boiler Corporation Ltd. range on HVACR Nexus.
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