Introduction

Industrial Boiler Systems for steam, hot water, and thermal oil applications, designed for industrial and commercial use. With advanced combustion technology, high efficiency, and low emissions,
Heat Temperature: 50°C-400°C
Structure: fire tube, water tube, coil heater
Design Type: Vertical or Horizontal configuration
Combustion Type: burner, chain grate, reciprocating grate, fluidized bed
Product: Oil Gas Boiler
WNS Series Oil & Gas Fired Boiler is a horizontal three-pass fire tube boiler designed for high efficiency and stable performance.
1. High Thermal Efficiency --- Adopts horizontal three-pass fire tube structure with large heating surface and optimized combustion chamber, achieving thermal efficiency up to 98–99%.
2. Low Emissions --- Equipped with advanced low-NOx burners to ensure clean combustion and compliance with environmental standards.
3. Fully Automatic Operation --- Integrated PLC control system enables automatic ignition, load adjustment, safety interlock, and fault alarm for convenient and reliable operation.
4. Energy-Saving Design --- Large diameter corrugated furnace and threaded smoke tubes enhance heat transfer, reducing fuel consumption and operating costs.
5. Safe & Reliable --- Multiple safety protections including over-pressure, over-temperature, flame failure detection, and water level protection ensure stable long-term operation.
6. Compact & Easy Installation --- Skid-mounted or packaged structure allows quick installation and simple maintenance.
Product: Vertical Diesel Gas Boiler
Model: steam generator, steam boiler, hot water boiler
Structure: water tube once through design, fire tube two pass design
Vertical boiler occupies minimal floor space and reduces installation area. Compact and efficient, it provides reliable steam or hot water supply with easy installation and fast start-up.
Product: Electric Boiler
Electric boiler uses electricity as the heat source to produce Hot Water/Steam by electric heating elements. Electrical energy is converted directly into heat and transferred to water inside the boiler.
No combustion, no flue gas, and no fuel storage, realizing clean operation and stable steam output, precise control and reliable safety protection.
Capacity: 9kw-7000kw, 13kg-10000kg
Structure: vertical, horizontal
Standard: normal, food-grade stainless steel
LDR Vertical Electric Steam Generator Boiler
Automatic operation, plug & play, easy installation, quick startup, small footprint, optional standard steel or stainless steel design.
WDR Horizontal Electric Boiler
WDR Electric Boiler is a fully automatic electric steam boiler with a horizontal design, offering clean operation, stable steam output, and high efficiency for industrial use.
Horizontal design provides larger capacity and more stable operation than vertical boilers.
Product: Coal Wood Biomass Boiler
Industrial Solid Fuel Boiler – designed for factory processes and power generation, providing reliable energy for heating, drying, and industrial applications.
Feeding system: manual, automatic
Structure: fire tube, water tube
Type: vertical, horizontal
Capacity: 0.1ton-80ton
LHS LSS Series Solid Fuel Boiler
Vertical coal biomass fired steam/hot water boiler, widely use in industrial heating system, small factory production heating drying, commercial laundry.
DZL DZW Series Coal Biomass Boiler
Automatic coal/biomass feeding system, high combustion efficiency for wood biomass. Optional chain gate, travelling grate, reciprocating grate stoker.
SZL Series Water Tube Boiler
Coal biomass fired water tube boiler with double drums. water membrane wall design boiler. larger combustion furnace. Combustion use chain grate or reciprocating grate stoker.
> Yuanda Factory
Yuanda Boiler Established in 1956, with decades of manufacturing experience in industrial boilers. Welcome to visit our factory !
Technical Parameter

| Gas Oil Fired Boiler Technical Parameter | ||||||
| Model | Rated capacity(t/h) | Rated pressure (Mpa) | Steam temperature(℃) | Feed water temperature(℃) | Thermal efficiency(%) | Boiler weigh(t) |
| LHS0.3 | 0.3 | 0.1mpa-3.8mpa | 100°C-450°C | 20°C/104°C | 90 | 1.2 |
| LHS0.5 | 0.5 | 91 | 1.7 | |||
| LHS0.5 | 0.5 | 91 | 1.7 | |||
| LHS0.7 | 0.7 | 91.3 | 2 | |||
| LHS0.7 | 0.7 | 91.3 | 2 | |||
| LHS1 | 1 | 92 | 2.6 | |||
| LHS2 | 2 | 96 | 6.3 | |||
| WNS0.5 | 0.5 | >98 | 3.5 | |||
| WNS1 | 1 | >98 | 5.5 | |||
| WNS2 | 2 | >98 | 8 | |||
| WNS3 | 3 | >98 | 10.7 | |||
| WNS4 | 4 | >98 | 11.6 | |||
| WNS6 | 6 | >98 | 17.5 | |||
| WNS8 | 8 | >98 | 22.5 | |||
| WNS10 | 10 | >98 | 26.8 | |||
| WNS15 | 15 | >98 | 35.2 | |||
| WNS20 | 20 | >98 | 45.5 | |||
| SZS10 | 10 | >98 | 36 | |||
| SZS15 | 15 | >98 | 45 | |||
| SZS20 | 20 | >98 | 52.6 | |||
| Note: Parameter is for reference only, if any changes should follow the factory technical data. | ||||||
Boiler Accessories

About us

Yuanda Products
steam boiler, steam generator, hot water boiler, thermal oil heater boiler, hot air furnace, waste incinerator.
Various Structure
vertical, horizontal, fire tube boiler, water tube boiler, coils heater boiler, water membrane wall structure, sing drum, double drum...
Application
widely in all industries productions heating drying process, building central heating system, electricity generation.
About us
Yuanda Boiler Company established in 1956, qualified by ISO, CE, ASME, EAC, DOSH, and CRN, ensuring safety, reliability, and quality.
One Stop Solution

We provide more than just a boiler — we deliver a complete and integrated heating system solution tailored to your industry.
From initial consultation to long-term technical support, our team ensures your boiler system operates safely, efficiently, and reliably.
✅ System Design & Engineering Support
Heat load calculation
Boiler model selection
Fuel analysis & recommendation
System layout design
Energy efficiency optimization
Our engineers customize every solution based on your production requirements and site conditions.
✅ Complete Boiler System Supply
Boiler unit (steam / hot water / thermal oil)
Combustion system
Pumps and water treatment system
Control cabinet (PLC optional)
Valves, pipelines & accessories
Safety protection devices
All components are professionally matched to ensure stable performance and long service life.
✅Pre-Installation & Factory Testing
Main components are assembled and tested before shipment, reducing installation time and minimizing on-site risks.
✅ Installation & Commissioning Support
Installation guidance
On-site or remote commissioning
Operator training
Performance testing
We make sure your system starts up smoothly and reaches optimal working conditions.
✅ After-Sales Service & Spare Parts
24/7 technical support
Spare parts supply
Maintenance guidance
Long-term operation assistance
We focus on building long-term partnerships with our clients worldwide.
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