How does a gas steam boiler differ from an oil gas-fired boiler in the WNS series?

WNS series gas steam boilers are specially tuned for natural gas, while the oil or oil gas fired series utilize burners specifically designed for light oil, diesel, or heavy oil fuels.

Can a WNS series oil boiler run on both diesel oil and natural gas?

Yes, most units can be equipped with dual-fuel burners and advanced control systems, allowing them to alternate between diesel oil and natural gas based on operational needs.

What maintenance is required to keep a fired steam boiler operating at high thermal efficiency?

Maintenance should include cleaning flue gas passages and tubes to prevent soot accumulation, inspecting burner air-fuel ratios, and monitoring exhaust gas temperatures.

Is a WNS series horizontal fire tube boiler suitable for textile and wood processing industry applications?

Absolutely. They are widely used for dyeing, drying, and heating processes due to their high thermal efficiency, reliability, and compact horizontal design.

How do three-pass wet back designs and corrugated furnaces improve boiler performance?

The three-pass design increases convective heat transfer by routing gas through multiple passes, while the wet back configuration minimizes heat loss from the reversal chamber.

What safety and control features should I expect in a gas-fired steam boiler like the WNS series?

Safety features include automatic PLC modulation, water level and pressure interlocks, flame detection sensors, and emergency shutdown safety valves.

What method could I use to estimate the necessary boiler capacity?

Capacity is based on specific steam demand per product ton. We provide free sizing consultations to calculate the exact tonnage required for your facility.

WNS Oil Gas Steam Boiler

WNS Oil Gas Fired Steam Boiler – China Factory Horizontal Fire Tube Boiler

Q: What is a WNS series gas-fired steam boiler, and how does it work?

In essence, a WNS series gas-fired steam boiler is a horizontal fire tube boiler specifically engineered for generating steam through the combustion of gas or oil. It uses a three-pass wet back design and a corrugated furnace to effectively enhance heat transfer.

Horizontal Three-Pass Fire Tube Steam Boiler China Factory. High Efficiency Packaged Boiler for the Food Processing, Textile, Chemical and Pharmaceutical Industries.

ASME Certified

CE Certified

ISO 9001

Front View

Technical Parameters Series: WNS Horizontal

0.5-20 Capacity (t/h)

≥98% Efficiency

0.7-2.5 Pressure (MPa)

<30mg NOx Emission

PLC Smart Control

China Manufacturer

Premium Horizontal Fire Tube Steam Boiler

The WNS series oil gas steam boiler is our flagship horizontal fire tube boiler designed for industrial applications requiring reliable, high-efficiency steam generation. As a leading industrial steam boiler manufacturer in China, we engineered this 3-pass wet back boiler with patented technology to deliver exceptional performance and fuel economy.

This packaged steam boiler features a unique three-pass fire tube structure with wet back design that maximizes heat transfer efficiency. The large diameter corrugated furnace provides ample combustion space, ensuring complete fuel burning and low NOx emissions that meet strict environmental standards.

Key Features

Multi-Fuel Flexibility

Natural gas, LPG, diesel, heavy oil, & dual fuel.
Fast Assembly Design

Skid-mounted structure reduces install time by 50%.
Intelligent Control

Full automatic PLC system with remote monitoring.
Energy Recovery

Economizer boosts efficiency to 98%.

Why Choose Our WNS Steam Boiler?

98%

Thermal Efficiency

With Economizer

50+

Years Experience

Global Export

15-30

Days Delivery

Fast Shipping

Technical Data

WNS Oil Gas Steam Boiler Specifications

The complete technical specifications of our horizontal fire tube steam boiler series. Custom configurations are available for particular industrial requirements.

Performance Data Sheet

Model	Capacity (t/h)	Pressure (MPa)	Efficiency (%)	Gas Cons. (Nm³/h)	Oil Cons. (kg/h)	Steam Temp (°C)
WNS0.5-0.7-Y(Q)	0.5	0.7	92-98	35-40	32-38	170
WNS1-1.0-Y(Q)	1	1.0	92-98	70-80	64-76	184
WNS2-1.25-Y(Q)	2	1.25	92-98	140-160	128-152	194
WNS4-1.25-Y(Q)	4	1.25	92-98	280-320	256-304	194
WNS6-1.6-Y(Q)	6	1.6	92-98	420-480	384-456	204
WNS8-1.6-Y(Q)	8	1.6	92-98	560-640	512-608	204
WNS10-1.6-Y(Q)	10	1.6	92-98	700-800	640-760	204
WNS15-1.6-Y(Q)	15	1.6	92-98	1050-1200	960-1140	204
WNS20-2.5-Y(Q)	20	2.5	92-98	1400-1600	1280-1520	226

Core Advantages

Advanced Technology Features: What Sets Our WNS Gas Fired Steam Boiler Apart

Engineered with precision for maximum performance, dependability, and the lowest total cost of ownership.

3-Pass Wet Back Design

Superior heat transfer with full wet back reversal chamber. No refractory needed, longer service life, and lower maintenance costs compared to dry back designs.

Corrugated Furnace

Our patented corrugated furnace tube increases heating surface by 30%, improves thermal stress distribution, and enhances combustion stability.

Low NOx Burner System

FGR (Flue Gas Recirculation) technology achieves NOx emissions below 30mg/Nm³, meeting the strictest environmental regulations worldwide.

Intelligent PLC Control

Siemens/Schneider PLC with 10″ touchscreen. Features include auto-start sequence, modulating firing, remote monitoring via 4G/WiFi, and fault diagnosis.

Integrated Economizer

Optional flue gas economizer recovers waste heat to preheat feedwater, boosting overall efficiency from 92% to 98%.

Multi-Level Safety System

13 safety interlocks including flame failure, low water, over pressure, and emergency shutdown. Meets ASME, CE, and national safety standards.

Taiguo Boiler • WNS Series

WNS Oil Gas Steam Boiler Accessories

Complete collection of premium components for WNS horizontal fire-tube steam boilers. Precision-engineered for optimal performance.

98% Efficiency

10 Core Parts

CE Certified

80+ Countries

Combustion

Burner

燃烧器

NOx <30mg

Type Auto

Recovery

Economizer

省煤器

Eff. 98%

Drop -140°C

Control

Control Cabinet

电控柜

Sys PLC

Screen 7 Inch

Exhaust

Chimney

烟囱

Mat. SS316

Wall Double

Saving

Energy Saver

节能器

Rec. ≥85%

Save 3-5%

Pump

Feed Water Pump

给水泵

Type VFD

Press 2.5MPa

Backup

Backup Pump

备用泵

Cfg 1+1

Switch <3s

Sensor

Pressure Gauge

压力表

Rng 0-4MPa

Acc ±1.5%

Dist.

Steam Header

分汽缸

Ports 4-8

Max 2.5MPa

Water

Water Softener

软水器

Hard ≤0.03

Flow 50m³/h

Factory Direct Advantages

Why Select Us as Your Industrial Steam Boiler Manufacturer in China?

Directly from the factory (not a trading company), we provide notable benefits for international customers who want trustworthy industrial steam boilers.

Factory Direct Pricing – No Intermediaries

Purchase directly from our 60,000m² plant. Get a 15-30% price reduction compared to trading companies with clear factory-gate pricing.

ASME Certified Quality for Worldwide Market

We possess ASME CE EAC ISO 9001, and produce to ASME, EN, JIS, and GB standards depending on your needs.

Complete Customization Capability

Change voltage (380V/440V/480V), control systems (Siemens/Schneider), burner brands (Weishaupt/Riello/Baltur), and documentation language for your market.

Demonstrated Global Track Record

More than 5,000 boilers shipped to over 80 countries. Southeast Asia, Middle East, Africa, and Latin America reference customers available.

Wide After-Sales Service Network

Parts depots in UAE, Indonesia, and Mexico. 24/7 English tech support. IoT allows remote diagnostics ability.

Henan, China

Welcome to Taiguo Boiler Factory

Area: 60,000m²

50+ Years Experience

5,000+ Project Cases

80+ Countries Served

CE ASME Quality Certification

Industry Applications

Conventional Oil Fired Steam Boiler For Industry

Our WNS gas oil steam boilers are used to meet steam requirements of various branches of industry by providing tailor-made steam systems like:

Textile Mill & Dyeing

Steam: For printing, dyeing, drying processes

Food & Beverage

Steam: Sterilization, cooking, evaporation. Cleans air off of germsides

Pharmaceuticals

Clean steam for production & sterilization

Chemical

Process heating, reaction vessels

Garments Factory

Pressing, ironing, finishing processes

Paper & Printing

Pulp processing, paper drying

Hotel & Hospital

Laundry, HVAC, hot water supply

Rubber & Plastic

Vulcanization, mold-making, curing

WNS Oil Gas Steam Boiler FAQs

Reliable professional answers for your technical and operational inquiries.

A WNS series gas-fired steam boiler is a horizontal fire tube boiler engineered for generating steam through the combustion of gas or oil. It uses a three-pass wet back design and a corrugated furnace to effectively enhance heat transfer and lower flue gas temperatures.

WNS series gas steam boilers are specifically tuned for natural gas with matching burners, while the oil or oil-gas series feature burners for diesel or heavy oil. Gas-fired units generally offer cleaner combustion with lower emissions.

Yes, most WNS units can be manufactured as dual-fuel systems. With the appropriate burner and PLC control system, the boiler can alternate between diesel oil and natural gas depending on your fuel availability.

Regular maintenance consists of cleaning flue gas passages and smoke tubes to prevent soot buildup. It also involves inspecting the burner for the correct air-fuel ratio to guarantee peak thermal efficiency of up to 98%.

Yes, the WNS horizontal fire tube design is widely used in textile and wood processing for dyeing, drying, and heating. Its compact size and high efficiency make it an ideal choice for these production environments.

Wet back designs place the reversal chamber within the boiler water, which significantly enhances sealing, eliminates heavy refractory maintenance, and minimizes heat loss for better overall performance.

Expect full PLC automation with 13 levels of safety interlocks, including water level controls, pressure sensors, flame detection, and automatic emergency shutdown valves to meet ASME and CE standards.

Capacity is calculated based on your process’s steam consumption. We provide free professional sizing consultations to help you determine the exact tonnage needed for your production requirements.