Air Boiler, Natural Circulation

This air boiler is published with the manufacturer’s full specification — material Special steel for boilers, type Natural Circulation. Made by Hunan Zhongxin Boiler Co., Ltd. (1 year on the platform, typical reply ≤1h). Send your target quantity and destination for a firm quotation with current lead times.

Key Features of This Air Boiler

• Material: Special steel for boilers
• Warranty: 1 Year
• Place Of Origin: Henan, China
• Application Field: Food Process /Textile Factory/Farm/Grain processing plant
• Type: Natural Circulation
• Marketing Type: Best-selling products

Technical Specifications

Product Details

Products Description

Overview:

1.Gas-fired hot air boilers have gained wide popularity due to their environmentally friendly features. These boilers utilize clean energy sources such as natural gas and liquefied gas as fuel. Through combustion, they generate heat energy, which is then transferred to the air through heat exchangers to produce high-temperature hot air. This type of hot air boiler not only has high energy utilization efficiency but also produces fewer pollutants during combustion, having a relatively small impact on the environment. Moreover, gas-fired hot air furnaces have high automation levels, are easy to operate, and are safe and reliable, making them suitable for various industrial production scales.

2.On the other hand, fuel-fired hot air boilers have a place in the market due to their powerful heat output and strong adaptability. Fuel-fired hot air boilers use fuels such as diesel and heavy oil, generating a large amount of heat energy through combustion, meeting the demand for high-temperature hot air in industrial production. These hot air boilers have the advantages of high heat efficiency, fast heating speed, and good thermal stability, especially suitable for production environments that require continuous and stable heat sources. At the same time, fuel-fired hot air boilers have a compact structure, small floor area, convenient installation and maintenance, providing users with a convenient usage experience.

Product Paramenters

ITEM	WRFseries oil & gas hot air boiler
Rated heat output(MW.h)	0.12	0.35	0.7	1.2	1.4	2.1	2.4	2.8	3.5
Applicable temperature(℃)	60-400									0.8	0.8	0.8	0.8	0.8	0.8	0.8
Working medium	Air									2.8	5	5.2	8.8	10.3	12	14.5
Design thermal efficiency (%)	86									13.5	17.5	27	39	45.6	59	68.5
Maximum transport weight of boiler (T)	1.2	2	3.7	5.5	6.6	8.2	11	14	16
Boiler size(Length mm)	2400	2400	3700	4500	5200	5600	6200	6700	6700
Boiler size(Width mm)	1200	1400	1700	2000	2100	2200	2300	2400	2600
Boiler size(Height mm)	1500	1800	2100	2300	2500	2600	2800	2900	3000
The data and images in the table are for reference only. Before conducting the prefabrication, booking and boiler room design,please contact us to confirm the relevant data.

Boiler Application

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Packaging Transportation

FAQ

1. how can we guarantee quality?
Always a pre-production sample before mass production;Always final Inspection before shipment;

2.what can you buy from us?
Steam boilers, hot water boilers, hot oil boilers. Gas boilers, oil-fired boilers, diesel boilers, coal-fired boilers, biomass
boilers. Industrial boilers, paper machine boilers, sugar factory boilers, printing industry boilers, food industry boilers, power plant boilers, textile factory boilers, clothing industry boilers, and so on.Steam boilers, hot water boilers, hot oil boilers. Gas boilers, oil-fired boilers, diesel boilers, coal-fired boilers, biomass boilers. Industrial boilers, paper machine boilers,sugar factory boilers, printing industry boilers, food industry boilers, power plant boilers, textile factory boilers, clothing ndustry boilers, and so on.

3. why should you buy from us not from other suppliers?
We have a passionate and professional team who offer 24-hour online service to answer your questions. We also have a comprehensive after-sales service system in place, aiming to ensure that you can purchase the boiler product that suits you best.

4. What is the service life of your boiler?
The typical design life of a boiler is 15 years. However, if it is operated correctly and maintained properly, the operating life
of the boiler will be much longer..

5.How many days will get boiler after payment?
Depending on the capacity of the boiler, the production and shipment usually take 10 to 45 days.

Ordering and Pricing

• Minimum order quantity: 1 set
• Volume pricing:
  • 1–1 set: US $2200 / set
  • 2+ set: US $2000 / set
• Ships from: China
• Customization: OEM and ODM accepted on qualifying volumes.

Frequently Asked Questions

What is the minimum order quantity for this air 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.

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 Hunan Zhongxin Boiler Co., Ltd., based in China. The company 1 years as a verified Alibaba.com supplier, Trading Company. Browse the full Hunan Zhongxin Boiler Co., Ltd. range on HVACR Nexus.

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