low working pressure big volume commercial vertical hot water boiler for sale for apartment enterprises

$7,800.00 / Unit | 1 Unit (Min. Order)
Model Number:
- +
0piecesselected, US $in total
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Shipping fee:
Depends on the order quantity.
Lead Time:
20 day(s) after payment received
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Quick Details
New, New
1 year, 12 month
After-sales Service Provided:
Engineers available to service machinery overseas
Place of Origin:
Henan, China
Brand Name:
Natural Circulation
Hot Water
Fire Tube
gas and oil-fired
Low Pressure
Applicable Industries:
Hotels, Machinery Repair Shops, Energy & Mining
Key Selling Points:
After Warranty Service:
Field maintenance and repair service
Local Service Location:
Egypt, France, Russia, Argentina
Showroom Location:
Italy, Germany, Kenya
Type of boiler:
big volume boiler
Special Boiler Steel Plate
Thermal efficiency:
Rated thermal power:
0.7-14 MW
Rated working pressure:
1.0 MPa
Gas Fuel consumption:
Applicable fuel:
gas & diesel oil

Packaging & Delivery

Selling Units:
Single item
Single package size: 
640X680X700 cm
Single gross weight:
6700.0 kg
Package Type:
packed in wooden cases suitable for export
Lead Time :
Quantity(Units) 1 - 1 >1
Est. Time(days) 20 To be negotiated

villa office building school low working pressure big volume commercial vertical hot water boiler for sale for hospital

Product Description

Boiler adopts condensation technology without condenser, which can realize condensation inside the boiler. The lowest exhaust temperature can be less than 50, and the thermal efficiency can reach more than 104.4% (low temperature condition).

Product Advantages:

1. Pressure-bearing, but no need for quality inspection

2. Low exhaust air temperature, High heat transfer efficiency

3. Low NOx emission, Saving energy and environmental protection

4. High outlet water quality

5. Intelligent control, simple operation

6. Long life span

7. Convenient installation

8. Safety and reliability

 big boiler company price


Products Paremeter


Operating conditionsWater inlet/outlet temperature70℃/90℃Water inlet/outlet temperature 60℃/80℃
Thermal efficiency(%)Gas consumption(m³/h)Outlet smoke temperature(℃)Thermal efficiency(%)Gas consumption(m³/h)Outlet smoke temperature(℃)
perating conditions50℃/60℃
Thermal efficiency(%)Gas consumption(m³/h)Outlet smoke temperature(℃)Thermal efficiency(%)Gas consumption(m³/h)Outlet smoke temperature(℃)

commercial hot water boiler details:

v3,v6 boiler details

Product Process

First-class products need advanced production technology as base, Fangkuai boiler never stop striving for exploration and pursuit of advanced production technology, after decades of exploration by Fangkuai people, we have accumulated nearly 20 pieces of high-quality processing technology.



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Company Information

A:Fangkuai was established on January 8, 1998 with a registered capital of over 100 million RMB. We are a High-tech enterprise engaged in researching,manufacturing and selling clean fuel boiler and clean combustion boiler. We are Class A boiler manufacturer, one of the best boiler manufacturers with superior digital processing ability. We believe you can find our products in different countries and our success owes to the state-level R&D Center, Test Center and 140,000 square meters Production Base.

 company introduction.jpg




B:the unique all-condition laboratory in China; Qualification of Grade A boiler manufacturing; Qualification of first class boiler installation. Fangkuai has the greatest strength in boiler industry.  

boiler laboratory.jpg




C:Fangkuai has invested in a National center to research and test clean-fuel boiler and built a cooperation base of industry and school with Tsinghua University and Xi 'an Jiaotong university. Numerous practical tests settled into the most comprehensive data of boileroperation and innovative patented technology.

research department.jpg

Core Technology

A:Integrated Condensation Technology

The boiler structure has significant influence on thermal efficiency. Fangkuai explores a kind of one-piece structure which has greatly improved the boiler thermal efficiency.Fangkuai condensing technology is to use the efficient heat released by the exhaust smoke including sensible heat released by the smoke and latent heat released by the condensed steam, so as to improve the boiler's thermal efficiency.After numerous tests and experiments, Fangkuai has accumulated the industry's leading integration and condensation technology.

core technology 2

B:FGR technology

FGR technology is recycling a part of exhaust smoke(temperature of 150℃-350℃) back into the burner to complete secondary combustion along with a lower furnace temperature. Thus, NOx emission can be reduced to a great extent. In the process of boiler operating, the combustion process of natural gas changes all the time. Many elements can affect this process, such as gas quantity, FGR flue gas temperature, oxygen levels in the exhaust smoke, etc. Tiny changes of these factors will affect the NOx emission.Low emission has always been our research direction. The development and application of Fangkuai FGR technology can guarantee less than 30mg/Nm3 NOx emission for your boiler.

core technology 3


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