ASME
  • Gas(Oil) Fired Water Tube Steam Boiler

Condensing pressure hot water boiler-i7

The ​​Fangkuai I7 Series Hot Water Boiler​​ leverages FIR flue gas recirculation technology to achieve ultra-low NOx emissions (≤30mg/Nm³) and industry-leading combustion efficiency. Its compact, space-saving design incorporates winged tube heat exchangers for rapid heat transfer, while corrosion-resistant silicon-aluminum alloy components ensure durability in harsh environments. Advanced digital controls, including automated safety protocols and password protection, guarantee reliable operation with minimal maintenance.

Ideal for commercial, industrial, and residential applications, this hot water boiler reduces fuel consumption and operational costs through energy recovery technology. With a 40% smaller footprint and compliance with strict environmental standards, the I7 Series delivers eco-friendly heating without compromising performance—perfect for facilities prioritizing sustainability and cost-efficiency.

  • Product price: $59800-$236000
  • Rated thermal power: 4.2MW-14MW
  • Rated thermal efficiency: 97%-106%
  • Operating pressure: 1.0Mpa
  • Available fuel: Natural gas, coke oven gas, blast furnace gas, carbon black tail gas, biogas, diesel, heavy oil, light oil, crude oil, etc.

Condensing pressure hot water boiler-i7 Product Advantages

  • FIR Flue Gas Recirculation Technology

    Not only reduces emissions and enhances energy efficiency, but also requires a shorter furnace compared to traditional FGR technology. This results in a more compact boiler design, saving installation space and reducing installation costs.

  • Compact Design

    Thanks to FIR technology, the boiler’s smaller furnace allows for a more compact structure, reducing the space needed for installation and lowering overall installation costs.

  • Energy Efficiency and Low Emissions

    The I7 Series boiler provides significant energy savings with ultra-low NOx emissions, making it an environmentally friendly and cost-effective heating solution.

  • Durability and Safety

    Built with corrosion-resistant materials and equipped with advanced safety features, the I7 Series ensures reliable, long-lasting performance with minimal maintenance.

Condensing pressure hot water boiler-i7 Product specifications

Types Rated thermal power(kw) Rated working pressure(Mpa) Thermal efficiency(%) Distribution power (kw) Power supply (V/Hz) Natural gas dynamic pressure (Kpa) Product size L×W×H(mm) Weight(t)
i7-4200 4200 1.0 97-106 15 380/50 30-40 7259×2400×2716 12.3
i7-5600 5600 22 7773×2605×2768 13.7
i7-7000 7000 37 7878×2605×2846 17.5
i7-10500 10500 55 8220×2850×3050 25.8
i7-14000 14000 75 8950×3080×3120 32.5

​Fangkuai I7 Series Hot Water Boiler: Compact, Eco-Friendly Heating for Commercial & Industrial Needs​

Efficiency, reliability, and sustainability are critical for modern heating systems. The ​​Fangkuai I7 Series Hot Water Boiler​​ delivers all three, offering a high-performance solution tailored for commercial and industrial applications. Combining cutting-edge technology with a space-saving design, this boiler maximizes energy savings while minimizing environmental impact. Below, discover how the I7 Series redefines heating efficiency.

Why the I7 Series Hot Water Boiler Stands Out​

​1. FIR Technology for Ultra-Low Emissions​

The I7 Series integrates ​​Flue Gas Recirculation (FIR)​​, a breakthrough that reduces NOx emissions to ≤30mg/Nm³—exceeding strict environmental standards. By recycling flue gas into the combustion chamber, FIR optimizes fuel usage, cuts waste, and lowers operating costs.

  • ​Lower Fuel Consumption​​: Enhanced combustion extracts more heat from less fuel.
  • ​Eco-Compliance​​: Meets global emission regulations with minimal smoke output (Ringelmann blackness ≤1).
FIR

​2. Space-Efficient Design​

A 40% smaller furnace and winged-tube heat exchangers minimize the boiler’s footprint without sacrificing power. Ideal for tight spaces, the compact build ensures easy installation in crowded facilities.

  • ​Faster Heat Transfer​​: Expanded surface area accelerates water heating.
  • ​Durable Materials​​: Silicon-aluminum alloy resists corrosion, even in harsh conditions.
Flame-Contrast

​3. Advanced Safety & Automation​

​Automated safeguards and digital controls ensure worry-free operation:

  • Over-temperature/pressure protection.
  • Password-secured interface to prevent unauthorized access.
  • Real-time monitoring tracks energy use and system health.
Condensing pressure hot water boiler-i7

​4. Energy Recovery & Cost Savings​

A built-in cold condenser captures waste heat from exhaust gases, boosting thermal efficiency by up to 15%. This translates to:

  • Reduced fuel expenses.
  • Faster ROI through lower upfront costs and long-term savings.

​5. Built to Last​

Durable construction extends the boiler’s lifespan:

  • ​Wavy Furnace Design​​: Reduces thermal stress on critical components.
  • ​Automated Welding​​: Ensures precision in high-stress areas.
Condensing pressure hot water boiler-i7 cases img1

​Key Benefits of Choosing the I7 Series Hot Water Boiler​

  • ​Lower Operating Costs​​: Save on fuel and maintenance.
  • ​Compact & Versatile​​: Fits seamlessly into space-constrained settings.
  • ​Eco-Conscious​​: Achieve sustainability goals with ultra-low emissions.
  • ​24/7 Reliability​​: Automated systems reduce downtime.

​Ideal for​​: Factories, hotels, hospitals, and large facilities prioritizing energy efficiency and regulatory compliance.

​Conclusion​

The ​​Fangkuai I7 Series Hot Water Boiler​​ sets a new standard for industrial heating. Its blend of FIR technology, compact engineering, and robust safety features ensures cost-effective, eco-friendly performance. For businesses seeking a future-proof heating solution, the I7 Series delivers unmatched value.

​Ready to Upgrade?​​ Contact Fangkuai Boilers today for customized quotes or technical support tailored to your needs.

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