Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.
1～15 item / All 22 items
This is a series of connected simple flow boilers.
Compact and slim EQR-500 model × 3 connected with a width of 2,570mm space-saving design. It supplies high-quality steam with a dryness of over 99%.
This is the birth of an environmentally friendly boiler that pursues the value of the boiler itself and has the industry's best environmental performance and energy-saving capabilities.
In recent years, as there has been a strong demand for equipment with excellent environmental and energy-saving properties, we have achieved ultra-low emission combustion with NOx = 25ppm at a low air ratio by restricting the combustion air, becoming the first in the industry to do so. (Small-scale once-through boiler)
Achieve significant energy savings with a boiler efficiency of 98% and high-efficiency operation! Super Equos Series
The "EQi-3000NM/LM" is a compact, direct-flow boiler that achieves significant energy savings without unnecessary starts and stops. With combustion control at 0-20-50-100%, efficiency is greatly improved at 20-30% load. It provides stable dry steam through water level control according to steam pressure and combustion volume. Additionally, the blower and feed water pump are inverter-controlled. 【Features】 ■ High energy savings through high-efficiency operation ■ Supply of stable, high-quality dry steam ■ Low noise design ■ Inverter standard equipment ■ Low NOx emissions to reduce environmental impact *For more details, please refer to the PDF document or feel free to contact us.
Advancing from evolution! A compact water-tube boiler with improved energy efficiency, safety, and visibility.
The "SE Series" is a gas-fired compact flow boiler that is thoroughly committed to "energy saving." Our unique micro-furnace boiler body and newly designed economizer have standardized a boiler efficiency of 98% during rated operation. Furthermore, at a low combustion position that allows for ample heat transfer area relative to the combustion volume, the operating efficiency exceeds 100%. Burners with a large turn-down ratio (the ratio of maximum to minimum combustion volume) have a wide combustion range, enabling efficient operation even during periods of low steam usage. Additionally, it maintains energy-saving operation with minimal purge loss due to combustion start and stop. 【Features】 ■ Multi-position water supply ■ Enhanced combustion monitoring & dual processor ■ High-speed blower motor ■ Low fuel consumption with efficiency exceeding 100% ■ Energy-saving operation with a wide combustion range of 1:7 that reduces combustion stops *For more details, please refer to the PDF materials or feel free to contact us.
Achieving a boiler efficiency of 98%! Award for Excellent Energy-Saving Decarbonization Equipment and Systems for Fiscal Year 2021.
"WILLHEAT" is a hydrogen-only small-scale once-through boiler equipped with a dry low NOx burner. We have successfully reduced the generation of nitrogen oxides (thermal NOx) without sacrificing boiler efficiency, which has been a long-standing challenge. The steam pressure fluctuation is ±0.005 MPa, and the steam dryness is over 99.8%. Please feel free to consult us when you need assistance. 【Features】 ■ Boiler efficiency 98% ■ Low NOx 60 ppm (converted to O2=0%) ■ Steam pressure fluctuation ±0.005 MPa ■ Steam dryness over 99.8% *For more details, please refer to the PDF materials or feel free to contact us.
![[Helpful Materials Provided] Efficient Operation of a Flow-through Boiler - Load Edition -](https://image.mono.ipros.com/public/product/image/c34/2001427627/IPROS75376776787848575613.png?w=280&h=280)
Explanation of boiler load and low-load operation! Introducing the benefits and pitfalls as well.
This document introduces efficient operation of once-through boilers. The term "boiler load" represents the numerical value indicating how much of the boiler's capacity is being utilized, and it explains the most efficient load range using graphs. Additionally, it covers the advantages and pitfalls of low-load operation. Please download and take a look. 【Contents】 ■ What is boiler load? ■ Efficient "low-load operation" ■ Pitfalls of low-load operation ■ How to operate once-through boilers efficiently *For more details, please download the PDF or feel free to contact us.
Short steaming time, high efficiency and energy-saving! Equipped with a scale monitor despite its compact design!
The "Multi-tube Water Pipe Flow Boiler" is a boiler that achieves short steam generation time, high efficiency, and energy savings through simple and safe automatic operation. The boiler body is made from carefully selected steel materials to ensure long service life. Additionally, by equipping a scale monitor inside the water pipes, it can early detect and notify about the adhesion of scale, which significantly affects the internal lifespan of the pipes and the efficiency of the boiler. Moreover, compared to our conventional models, it features a compact design that saves space. We conduct thorough product management through in-house design and manufacturing to provide high-quality products. 【Features】 ■ Simple and safe automatic operation ■ Short steam generation time, high efficiency, and energy savings ■ Long service life with carefully selected steel materials for the boiler body ■ Space-saving achieved through compact design ■ Equipped with a scale monitor *For more details, please refer to the PDF materials or feel free to contact us.
Contributing to global warming prevention with high-efficiency specifications! The can body is made from carefully selected steel materials, ensuring long lifespan!
Nihon Kikan Co., Ltd. offers a "Compact Flow Boiler" that enables easy and safe automatic operation. It achieves a short steam generation time and high efficiency for energy savings. Combined with the patented Fuel Saver, it achieves a boiler efficiency of 95% (based on O2 3%). Additionally, by equipping a scale monitor inside the water pipes, we can early detect and notify you of the adhesion of scale to the pipes, which significantly affects the lifespan of the boiler and its efficiency. 【Features】 ■ Easy and safe automatic operation ■ Short steam generation time, high efficiency, and energy savings ■ Long lifespan achieved using carefully selected steel materials for the boiler body ■ Space-saving design compared to our conventional models *For more details, please refer to the PDF materials or feel free to contact us.
Achieving high operational efficiency by reducing the number of boiler start-stop cycles. Significant savings on fuel and electricity costs.
A once-through boiler that achieves high operating efficiency by reducing the number of boiler operation stops, contributing to significant savings in fuel and electricity costs. 【Features】 ○ Dramatic improvement in operating efficiency and boiler lifespan with four-position combustion control ○ Reduction in fuel and electricity consumption ○ Detailed combustion control with 'high combustion (100%)', 'medium combustion (65%)', 'low combustion (30%, SE series is 20%)', and 'stop' ○ Various products available according to application, such as 'simple once-through boiler', 'compact once-through boiler', and 'small-scale boiler' ● For other functions and details, please contact us.
This is a series of connected simple flow boilers.
The EQR-750 model, which is angular and slim, has achieved the series' smallest width of 2,410mm with a three-link configuration.
This is a series of connected simple flow boilers.
Equipped with powerful capabilities, the EQRH-1000 features a space-saving design with a width of 2,770mm when three units are connected.
This is the birth of an environmentally friendly boiler that pursues the value of the boiler itself and has the industry's best environmental performance and energy-saving capabilities.
In recent years, as there has been a strong demand for equipment with excellent environmental and energy-saving properties, we have achieved ultra-low emission combustion with NOx=25ppm using a low air ratio with restricted combustion air, making us the first in the industry to do so. (Large-scale once-through boiler)
Compact, space-saving design
The simple and rational can body boasts high durability and stable performance that surpasses the concept of a once-through boiler.
Boiler efficiency over 98% at partial load! Industry-leading once-through boiler.
The "EQi-6001KM/AM" is a once-through boiler that maintains high operational efficiency without repeatedly starting and stopping, even when the steam load is low. Even during load fluctuations, the steam dryness is excellent, allowing for the supply of high-quality steam. There is also the "EQiH-6001KM/AM," which has different performance specifications and connection pipe diameters. 【Features】 ■ Industry-leading ultra-high efficiency operation ■ Provision of high-quality steam ■ High load-following performance through PI control ■ High turndown ratio (5:1) and excellent combustion performance ■ Adoption of blow control responsive to feedwater flow variations (Patent No. 5826539) *For more details, please download the PDF or feel free to contact us.
Introducing the Super Equos series, featuring a compact body boiler package!
The "EQi-2000・2500NM/LM" is a compact once-through boiler that achieves a stable high steam dryness of over 99%. It features advanced water level control based on two parameters: combustion volume and pressure, along with a newly designed inverted separation type steam-water separator, making it resilient to load fluctuations. Additionally, due to low air ratio combustion, the boiler efficiency reaches an industry-leading 98%. By restricting the combustion air, there is no need to heat excess air beyond what is required for combustion, which improves boiler efficiency. 【Features】 ■ Supplies high-quality steam ■ Ultra-high efficiency & energy-saving ■ Space-saving design ■ Ultra-low emission combustion reduces environmental impact ■ Low pressure loss & high-efficiency boiler body *For more details, please refer to the PDF materials or feel free to contact us.
