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Product Description
The SZS series fully automatic oil (or gas) boilers feature a longitudinally mounted dual-drum "D" structure with a membrane water-cooled wall design, compatible with multiple fuels such as natural gas and diesel. They offer fully automatic operation and intelligent control, boasting thermal efficiencies exceeding 92% and low nitrogen emissions. Available in steam and hot water models, they cover industrial and central heating applications. They also feature multiple safety features for stability and reliability.
| Item | Unit | SZS10-1.25/193/104-YQ | SZS15-1.25/193/104-YQ | SZS20-1.25/193/104-YQ | SZS25-1.25/193/104-YQ | SZS30-1.25/193/104-YQ | SZS35-1.25/193/104-YQ | SZS40-1.25/193/104-YQ | SZS50-1.25/193/104-YQ |
|---|---|---|---|---|---|---|---|---|---|
| Rated evaporation capacity | t/h | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 50 |
| Rated steam pressure | Mpa | 1.25(1.6) | 1.25(1.6) | 1.25(1.6) | 1.25(1.6) | 1.25(1.6) | 1.25(1.6) | 1.25(1.6) | 1.25(1.6) |
| Rated steam temperature | ℃ | 193(204) | 193(204) | 193(204) | 193(204) | 193(204) | 193(204) | 193(204) | 193(204) |
| Feed water temperature | ℃ | 104 | 104 | 104 | 104 | 104 | 104 | 104 | 104 |
| Design thermal efficiency - Gas | % | 98 - 103 | 98 - 103 | 98 - 103 | 98 - 103 | 98 - 103 | 98 - 103 | 98 - 103 | 98 - 103 |
| Design thermal efficiency - Oil | % | 98 - 103 | 98 - 103 | 98 - 103 | 98 - 103 | 98 - 103 | 98 - 103 | 98 - 103 | 98 - 103 |
| Flue gas temperature - Gas | ℃ | ≤60 | ≤60 | ≤60 | ≤60 | ≤60 | ≤60 | ≤60 | ≤60 |
| Flue gas temperature - Oil | ℃ | ≤60 | ≤60 | ≤60 | ≤60 | ≤60 | ≤60 | ≤60 | ≤60 |
| Heating surface area of boiler body | m² | 201 | 245 | 293 | 373 | 490 | 613 | 735 | 858 |
| Heating surface area of economizer | m² | 296 | 360 | 430 | 540 | 720 | 900 | 1080 | 1260 |
| Heating surface area of air preheater | m² | 35 | 40 | 48 | 62 | 88 | 106 | 135 | 160 |
| Water volume during boiler operation | m³ | 6.5 | 7.8 | 8.8 | 10.5 | 15.0 | 19.0 | 22.0 | 25.5 |
| Combustion mode | - | Micro-positive pressure combustion | Micro-positive pressure combustion | Micro-positive pressure combustion | Micro-positive pressure combustion | Micro-positive pressure combustion | Micro-positive pressure combustion | Micro-positive pressure combustion | Micro-positive pressure combustion |
| Combustion adjustment mode | - | Automatic control | Automatic control | Automatic control | Automatic control | Automatic control | Automatic control | Automatic control | Automatic control |
| Applicable fuels | - | Diesel/Natural gas/Liquefied petroleum gas/Urban gas | Diesel/Natural gas/Liquefied petroleum gas/Urban gas | Diesel/Natural gas/Liquefied petroleum gas/Urban gas | Diesel/Natural gas/Liquefied petroleum gas/Urban gas | Diesel/Natural gas/Liquefied petroleum gas/Urban gas | Diesel/Natural gas/Liquefied petroleum gas/Urban gas | Diesel/Natural gas/Liquefied petroleum gas/Urban gas | Diesel/Natural gas/Liquefied petroleum gas/Urban gas |
| Net fuel consumption (load 30% - 110%) - Diesel | Kg/h | 160 - 520 | 200 - 635 | 235 - 768 | 295 - 958 | 385 - 1285 | 485 - 1805 | 580 - 1925 | 680 - 2245 |
| Net fuel consumption (load 30% - 110%) - Natural gas | Nm³/h | 185 - 605 | 227 - 756 | 275 - 906 | 345 - 1130 | 460 - 1510 | 568 - 1885 | 680 - 2265 | 800 - 2640 |
| Net fuel consumption (load 30% - 110%) - Liquefied petroleum gas | Nm³/h | 70 - 206 | 90 - 260 | 110 - 311 | 140 - 383 | 190 - 516 | 195 - 645 | 235 - 775 | 280 - 900 |
| Net fuel consumption (load 30% - 110%) - Urban gas | Nm³/h | 375 - 1248 | 468 - 1550 | 565 - 1868 | 705 - 2283 | 950 - 3095 | 1160 - 3870 | 1398 - 4645 | 1680 - 5410 |
| Gas supply pressure - Natural gas | mbar | 60 - 200 | 100 - 200 | 100 - 200 | 100 - 200 | 100 - 200 | 100 - 300 | 100 - 300 | 100 - 300 |
| Gas supply pressure - Liquefied petroleum gas | mbar | 60 - 200 | 100 - 200 | 100 - 200 | 100 - 200 | 100 - 200 | 100 - 300 | 100 - 300 | 100 - 300 |
| Gas supply pressure - Urban gas | mbar | 60 - 200 | 100 - 200 | 100 - 200 | 100 - 200 | 100 - 200 | 100 - 300 | 100 - 300 | 100 - 300 |
| Main dimensions - Length L | mm | 5000 | 5600 | 6000 | 6000 | 6000 | 6200 | 6300 | 6500 |
| Main dimensions - Width W | mm | 5500 | 5600 | 6000 | 6000 | 6300 | 6500 | 6800 | 6800 |
| Main dimensions - Height H | mm | 1500 | 1500 | 1818 | 2000 | 2600 | 2650 | 2680 | 2690 |
| Main dimensions - Drum diameter | mm | 2×80 | 2×80 | 2×80 | 2×100 | 2×100 | 2×150 | 2×150 | 2×150 |
| Main dimensions - Feed water valve diameter | mm | 50 | 50 | 50 | 65 | 65 | 100 | 100 | 125 |
| Main dimensions - Safety valve diameter | mm | 50 | 50 | 50 | 65 | 65 | 100 | 100 | 125 |
| Main dimensions - Chimney diameter | mm | 700 | 800 | 800 | 900 | 1000 | 1000 | 1200 | 1400 |
| Power supply | - | 380V/50HZ | 380V/50HZ | 380V/50HZ | 380V/50HZ | 380V/50HZ | 380V/50HZ | 380V/50HZ | 380V/50HZ |
| Blower power consumption | KW | 30 | 40 | 50 | 80 | 100 | 120 | 140 | - |
| Inducer power consumption | KW | 12 | 12 | 15 | 20 | 25 | 30 | 36 | 45 |
| Item | Unit | SZS29-1.6/130/70-YQ | SZS46-1.6/130/70-YQ | SZS58-1.6/130/70-YQ | SZS70-1.6/130/70-YQ | SZS92-1.6/130/70-YQ |
|---|---|---|---|---|---|---|
| Rated thermal power | MW | 29 | 46 | 58 | 70 | 92 |
| Rated water supply pressure | Mpa | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 |
| Rated water supply temperature | ℃ | 130 | 130 | 130 | 130 | 130 |
| Rated return water temperature | ℃ | 70 | 70 | 70 | 70 | 70 |
| Design thermal efficiency - Gas | % | 97 - 102 | 97 - 102 | 97 - 102 | 97 - 102 | 97 - 102 |
| Design thermal efficiency - Oil | % | 97 - 102 | 97 - 102 | 97 - 102 | 97 - 102 | 97 - 102 |
| Flue gas temperature - Gas | ℃ | ≤70 | ≤70 | ≤70 | ≤70 | ≤70 |
| Flue gas temperature - Oil | ℃ | ≤70 | ≤70 | ≤70 | ≤70 | ≤70 |
| Heating surface area of boiler body | m² | 798 | 1225 | 1530 | 1884 | 2573 |
| Heating surface area of economizer | m² | 1045 | 1588 | 1997 | 2430 | 3276 |
| Heating surface area of air preheater (Gas) | m² | 101 | 145 | 178 | 261 | 313 |
| Net water volume of boiler | T | 32.9 | 35.7 | 39.6 | 51.2 | 73.4 |
| Minimum water flow during boiler operation | m³ | 425 | 666 | 838 | 1008 | 1325 |
| Combustion mode | - | Micro-positive pressure combustion | Micro-positive pressure combustion | Micro-positive pressure combustion | Micro-positive pressure combustion | Micro-positive pressure combustion |
| Combustion adjustment mode | - | Automatic control | Automatic control | Automatic control | Automatic control | Automatic control |
| Applicable fuels | - | Diesel/Natural gas/Liquefied petroleum gas/Urban gas | Diesel/Natural gas/Liquefied petroleum gas/Urban gas | Diesel/Natural gas/Liquefied petroleum gas/Urban gas | Diesel/Natural gas/Liquefied petroleum gas/Urban gas | Diesel/Natural gas/Liquefied petroleum gas/Urban gas |
| Net fuel consumption (load 30% - 110%) - Diesel | Kg/h | 780 - 2596 | 1237 - 4350 | 1560 - 5200 | 1880 - 6295 | 2988 - 10986 |
| Net fuel consumption (load 30% - 110%) - Natural gas | Nm³/h | 945 - 3480 | 1490 - 5500 | 1900 - 6500 | 2270 - 8920 | 2474 - 8850 |
| Net fuel consumption (load 30% - 110%) - Liquefied petroleum gas | Nm³/h | 302 - 998 | 490 - 2090 | 611 - 2589 | 733 - 3188 | 980 - 4158 |
| Net fuel consumption (load 30% - 110%) - Urban gas | Nm³/h | 1920 - 6510 | 3100 - 12202 | 3912 - 15228 | 4703 - 18752 | 6258 - 24066 |
| Gas supply pressure - Natural gas | bar | 2 - 4 | 2 - 4 | 2 - 4 | 2 - 4 | 2 - 5 |
| Gas supply pressure - Liquefied petroleum gas | bar | 2 - 4 | 2 - 4 | 2 - 4 | 2 - 4 | 2 - 5 |
| Gas supply pressure - Urban gas | bar | 2 - 4 | 2 - 4 | 2 - 4 | 2 - 4 | 2 - 5 |
| Main dimensions - Length L | mm | 11000 | 14500 | 15572 | 15950 | 17980 |
| Main dimensions - Width W | mm | 6000 | 8218 | 8525 | 8758 | 9011 |
| Main dimensions - Height H | mm | 6300 | 7718 | 8318 | 8900 | 9500 |
| Main dimensions - Drum diameter | mm | 1200 | 1400 | 1400 | 1400 | 1600 |
| Main dimensions - Supply and return water valve diameter | mm | 2×200 | 2×200 | 2×300 | 2×300 | 2×400 |
| Main dimensions - Safety valve diameter | mm | 2×150 | 2×200 | 2×200 | 2×200 | 2×250 |
| Main dimensions - Chimney diameter | mm | 1400 | 1800 | 2000 | 2200 | 2500 |
| Power supply | - | 380V/50HZ | 380V/50HZ | 380V/50HZ | 380V/50HZ | 380V/50HZ |
| Blower power consumption | KW | 150 | 230 | 280 | 350 | 450 |
| Inducer power consumption | KW | 50 | 75 | 95 | 115 | 150 |
Company Profile
Shandong Jiaguang International has been deeply involved in the boiler industry for over 20 years and has become a reliable supplier of high-quality boiler products. With advanced manufacturing capabilities, strong research and development capabilities, and a pursuit of excellence, we provide services to numerous industries such as construction, automotive, manufacturing, and infrastructure construction. At the same time, we also focus on providing comprehensive boiler solutions for multiple industries such as chemical, power generation, and heating, committed to promoting efficient development of various industries with high-quality products and services.
1. Advanced production qualifications: The company has a national A-level boiler manufacturing license, as well as a Level 3 pressure vessel design and manufacturing license and Level 3 manufacturing license. Equipped with the most advanced rolling mills, galvanizing production lines, and color coating equipment. Obtained national level certifications such as ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and CE certification.
2. Professional R&D team: Composed of 286 engineers and technicians (including 52 senior engineers), constantly innovating, developing new steel varieties, and improving production processes. Collaborate with industry-leading research institutions to ensure cutting-edge product performance.
3. Strict quality control: From raw material inspection to final product certification, each stage undergoes comprehensive testing. The product complies with international standards such as ASTM, JIS, and EN to ensure reliability and consistency.
4. Customized solutions: Provide customized steel products with various thicknesses, widths, and surface treatments.
Professional technical support to assist customers in selecting the best materials for specific applications.
5. Global market coverage: Our products are exported to over 50 countries, serving customers in Asia, Europe, America, and the Middle East. An efficient logistics network ensures timely delivery and competitive prices.
6. Sustainable Development Commitment:
We prioritize fulfilling our environmental responsibilities, as follows:
Adopting energy-saving production technology. Minimize waste to the greatest extent possible through recycling programs. Develop environmentally friendly coatings and treatment methods to reduce carbon footprint.
Product packaging
Outer Packaging: Adopt export-grade corrugated cartons with moisture-proof PE film lining, reinforced by 5mm-thick plywood crates at corners. Mark "Fragile", "Handle with Care", "Moisture-Proof" and product model (e.g., SZS10-1.25-YQ) in English and destination country languages for clear identification.
Inner Protection: Wrap boiler components in EPE foam sleeves; use shock-absorbing rubber pads for pressure gauges, valves and other precision parts. Separate large parts (like boiler drums) with honeycomb cardboard to avoid collision.
Documentation & Accessories: Place a sealed waterproof bag with product manual (English version), quality certificate, installation diagram and accessory list inside. Attach a QR code linking to online installation videos for easy reference.
Q1: Can it be adapted to local fuels? Does it require modification?
A1: It is compatible with natural gas, liquefied petroleum gas, diesel, and other fuels without any additional modification, and the fuel pressure can be adjusted as needed.
Q2: Is it CE/UL certified? Are there any maintenance charges?
A2: It is CE and ISO certified, and there are no additional fees for certification and maintenance. We can assist with local certifications.
Q3: Is the packaging resistant to damage during cross-border operations? How is it repaired in the event of damage?
A3: It is packaged with export-grade plywood and moisture-proof film, and damage is restocked within 48 hours.
Q4: Is there English-language installation support or a local installer?
A4: We provide an English manual and installation video, and can recommend installers in your target market.
Q5: What are the operating and maintenance costs? What are the advantages?
A5: Thermal efficiency is 92%-98%, fuel consumption is low, and the cost of consumable parts is low, saving 15%-20% compared to competing products.
