AIX Boiler - Boiler Capacity and Units Guide
1. What is Boiler Capacity? And Boiler Load Calculation
Boiler Output
Different types of AIX Boiler products have varying outputs, primarily in forms such as steam, hot water, heat transfer oil, and hot air. The choice depends on the specific heat energy form required for your application.
Boiler Capacity Or Boiler Load
AIX Boiler systems absorb heat to generate steam, hot water, or hot oil for production lines. The required boiler size is determined by production needs. Key considerations include units like ton/h, kcal/h, kgs/h, as well as international units such as BHP, btu/h, and lbs.
Boiler Pressure
Most industrial AIX Boiler models operate under pressure, including steam boilers, high-pressure industrial water boilers, and thermal oil furnaces. They are classified by pressure:
- Low pressure: Typically for small household boilers (10-15psi)
- Medium and high pressure: 16-1000psi (0.1~3.83Mpa), with temperatures ranging from 194°F to 842°F
Fuel Fired
AIX Boiler offers steam boilers compatible with various fuels: oil, gas, coal, biomass, etc. Selection depends on factors like fuel costs, environmental emission requirements, and equipment costs.
2. Boiler Capacity Units Used by AIX Boiler
Different countries use varying units, and AIX Boiler accommodates these differences:
- Industrial steam boilers (coal, biomass, condensing, oil-fired, natural gas/LPG): ton/hr, kgs/hr, lbs/hr, BHP
- Hot water boilers: kW, kcal/h
- Thermal oil boilers: kW, MW, kcal/h
- Hot air boilers: kcal/h (with air volume in m³/h)
3. How to Calculate AIX Boiler Capacity
Common unit conversions for AIX Boiler capacity:
- 1 ton/h = 1000 kg/h
- 1 ton = 12000 Btu (IT)/hour
- 1 ton (metric) = 2204.62 pounds
- 1 ton = 600000 kcal/h (646,500 kcal/h without heat loss consideration)
- 1 MW = 1000 kW
- 1 ton/h ≈ 751.88 kW (≈700 kW in practice) = 0.751 MW
Summary: 1 ton/h = 1000 kg/h = 12000 Btu(IT)/hr = 2204.62 lbs = 646,500 kcal/h


If you want to convert faster, please check the conversion tool below. https://www.unitconverters.net/power-converter.html
4. AIX Boiler Capacity in Ton
Boiler tonnage has two meanings:
- Measures steam boiler rated output (t/h) or hot water boiler output (MW) per hour
- Indicates total production capacity of a boiler plant system (sum of all boilers' rated evaporation capacity)
AIX Boiler offers capacities from 1tph, 2tph, 3tph, 4tph, 6tph up to 50tph.

5. AIX Boiler Capacity in Kw and MW
KW (and MW) are power units for boilers, with 1MW = 1000KW. For AIX Boiler products, 1 ton/h ≈ 751.88 kW (≈700 kW in daily use) = 0.751 MW.
6. AIX Boiler Capacity in Kg/hr
kg/h is used for small-capacity steam boilers. AIX Boiler offers vertical models in 100kgs/h, 200kgs/h, 500kgs/h, 700kgs/h, and 1000kgs/h (1 ton/h).
7. AIX Boiler Models and Specifications
Coal-Fired Steam Boilers
| Model | Capacity (ton/h) | Rated Pressure (Mpa) | Rated Steam Temperature (°C) | Design Efficiency (%) |
|---|---|---|---|---|
| DZL1-0.7/1.0-AII | 1 | 0.7/1.0 | 170/184 | 77.73/77.24 |
| DZL2-0.7/1.0-AII | 2 | 0.7/1.0 | 170/184 | 78.53/78.18 |
| DZL4-0.7/1.25/1.6-AI | 4 | 0.7/1.25/1.6 | 184/193/204 | 79.37/79.30/78.96 |
Dual Fuel (Light Oil/Natural Gas) Steam Boilers
| Model | Rated Evaporation (t/h) | Rated Steam Pressure (Mpa) | Designed Heat Efficiency (%) |
|---|---|---|---|
| WNS1-1.0-Y(Q) | 1 | 1.0 | 86 |
| WNS2-1.25-Y(Q) | 2 | 1.25 | 86 |
| WNS3-1.25-Y(Q) | 3 | 1.25 | 88.1 |
8. Definition of AIX Boiler Capacity
Boiler capacity (evaporation capacity) is a basic characteristic parameter:
- Steam boilers: Quantity of steam produced per hour (D), unit: ton/hour (t/h)
- Hot water boilers: Heat supplied per hour (Q), unit: megawatt (MW)
AIX Boiler model expression: "Steam produced per hour + outlet pressure + steam temperature" (e.g., DZL4-1.25-AII).
9. AIX Boiler Water Capacity
Water capacity varies by design but generally aligns with the boiler's working capacity (e.g., a 4-ton boiler holds ~4 tons of water). Proper water capacity balances startup time, load stability, and safety.
Choosing the right AIX Boiler model requires understanding your capacity, type, and pressure needs. Contact AIX Boiler sales staff for personalized model recommendations and quotations.
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