Air Handling Unit (AHU)
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This page explains how Heating/Cooling Coil Section is classified within Repair and Installation of Machinery and Equipment. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
A modular section within an Air Handling Unit (AHU) containing coils for heating or cooling air
Technical details and manufacturing context for Heating/Cooling Coil Section
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Coil Face Area | 0.5–8.0 m² | Determines air velocity and pressure drop. |
| Rated Airflow | 1000–40000 m³/h | Match to AHU performance.ISO 580 |
| Cooling Capacity | 10–500 kW | Based on standard conditions.EN 1397 |
| Heating Capacity | 10–600 kW | Hot water or steam.EN 1397 |
| Water Flow Rate | 1–50 m³/h | Per coil circuit. |
| Water Pressure Drop | 10–80 kPa | Affects pump selection. |
| Air Pressure Drop | 50–250 Pa | At rated airflow. |
| Operating Temperature | -20–120 °C | For water and air. |
| Coil Material | Cu–Al, Cu–Cu, Al–Al | Tube–fin combination.ASTM B280 |
| Fin Spacing | 1.5–4.0 mm | Tighter for cooling, wider for dusty. |
| Number of Rows | 2–8 | More rows increase capacity and drop. |
| Weight | 50–500 kg | Depends on size and material. |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
| pressure: | Max 25 psig (1.72 bar) working pressure, 50 psig (3.45 bar) test pressure |
| flow rate: | 100-10,000 CFM (2.83-283 m³/min) air flow range |
| temperature: | -20°C to 120°C (operating), -40°C to 150°C (design) |
| face velocity: | 300-700 fpm (1.5-3.6 m/s) recommended |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
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The coil face area typically ranges from 0.5 to 8.0 m², which determines air velocity and pressure drop. The exact value must be matched to the AHU's airflow and space constraints.
Common materials include copper tubes and aluminum fins, with a galvanized steel casing. The coil material combination can be Cu-Al, Cu-Cu, or Al-Al, as listed in the directory.
More rows increase the heat transfer capacity but also increase air pressure drop. The directory lists a range of 2 to 8 rows, and the optimal number depends on the required capacity and allowable pressure drop.
Cooling and heating capacities are referenced to EN 1397, and rated airflow to ISO 580. These standards provide testing methods, but actual performance must be verified with the manufacturer for the specific model.
This component is essential for the following industrial systems and equipment:
Commonly used trade names and technical identifiers for Heating/Cooling Coil Section.
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