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Cleanroom HVAC and Air Handling Equipment
Packaged Hot-Water Heating Unit
A factory-arranged hydronic skid that transfers heat into a cleanroom heating loop and circulates it through air-handler coils at controlled temperature.
- Complete Hydronic Skid
- Plate-Exchanger Circuit Separation
- Integrated Pump and Expansion
- Visible Operating Instruments
Product Introduction
The unit groups a gasketed plate heat exchanger, in-line circulation pump, expansion vessel, control valves, gauges, manifolds and electrical cabinet on one rigid skid. Primary hot water or steam heats a separate secondary loop without mixing the fluids. The integrated pump maintains coil circulation while the control valve modulates heat input to a defined supply-water temperature.
Key Features
Plate channels physically separate the primary heat source from the cleanroom heating-water circuit.
A dedicated in-line pump maintains stable secondary flow as the primary control valve modulates.
Pressure, temperature and flow instruments are visible from the service side for rapid operating checks.
Customer Product Concerns
A secondary heating loop needs hydraulic separation, stable temperature and maintainable components within limited plant space.
Primary plant water chemistry is unsuitable for sensitive secondary equipment.A gasketed plate exchanger keeps the primary and cleanroom heating loops physically separate.
Field-installed components occupy excessive space and have inconsistent access.The complete pump, exchanger, vessel and valve arrangement is organized on one serviceable skid.
Changing primary temperature causes unstable coil supply water.A modulating valve regulates heat input while the secondary pump maintains constant circulation.
Expansion pressure and trapped air interrupt hydronic flow.An integrated expansion vessel, air vent and fill connection stabilize the closed secondary circuit.
Typical Applications
Cleanroom AHU heating loopsPharmaceutical secondary hot-water circuitsHospital laboratory ventilationHeat-recovery interface stationsBoiler-to-low-temperature hydronic conversion
Technical Parameters
Typical physical construction data for a packaged secondary heating-water unit are shown below.
| Core Material | Carbon-steel skid with AISI 304 or 316 stainless plate exchanger, cast-iron pump and stainless manifolds |
|---|---|
| Panel Thickness | 8-16 mm fabricated steel skid and mounting plate thickness |
| Effective Width | 800-1800 mm typical skid width |
| Maximum Length | Up to 3600 mm overall skid length |
| Steel Facing Thickness | 1.2-2.0 mm electrical cabinet sheet |
| Core Density | Approximately 7900-8000 kg/m³ for the austenitic stainless steel heat-exchanger plate pack |
| Thermal Conductivity | Approximately 14-16 W/(m·K) for the austenitic stainless steel exchanger plates |
| Surface Finish | Epoxy-coated black base with painted components and stainless manifolds |
| Joint Type | Welded skid and manifolds with flanged pump, exchanger and valve connections |
| Customization | Available based on the intended application and operating environment. |
Available Options
Steam-to-water or water-to-water heat sourceSingle or duty-standby secondary pumpsTwo-way or three-way primary control valveInsulated piping, flow meter and remote communications
Planning a Packaged Hot-Water Heating Unit specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
