Rotary desiccant equipment for industrial and commercial applications where low temperature, lower dew point, or process requirements call for a desiccant route. Rinwang reviews process airflow, regeneration, available power, duct arrangements, and target conditions to select the appropriate configuration.
We design rotary desiccant wheel dehumidifiers for warehouses, cold storage, laboratories, and process applications. Equipment can be integrated with air conditioning where temperature control is required. Standard process-airflow models cover 320–3,000 m³/h; larger requirements are reviewed for a custom single unit or built-up system. The achievable RH or dew point depends on the operating conditions and selected configuration.
Standard process-airflow models cover 320–3,000 m³/h. Projects above this range can be reviewed for a custom single unit or built-up configuration. The required moisture removal, process and regeneration airflow, heating power, and target condition must be evaluated together.
Specifications apply to the listed model and configuration. Do not combine values from different versions when comparing equipment. Confirm the applicable model datasheet and configuration before ordering.
| Model | RW-300M | RW-600M | RW-750M | RW-1000M | RW-1500M | RW-3000M |
|---|---|---|---|---|---|---|
| Power | 220V/50Hz | 220V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz |
| Capacity | 2.5kg/h | 3.0kg/h | 4.5kg/h | 7.5kg/h | 10kg/h | 19kg/h |
| Test condition | T=20℃, RH=60% | T=20℃, RH=60% | T=20℃, RH=60% | T=20℃, RH=60% | T=20℃, RH=60% | T=20℃, RH=60% |
| Rated power | 2.0KW | 4.5KW | 7KW | 11KW | 15KW | 30KW |
| Current rating | 9A | 20A | 14A | 18A | 26A | 50A |
| Handling airflow (m³/h) | 320m³/h | 800m³/h | 950m³/h | 1100m³/h | 1550m³/h | 3000m³/h |
| Handling airflow (CFM) | 188 CFM | 471 CFM | 560 CFM | 648 CFM | 913 CFM | 1767 CFM |
| Regeneration air volume (m³/h) | 110m³/h | 200m³/h | 250m³/h | 450m³/h | 550m³/h | 1100m³/h |
| Regeneration air volume (CFM) | 65 CFM | 118 CFM | 147 CFM | 265 CFM | 324 CFM | 648 CFM |
| Deal with wind residual | 80Pa | 100Pa | 120Pa | 150Pa | 200Pa | 400Pa |
| Regenerative air residual | 50Pa | 70Pa | 80Pa | 100Pa | 150Pa | 200Pa |
| Handle the wind caliber | Φ125mm*2 | Φ125mm*2 | Φ200mm*2 | Φ200mm*2 | Φ250mm*2 | 522*286/Φ400mm |
| Regenerative air caliber | Φ80mm*2 | Φ100mm*2 | Φ125mm*2 | Φ150mm*2 | Φ160mm*2 | Φ200mm*2 |
| Apply Temperature | -10℃-+50℃ | -10℃-+50℃ | -10℃-+50℃ | -10℃-+50℃ | -10℃-+50℃ | -10℃-+50℃ |
| Machine size | 680*425*400mm | 585*420*866mm | 1090*600*671mm | 875*640*1232mm | 880*678*1238mm | 1312*856*1300mm |
| Weight | 45 kg | 70 kg | 110 kg | 160 kg | 180 kg | 300 kg |
| Model | RW-600M | RW-1000M | RW-2500M | RW-4500M |
|---|---|---|---|---|
| Dehumidifying capacity | 3.0kg/hour | 7.5kg/hour | 18kg/hour | 57kg/hour |
| Process air flow (m³/h) | 580 | 1200 | 2500 | 4500 |
| Process air flow (CFM) | 341 | 706 | 1471 | 2648 |
| Reactivation air flow (m³/h) | 200 | 450 | 850 | 1350 |
| Reactivation air flow (CFM) | 118 | 264 | 500 | 795 |
| Reactivation heating(°C) | 110±10 | 110±10 | 110±10 | 110±10 |
| Installed power(KW) | 4.5 | 11.00 | 28.0 | 50 |
| Unit Dimension ( mm) | 585×420×866 | 875×640×1232 | 1760×1040×1100mm | 1510×760×1060mm |
| Product Weight (kg) | 70 | 160 | 380 | 490 |
| Power Source | 220V/50Hz | 380V/50Hz | 380V/50Hz | 380V/50Hz |
| Work Temperature | -5℃ to +50℃ | -5℃ to +50℃ | -10～50℃ | -10～50℃ |
| Package | wooden case | wooden case | wooden case | wooden case |
Airflow is not just about room size. RINWANG designs the right airflow, static pressure, and dry-air delivery based on your humidity target and site conditions.
For warehouses, cold rooms, and storage areas, airflow should cover the full space — not just the area near the unit. We consider room volume, target RH, air circulation, and return-air path.
For packaging lines, powder rooms, electronics, or production cells, airflow is designed around the actual dry-air demand, target dew point, and whether the air is recirculated or once-through.
Frequent door opening, outdoor air, exhaust systems, or pressure imbalance can bring extra moisture into the room. We can add dedicated dry-air supply for docks, cold-room entrances, or condensation-risk zones.
For ducted systems, airflow must match static pressure, duct length, filters, bends, and outlet layout. We customize fan selection and duct connections so dry air reaches the right area.
Send us your room size, target RH/dew point, fresh-air condition, and duct layout. We will recommend the suitable airflow, static pressure, and desiccant dehumidifier configuration.
Reaches target RH in cold rooms and winter conditions—operating −10 to +50 °C (14–122 °F) where refrigerant dehumidifiers ice up.
Drying performance depends on rotor speed and regeneration heat, not room temperature—ideal for packaging, storage, and process lines.
Ductable “dry air” with no condensate handling; easy tie-in to existing HVAC/BMS and straightforward service.
| Criteria | Rotary Desiccant (Non-Compressor) Dehumidifier | Compressor (Condensation) Dehumidifier |
|---|---|---|
| Working principle | Adsorbs moisture on a desiccant wheel; heat regenerates the rotor. | Cools air across a refrigerant coil to condense water. |
| Best RH range | ≥35-45% RH and tight control at low dew points. | 40-60% RH; struggles below ≈40% RH. |
| Condensate handling | No drain needed (no liquid water produced). | Requires drain/pump for condensate. |
| Energy efficiency profile | Higher kWh/kg at moderate RH, but best choice for low RH or low-temp environments. | Most efficient at 20-30°C and 40-60% RH. |
| Typical applications | Cold storage, pharma/food packaging, electronics drying, lithium-free dry rooms, process rooms. | Warehouses at moderate RH, general comfort drying, basements, water-damage restoration. |
Rotary desiccant dehumidifiers serve warehouses, cold storage, laboratories, and process applications where the required conditions call for desiccant equipment. Selection depends on the target RH or dew point, process-air conditions, moisture load, airflow, and regeneration arrangement.
RW-2500M-Dock/aisles (2500 m³/h / 1471 CFM)
RW-3000M-Large bay (3000 m³/h / 1765 CFM)
RW-4500M-High volume (4500 m³/h / 2648 CFM)
RW-600M-Lines (580 m³/h / 341 CFM)
RW-1000M-Cells (1200 m³/h / 706 CFM)
RW-1500M-Rooms (1550 m³/h / 912CFM)
RW-1000M-Packing rooms (1200 m³/h / 706 CFM)
RW-1500M-Process rooms (1550 m³/h / 912 CFM)
RW-2500M-Mid halls (2500 m³/h / 1471 CFM)
RW-1500M-Cold docks (1550 m³/h / 912 CFM)
RW-3000M-Large rooms (3000 m³/h / 1765 CFM)
RW-4500M-Make-up air (4500 m³/h / 2648 CFM)
Straight answers on sizing, operating range, power, controls, and after-sales—so your team can evaluate quickly and specify with confidence.
Standard process-airflow models cover 320–3,000 m³/h. Projects above this range can be reviewed for a custom single unit or built-up configuration. Moisture-removal capacity depends on the model, process-air conditions, regeneration, and target condition. Confirm the applicable model datasheet before comparing configurations.
Smaller units run on 220 V/50 Hz (e.g., RW-600M 4.5 kW), while larger frames use 380 V/50 Hz (e.g., RW-1000M 11 kW, RW-4500M 50 kW).
Each unit includes a PLC controller for stable operation, access-door design for quick service, G4-grade filters, rotor auto-stop, and delay-time protection with fault locator.
Systems use electric regeneration heating at 110 ± 10 °C; equipment ships in a wooden case with a 1-year warranty and washable rotor designed for a 5-year lifetime.
Standard single-unit configurations are typically reviewed for targets around 25% RH. Lower targets require a project-specific configuration and may involve a multi-unit or fully customized system. The achievable condition depends on temperature, moisture load, airflow, regeneration, and the system arrangement. Send the target RH or dew point with the operating conditions for review.
Desiccant wheel dehumidifiers are normally designed to run with ducted process and regeneration air, so they are typically installed in a fixed location. For performance and safe installation, we generally don’t recommend a portable design for rotary desiccant units.
Share your coverage area, target RH, voltage/phase, drainage preference, and timeline—our engineers will size and quote a ready-to-deploy solution within 24 hours.
+86-571-8805-3366
+86-153-0581-0157
Zhengtai Road, Chongwen Street, Weifang, Shandong, China
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