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The LEOMON FKH-18II/TGW is a compact, energy-efficient steam heat pump designed to generate 150°C saturated steam for light industrial applications. With a heating capacity of 20kW and steam output of 30kg/h, this unit offers an ideal alternative to electric boilers, cutting energy consumption by up to 80%. Its small footprint (1600×780×2000 mm) and low noise (≤72 dB) make it suitable for workshops, small processing lines, and laboratories. Built with industrial-grade components and a robust casing, it operates reliably at ambient temperatures as low as 15°C, delivering consistent 150°C steam for your process heating needs.

1. Up to 80% Energy Savings
Compared to traditional electric steam boilers, the FKH-18II/TGW achieves dramatic energy efficiency through air-source heat pump technology. Under rated conditions (20°C ambient, 150°C steam), it consumes only 12kW of electricity to produce 20kW of heat, resulting in a COP of 1.67. While this is lower than pool heat pumps due to high temperature lift, it still saves a substantial amount compared to direct electric heating (where COP would be 1.0). Typical users see payback within 1–2 years.
2. Compact & Space-Saving Design
With dimensions of just 1600×780×2000 mm and a weight of 240 kg, this model fits easily into cramped equipment rooms or rooftop areas. The small footprint allows retrofitting into existing facilities without major renovation.
3. Safe & Eco-Friendly Operation
No combustion, no fuel storage, no risk of gas leaks or explosion. The unit produces no CO or CO₂ emissions onsite. Fully electric with multiple protections (overload, leakage, high-temperature), it ensures safe 24/7 operation.
4. Easy Installation & Low Maintenance
The unit comes pre-charged with refrigerant and requires only power connection (380V 3N~50Hz), water supply (DN20), and steam outlet (DN32) hookup. Annual maintenance is simple: inspect filters, check electrical connections, and clean coils.
| Model | FKH-18II/TGW |
| Generate steam quantity | 30kg |
| Power Specifications | 380V 3N~50Hz |
| A1 heating capacity (20 ℃) | 20KW |
| A1 Heating consumption power | 12KW |
| Heating Capacity(35℃) | 19kw |
| Maximum operating current | 30A |
| Noise | ≤72dB(A) |
| Unit size (length x width x height mm) | 1600×780×2000 |
| Steam connection size | DN32 |
| Size of water replenishment connection pipe | DN20 |
| Unit weight (kg) | 240 |
| Compressor | Xecom |
| Refrigerants | Low stage: R515B High stage: R1233zd |
Small Food Processing Workshops
Perfect for steaming, cooking, or sterilization in small-scale food production (e.g., tofu, bakery, sauce). The unit delivers 30kg/h of 150°C saturated steam, ensuring rapid heat-up and consistent temperature for batch processes.
Laboratory & Pilot Plants
Ideal for R&D facilities and pilot-scale steam requirements. Its compact footprint (1600×780×2000 mm) and low noise (≤72 dB) allow installation near workspaces without disruption.
Auxiliary Steam Source for Hotels & Hospitals
Provides supplemental steam for laundry ironing, kitchen equipment, or small sterilizers. Energy-efficient operation reduces steam generation costs by up to 80% compared to electric boilers.
The FKH-18II/TGW offers quick, low-disruption installation: a typical workshop setup can be completed in 1–2 days. The process requires connecting the unit to a 380V power supply, a water line (DN20), and the steam distribution pipe (DN32). The existing steam system may need a short shutdown, but normal production resumes immediately after installation. Long-term maintenance is minimal: monthly inspection of the water filter and blowdown valve, and annual professional check of the compressor, refrigerant pressure, and electrical contacts. No boiler certificate or fuel storage is required, significantly reducing compliance overhead for small businesses.
Q1: What is the minimum ambient temperature for operation?
A: The FKH-18II/TGW can operate down to 15°C ambient. Below that, performance degrades; we recommend auxiliary heat or a different solution for freezing climates.
Q2: What is the maximum steam pressure?
A: The unit produces saturated steam at 150°C, corresponding to approximately 0.4 MPa (4 bar) gauge pressure. Precise pressure can be controlled via the system.
Q3: How much floor space is needed?
A: Approx. 1.3 m² (1.6m × 0.78m) plus clearance for maintenance (min. 0.5m on each side). Weight is 240 kg, so a reinforced concrete floor is not necessary.
Q4: Can I use tap water for replenishment?
A: Yes, but water quality should meet boiler feed water standards (softened water recommended) to prevent scaling inside the steam generator.