Low Temperature Cooling Circulator (Chiller)
Our DLL series low-temperature chillers provide stable cooling circulation for rotary evaporators, reactors and analytical instruments. With temperature down to -20°C (-40°C models available) and ±1°C control accuracy, they ensure fast, efficient condensation and temperature control.
Technical Specifications
Circulating medium: >95% industrial alcohol. Temperature range: -20°C to RT. Control accuracy: ±1°C. Refrigerant: R22. Safety: delay start, over-current and compressor overheat protection. Housing: cold-rolled carbon steel with powder coating. DN20 brass ball valve ports.
| Parameter | DLL-5/20 | DLL-10/20 | DLL-20/20 | DLL-50/20 |
|---|---|---|---|---|
| Cooling Capacity | 2500W | 3750W | 5000W | 7500W |
| Compressor Power | 750W | 1125W | 1500W | 2250W |
| Condensing Area | 8 m² | 8 m² | 12 m² | 28 m² |
| Pump Flow | 20-40 L/min | 20-40 L/min | 20-40 L/min | 42 L/min |
| Pump Head | 4-6 m | 4-6 m | 4-6 m | 28 m |
| Inlet / Outlet | DN20 | DN20 | DN20 | DN20 |
| Tank Size | φ220×200 | φ220×200 | φ220×300 | φ220×300 |
| Overall Dimensions | 650×550×875mm | 650×550×875mm | 650×580×1060mm | 700×650×1200mm |
| Power Supply | 220V/50Hz single phase | 220V/50Hz single phase | 220V/50Hz single phase | 220V/50Hz single phase |
-40°C series (DLL-5/40 to DLL-50/40) available with PLC touchscreen control. Environment: ≤25°C, humidity 45-85% RH.
Typical Applications
- Rotary evaporator condensation
- Reactor jacket cooling
- Cooling of analytical instruments
- Low-temperature reaction baths
FAQ
- What temperature for ethanol recovery? -40°C recommended; -20°C works for water and high-boiling solvents.
- Can it cool a 50L reactor? Yes, our high-capacity models handle jacketed reactors up to 50L.
- What coolant does it use? Standard R22 refrigerant with >95% industrial alcohol as circulating medium.
- What is the warranty? 12 months with lifetime spare parts supply.
Why Order From Reacore Lab
- Factory-direct price — no trading company markup
- 12-month warranty with lifetime spare parts supply
- Payment: T/T, 30% deposit, balance before shipment
- Export-grade plywood packing with photos before shipment
- Video call inspection available before delivery
- Technical support from inquiry to after-sales
Tell us your volume and application — our technical team replies with a selection proposal and quote within 12 working hours.