TEMPERATURE CONTROL
Heating & Cooling Circulators
PRODUCT DESCRIPTION
Designed for practical laboratory work.
JiaRun low temperature circulation systems provide controlled heating, cooling and external circulation for laboratory and process-development applications. The catalog documents GDFB series configurations.
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PRODUCT PARAMETERS
Complete technical specifications
Model-specific specifications are organized in the same comparison format as the Rotary Evaporator pages.
GDFB Low Temperature Circulation System
| Parameter | GDFB-10/30 | GDFB-10/40 | GDFB-10/80 | GDFB-20/30 |
|---|---|---|---|---|
| Temperature Range | 200°C ~ −30°C | 200°C ~ −40°C | 200°C ~ −80°C | 200°C ~ −30°C |
| Control Accuracy | ±1°C | ±1°C | ±1°C | ±1°C |
| Power Supply | 220V / 50Hz | 220V / 50Hz | 220V / 50Hz | 220V / 50Hz |
| Overall Dimensions (mm) | 540 × 450 × 960 | 540 × 450 × 960 | 770 × 670 × 1180 | 650 × 570 × 1060 |
| Tank Capacity (L) | 6 | 6 | 10 | 11 |
| Flow Rate | 30 L/min | 30 L/min | 30 L/min | 30 L/min |
| Lift Head | 15m | 15m | 15m | 15m |
| Circulation System Power (kW) | 0.25 | 0.25 | 0.25 | 0.25 |
| Heating Power (kW) | 3 | 3 | 3 | 5 |
| Refrigeration Power (kW) | 1 | 1.3 | 2.5 | 1.7 |
| Cooling Capacity (kW) | 2.1–0.5 | 2.8–0.6 | 3.65–0.55 | 2.8–0.6 |
| Refrigerant | R22 | R404A | R404A / R23 | R22 |
| Compressor | Gree | Gree | Tecumseh | Gree |
| Circulation Pipe | Copper Pipe 304 | Copper Pipe 304 | Copper Pipe 304 | Copper Pipe 304 |
| Temperature Sensor | PT100 | PT100 | PT100 | PT100 |
| Housing | Air-Cooled Spray Plastic | Air-Cooled Spray Plastic | Air-Cooled Spray Plastic | Air-Cooled Spray Plastic |
| Safety Functions | Overload Protection, Overpressure Protection, Leak Protection | Overload Protection, Overpressure Protection, Leak Protection | Overload Protection, Overpressure Protection, Leak Protection | Overload Protection, Overpressure Protection, Leak Protection |
| Parameter | GDFB-20/40 | GDFB-20/80 |
|---|---|---|
| Temperature Range | 200°C ~ −40°C | 200°C ~ −80°C |
| Control Accuracy | ±1°C | ±1°C |
| Power Supply | 220V / 50Hz | 380V / 50Hz |
| Overall Dimensions (mm) | 650 × 570 × 1060 | 810 × 710 × 1240 |
| Tank Capacity (L) | 11 | 11 |
| Flow Rate | 30 L/min | 30 L/min |
| Lift Head | 15m | 15m |
| Circulation System Power (kW) | 0.25 | 0.25 |
| Heating Power (kW) | 5 | 5 |
| Refrigeration Power (kW) | 2 | 4.5 |
| Cooling Capacity (kW) | 5.625–0.15 | 9–11 |
| Refrigerant | R404A | R404A / R23 |
| Compressor | Gree | Tecumseh |
| Circulation Pipe | Copper Pipe 304 | Copper Pipe 304 |
| Temperature Sensor | PT100 | PT100 |
| Housing | Air-Cooled Spray Plastic | Air-Cooled Spray Plastic |
| Safety Functions | Overload Protection, Overpressure Protection, Leak Protection | Overload Protection, Overpressure Protection, Leak Protection |
Please confirm the exact model, configuration, voltage/frequency and optional accessories when requesting a quotation.
APPLICATIONS
Typical laboratory applications
Research & Development
For laboratory research, method development and process evaluation.
Pharmaceutical & Chemical
For controlled preparation, reaction, concentration and processing workflows.
Universities & Laboratories
Practical equipment configurations for routine and advanced laboratory work.
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