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GDSZ Series High Low Temperature Circulating Device
Product Discription
The High-Low Temperature Circulating Device, also known as the High-Low Temperature Integrated Machine, is composed of a refrigeration unit, heating unit, circulating system, and control system. The entire circulating system utilizes a fully enclosed circulation with a liquid expansion container. The expansion container and liquid circulation are independent systems, where the expansion container is mechanically connected but does not participate in the liquid circulation. Even under high-temperature operation, the heat transfer medium in the expansion container does not exceed 50 degrees Celsius. The entire liquid circulation operates as a closed system, ensuring no water vapor absorption during low-temperature operation and no oil mist generation during high-temperature operation, thus improving the lifespan of the heat transfer oil. With the same equipment and heat transfer medium, it can achieve continuous temperature control from -95 degrees Celsius to 350 degrees Celsius. The cooling capacity ranges from 1 kW to 100 kW, providing a wide selection range.
Detail Specs
| Name | GDSZ Series High Low Temperature Circulating Device |
|---|---|
| Model | GDSZ-20/40+200℃ |
| Temperature Stability (℃) | ±1 |
| Operating Temperature Range (℃) | -40 to 200 |
| Ambient Temperature Range (℃) | 5 to 35 |
| Optimal Environmental Humidity | ≤60% |
| Power Supply | 1PH/220V/50HZ |
| Safety Protection | Delay, Overcurrent, Overheating, Over/Under Voltage, Phase Loss |
| Total Power (kW/A) | 6.84/31.1 |
| Display Screen | LCD Screen, Touch Operation |
| Cooling Power (kW) | 1.47 |
| Heating Wire Power (kW) | 5 |
| Cooling Method | Air Cooling Type |
| Compressor Model | MGu325Fxsf050×2 |
| Compressor HP | 2 |
| Compressor Type | Fully Enclosed Rotary Compressor |
| Refrigerant | R404a |
| Cooling Capacity (kW) | 200℃: 4.62 |
| 30℃: 4.3 | |
| 0℃: 3.16 | |
| -5℃: 2.62 | |
| -10℃: 2.23 | |
| -30℃: 0.65 | |
| -40℃: 0.37 | |
| Circulating Pump Power (W) | 0.37 |
| Flow Rate (L/min) | 42 |
| Head (M) | |
| Pressure (bar) | 22 |
| External Circulation Interface Size | DN15 |
| Communication Port (optional) | RS485 |
| Heat Transfer Fluid Reservoir Material | SUS304 |
| Heat Transfer Fluid Pipeline and Valve Material | SUS304 |
| Self-liquid Adding Amount (L) | 15 |
| Circulating Medium | Silicone Oil, Below 50CS |
Features
Combined heating and cooling container with large heat exchange area for rapid temperature changes and reduced heat transfer oil demand.
High-temperature and high-pressure compressor technology for direct cooling from 350 degrees, improving cooling rate.
Safety features include self-diagnosis, overload protection, high-pressure switches, and high-temperature protection.
Temperature adaptive control with precise PID parameter adjustment for optimal temperature control.
PT100 temperature probe and correction loop for accurate temperature measurement and control.
Uses environmentally friendly refrigerants without CFC and HCFE.
Enables precise control of chemical reaction speed.
Liquid circulation pipeline and heating pipes made of industrial-grade stainless steel for durability.
Features scroll compressor and high-temperature-resistant circulating pump for reliable performance.
Utilizes solid-state relays for spark-free and noiseless operation.
Wide temperature range from -95 to 350 degrees with heating and cooling functions.
Displays set temperature, actual temperature, and temperature alarm value simultaneously.
Simple and efficient liquid filling process.
Rapid cooling from high temperatures and continuous temperature control from 350 degrees to -95 degrees.
Designed with high-quality stainless steel wire-reinforced hoses and insulation covers for safe connections in high-temperature environments.
Application
The High-Low Temperature Circulating Device, namely Cooling and Heating Circulator is designed on the base of circulating chiller and high temperature oil bath.It is usually used as an ancillary equipment for jacked glass reactor, molecular distillation, and raotary evaporator, supply low and high temperature reaction condition. Widely used Colleges and universities, environmental protection, biochemical, medical, chemical industry, scientific research, etc.
