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AKGD-20L/-40℃+200℃ High and Low Temperature Integrated Circulator

High and Low Temperature Integrated Circulator: -40°C to 200°C, 20L Capacity, ±1°C Accuracy

Overview

This High and Low Temperature Integrated Circulator model AKGD-20L/-40+200 offers an efficient and compact solution for temperature control ranging from -40°C to 200°C. With ±1°C temperature stability, it meets the requirements of laboratory and industrial applications involving precise heating and cooling. Designed with a fully enclosed rotary compressor and air-cooling system, this High and Low Temperature Integrated Circulator ensures consistent and safe operation across various thermal control processes.

Key Features

  • Wide temperature range (-40°C to 200°C) suitable for diverse applications

  • ±1°C stability ensures reliable results in sensitive thermal processes

  • Integrated heating (5 kW) and cooling (1.47 kW) functions in one compact circulator

  • Air-cooled rotary compressor system with R404a refrigerant

  • Strong circulating pump: 370W power, 42 L/min flow, and 22 bar pressure

  • SUS304 stainless steel tank, piping, and valves for corrosion resistance

  • Digital control panel for easy operation and precise adjustments

  • The High and Low Temperature Integrated Circulator is perfect for distillation, synthesis, and reactor temperature control

Technical Specifications

Model: AKGD-20L/-40+200
Temperature Range: -40°C to 200°C
Temperature Stability: ±1°C
Ambient Temperature: 5°C–35°C
Humidity Tolerance: ≤60%
Power Supply: 1PH / 220V / 50Hz
Total Power Consumption: 6.84 kW / 31.1 A
Heating Power: 5 kW
Cooling Power: 1.47 kW
Cooling Type: Air-cooled
Compressor Type: Fully Enclosed Rotary
Compressor Model: MGu325Fxsf050x2 (2 HP)
Refrigerant: R404a
Cooling Capacity:
• 200°C: 4.62 kW
• 30°C: 4.3 kW
• 10°C: 3.16 kW
• -5°C: 2.62 kW
• -10°C: 2.23 kW
• -30°C: 0.65 kW
• -40°C: 0.37 kW
Circulating Pump: 370W / 42 L/min / 22 bar
Circulation Interface: DN15
Circulation Medium: Silicone oil (<50cs)
Liquid Tank Volume: 15 L
Tank/Piping Material: SUS304 Stainless Steel

Compatible Equipment

  • Rotary Evaporator – Achieve precise thermal control during solvent removal with the High and Low Temperature Integrated Circulator

  • Double Glass Reactor – Maintain stable reaction conditions with integrated heating and cooling

  • Vacuum Freeze Dryer – Supports low-temperature requirements with stable chilling performance

  • High-Pressure Reactor – Ideal for processes needing dynamic thermal transitions

  • Thermostatic Bath – Enhances flexibility in customized setups when connected to the High and Low Temperature Integrated Circulator

Why Choose This High and Low Temperature Integrated Circulator

The AKGD-20L/-40+200 is a powerful High and Low Temperature Integrated Circulator tailored for laboratories and production settings requiring both heating and cooling in one device. Its wide temperature span, reliable circulation, and durable SUS304 stainless steel construction ensure long-term operational excellence. Whether you’re conducting chemical synthesis, material testing, or thermal simulations, this High and Low Temperature Integrated Circulator is a dependable partner.

Watch Product Demonstrations

Explore real-world performance and applications in our product demo videos. Visit our video library for more insights and demonstrations.

Explore More Models

Explore more models in our High and Low Temperature Integrated Circulator category for expanded thermal control capabilities.

We provide worldwide shipping for all laboratory equipment. Every order is carefully packaged to ensure safe delivery. If the item is in stock, it will be shipped within 3–7 business days after payment confirmation. For out-of-stock items, we will inform you of the estimated shipping time based on the specific product.

Shipping Methods: DHL, FedEx, UPS, or sea freight (depending on order size and destination)
Estimated Delivery Time:

  • Asia: 5–10 business days

  • Europe & North America: 7–12 business days

  • South America & Africa: 10–15 business days

  • Sea freight: subject to actual transit time

Tracking: A tracking number will be provided via email once the shipment has been dispatched.
Customs & Duties: Buyers are responsible for any import taxes or customs duties required by their country or region.

For bulk orderscustom packaging, or special shipping arrangements, please contact our team for personalized assistance at lab@equilrxnlab.com.

Product specifications

High Pressure Reactor Equipment Specifications
ParameterSpecifications
ModelAKGD-20L/-40+200
Temperature Stability (℃)±1
Operating Temperature Range (℃)-40~200
Ambient Temperature (℃)5~35
Best Ambient Humidity≤60%
Power Supply1PH/220V/50HZ
Total Power (kW/A)6.84/31.1
Cooling Power (kW)1.47
Heating Power (kW)5
Cooling MethodAir-cooled
Compressor ModelMGu325Fxsf050x2
Compressor Power (HP)2
RefrigerantR404a
TypeFully Enclosed Rotary Compressor
Cooling Capacity (kW) @ 200℃4.62KW
Cooling Capacity (kW) @ 30℃4.3KW
Cooling Capacity (kW) @ 10℃3.16KW
Cooling Capacity (kW) @ -5℃2.62KW
Cooling Capacity (kW) @ -10℃2.23KW
Cooling Capacity (kW) @ -30℃0.65KW
Cooling Capacity (kW) @ -40℃0.37KW
Circulating Pump Power (W)370W
Circulating Pump Flow Rate (L/min)42
Circulating Pump Pressure (bar)22
External Circulation Interface SizeDN15
Heat Transfer Fluid Tank MaterialSUS304
Heat transfer fluid piping and valve materialsSUS304
Circulating MediumSilicone oil below 50cs
Internal Liquid Capacity (L)15

introduce

Application Scenarios

  1. Chemical Synthesis and Reaction Control
    The High and Low Temperature Integrated Circulator is ideal for maintaining precise thermal conditions in chemical reactions. It is commonly used with jacketed glass reactors or high-pressure reactors to ensure that exothermic or endothermic reactions remain stable across a wide range of temperatures, from -40°C to 200°C.

  2. Pharmaceutical Process Development
    In pharmaceutical R&D, temperature control is essential for crystallization, compound isolation, and purification. This integrated circulator ensures consistent heating and cooling, enabling researchers to maintain critical process parameters and achieve reproducible results.

  3. Pilot Plant and Scale-Up Testing
    For pilot-scale processes, such as in biotech or chemical pilot plants, the circulator offers robust performance in both heating and chilling, helping scale-up thermal profiles from lab to semi-industrial levels with high stability and reliability.

  4. Distillation and Solvent Recovery
    When paired with rotary evaporators, the High and Low Temperature Integrated Circulator provides rapid heating and efficient cooling, optimizing distillation efficiency while protecting heat-sensitive compounds.

  5. Material Testing and Thermal Simulation
    Engineers use this circulator for thermal cycling of polymers, metals, and composites. It simulates extreme temperatures to test material performance, durability, or expansion under controlled heating and cooling cycles.

  6. Battery and Electronics Testing
    Battery researchers and electronics developers utilize the circulator for thermal management in battery aging tests, thermal runaway studies, and performance assessments under fluctuating temperatures.

  7. Vacuum Freeze Drying Pre-Treatment
    Before vacuum freeze drying, certain materials require controlled pre-cooling. The High and Low Temperature Integrated Circulator offers accurate low-temperature control to enhance drying efficiency and preserve sample integrity.

  8. Food, Cosmetics, and Essential Oil Processing
    In processing natural extracts, flavor compounds, or cosmetic formulations, this circulator supports precise temperature adjustment, which is essential for maintaining product stability, aroma, and active ingredient integrity.

  9. Bioreactors and Fermentation Control
    Temperature is a key factor in microbial activity and enzyme function. This circulator ensures constant temperature in jacketed fermenters or bioreactors, promoting optimal fermentation yields and biological productivity.

  10. Environmental Simulation and Climate Testing
    This unit can simulate real-world environmental temperatures, useful in product testing labs that assess the durability and performance of products under extreme thermal stress conditions.

peculiarity

Eco Cooling: Copeland & Taikang

The refrigeration system uses an American Copeland compressor and a French Taikang high-temperature resistant circulation pump, offering stable performance. It adopts eco-friendly, CFC-free refrigerants, compliant with both EU and national standards.

Safety-Certified Electrical Components

This equipment uses well-known brand electrical components that meet safety standards and can be equipped with explosion-proof distribution boxes.

Compact, High-Efficiency Brazed Plate Heat Exchanger

The refrigeration uses a fully brazed plate heat exchanger, which is space-efficient and has high heat transfer efficiency, requiring less thermal oil.

High-Efficiency Air-Cooled Condenser

Designed for superior heat dissipation and rapid cooling, our air-cooled condenser ensures optimal performance and fast temperature reduction

Scope of Application

Biopharmaceuticals

Scientific Research Experiments

Food Processing

industrial factory

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Factory direct sales

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Customized service

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Actual Product Results at Client Locations

Explore real-world examples of our product in action at client locations, showcasing its effectiveness and performance across various applications.

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