Refrigeration Circuit With Variable Load

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Refrigeration Circuit With Variable Load Specification

Feature
Highly Efficient

Accuracy
100 %

Dimension (L*W*H)
1400x560x1800 Millimeter (mm)

Weight
138 Kilograms (kg)

Warranty
1 year

Usage
Laboratory

About Refrigeration Circuit With Variable Load

REFRIGERATION CIRCUIT WITH VARIABLE LOAD

Refrigeration systems with two-stage compression are used for the generation of particularly low temperatures. At very low temperatures large pressure differences are required between the evaporator and condenser. In a compressor the volumetric efficiency drops significantly at high pressure ratios. Therefore, two compressors are connected in series, with each compressor only having a relatively low pressure ratio. This makes a more favourable dimensioning of the low pressure stage compressor possible. Due to the large specific volume it requires a larger capacity at lower drive power. In addition, intercooling between the low pressure compressor (LP) and the high pressure compressor (HP) reduces the outlet temperature of the HP compressor to harmless values and improves the efficiency of the compression.

The unit perform the following experiments and investigations:

Learning Objectives / Experiments

Design and components of a refrigeration system
Compressor
Condenser
Thermostatic expansion valve evaporator
Pressure switch
Representation of the thermodynamic cycle in the
Log p-h diagram
Determination of important characteristic variables
Coefficient of performance
Refrigeration capacity
Compressor work
Operating behaviour under load

Specification

Investigation of a refrigeration circuit with water circuit as load
Refrigeration circuit with compressor, condenser with fan, thermostatic expansion valve and coaxial coil heat exchanger as evaporator
Water circuit with pump, tank with heater as cooling load at the evaporator
Heater with controller to adjust the tank temperature
Record of all relevant measured values and display directly at the location of measurement
Software for data acquisition via USB under Windows Vista or Windows 7
Refrigerant R134a, CFC-free

Technical Data

Compressor
Refrigeration capacity: approx. 380W at 5/40°C
Evaporator
Refrigerant volume: 0,4L
Water volume: 0,8L
Condenser
Transfer area: approx. 1,25m²
Fan power consumption: 4x 12W
Pump
Max. flow rate: 1,9m³/h
Max. head: 1,4m
Tank
Volume: approx. 4,5L
Heater: approx. 450W

Measuring ranges

Pressure: 2x -1...15bar
Compressor power: 1x 0...750W
Temperature: 6x 0...100°C
Flow rate (water): 1x 0,05...1,8L/min

Dimensions and Weight

LxWxH: 1400x560x1800mm
Weight: approx. 138kg

Versatile Application and Reliable Performance

Built for laboratory environments, this refrigeration circuit excels in accuracy and efficiency. Its variable load adaptation ensures it meets the dynamic demands of research and development projects, offering consistent results over extended periods. The sturdy design and high-quality manufacturing standards guarantee long-term use with minimal maintenance.

Made in India for Global Distribution

As a leading exporter, manufacturer, and supplier from India, this system adheres to international standards, making it suitable for global laboratories. The products robust design and reliable warranty support contribute to its credibility across research institutions and technical facilities worldwide.

FAQs of Refrigeration Circuit With Variable Load:

Q: How does the variable load feature in the refrigeration circuit benefit laboratory experiments?

A: The variable load capability allows you to simulate and test various operational conditions, enabling researchers to observe the refrigeration systems response to different cooling demands. This enhances experimentation flexibility and the systems suitability for a wide range of laboratory applications.

Q: What is the process for installing the refrigeration circuit in a laboratory setting?

A: Installation involves positioning the unit according to its 1400x560x1800 mm dimensions and ensuring its on a stable surface. Professional setup by an experienced technician is advised to connect all electrical and refrigerant lines properly, guaranteeing optimal safety and performance.

Q: When is this refrigeration circuit most effectively used?

A: This system is most effective when precise temperature control and variable cooling conditions are required for experiments, testing, or teaching in laboratory environments, including educational institutions and research centers.

Q: Where is the refrigeration circuit manufactured and supplied from?

A: The system is proudly manufactured in India and is available for both domestic distribution and export worldwide. Its build and features comply with stringent industry and laboratory standards.

Q: What makes this refrigeration circuit highly efficient for laboratory use?

A: Its design prioritizes energy conservation and precise control, enabling maximum efficiency even under variable demands. The systems build quality and modern components help achieve consistent results while reducing operating costs.

Q: How can users benefit from the 100% accuracy and 1-year warranty?

A: Users can conduct experiments with confidence, knowing the equipment delivers dependable and repeatable results. The included 1-year warranty provides added peace of mind, covering any manufacturing defects or operational issues during the period.

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