Mbsm.pro, Compressor, GM35AF, GM55AF, GM70AF, GM66AF, GM75AF, GM77AF, GM80AF, GM91AF, GM80AF

LBP Compressors with R134A Refrigerant: A Comprehensive Overview

LBP compressors, renowned for their reliability and efficiency, are widely used in various refrigeration applications. This article delves into the specifications of a range of LBP compressors that utilize R134A refrigerant, providing detailed information on their performance parameters and operational characteristics.

Table of Specifications

The table below outlines the key specifications for each model of the LBP compressors:

Model
Displacement (cm³)
Operating Voltage V/Hz
Power HP
Nominal Capacity Kcal
COP W/W
Motor Type
Capacitor Used
GM 35 AF
3.50
187-264V/50Hz
1/10
65
1.05
RSIR/RSCR
2 µF
GM 55 AF
5.48
1/6
118
1.06
3 µF
GM 70 AF
6.64
1/5
158
1.17
4 µF
GM 66 AF
6.60
1/5
147
1.28
4 µF
GM 75 AF
7.39
1/4
172
1.20
4 µF
GM 77 AF
7.70
1/4
165
1.29
4 µF
GM 80 AF
8.10
1/4+
198
1.26
4 µF
GM 91 AF
9.10
1/4+
185
1.29
4 µF
GM 80 AF + kap
8.10
1/4+
198
1.26
CSCR
4 µF

Key Features and Performance Metrics

  1. Displacement : The displacement values range from 3.50 cm³ to 9.10 cm³, indicating the volume of refrigerant that can be compressed per cycle. Higher displacement models like GM 91 AF are suitable for larger cooling capacities.
  2. Operating Voltage : All models operate within the voltage range of 187-264V at a frequency of 50Hz, ensuring compatibility with standard electrical supplies.
  3. Power HP : The power ratings vary from 1/10 HP to 1/4+ HP, reflecting the energy consumption and output capacity of each compressor. Models with higher power ratings, such as GM 80 AF and GM 91 AF, are designed for more demanding applications.
  4. Nominal Capacity : The nominal cooling capacities range from 65 Kcal to 198 Kcal, catering to different cooling requirements. For instance, the GM 80 AF and GM 80 AF + kap models both offer a high cooling capacity of 198 Kcal.
  5. COP (Coefficient of Performance) : The COP values indicate the efficiency of the compressors, with higher values signifying better performance. The GM 66 AF model boasts a COP of 1.28, making it one of the most efficient in the lineup.
  6. Motor Type : Most models feature RSIR/RSCR motor types, known for their robustness and reliability. The GM 80 AF + kap model, however, uses a CSCR motor type, which may offer additional benefits depending on the application.
  7. Capacitor Used : The capacitors used range from 2 µF to 4 µF, aiding in the starting and running of the motors. The GM 80 AF + kap model, with its additional start capacitor, ensures smoother operation under varying load conditions.

Additional Notes

  • All the models listed can be equipped with RUN CAPACITORS upon request, enhancing their performance and longevity.
  • The GM 80 AF + kap model is specifically designed with an additional start capacitor, making it ideal for applications requiring enhanced starting torque.

In conclusion, the LBP compressors with R134A refrigerant offer a versatile range of options to meet diverse cooling needs. Their robust design, coupled with high efficiency and reliability, makes them a preferred choice for various refrigeration systems.

 




Mbsm.pro, Comprehensive Guide to Danfoss Compressors: Specifications, Applications, and Selection Tips

Danfoss compressors are widely recognized for their reliability and efficiency in various refrigeration and air conditioning systems. This article provides a detailed overview of the specifications of different Danfoss compressor models, focusing on capillary length, oil quantity, horsepower, and their respective applications.

Introduction to Danfoss Compressors

Danfoss is a global leader in engineering solutions, particularly in the field of refrigeration and air conditioning. Their compressors are designed to meet the demanding requirements of both commercial and residential applications. The compressors are known for their durability, energy efficiency, and low noise levels.

Key Specifications

The following table outlines the key specifications of various Danfoss compressor models:

Capillary Length (Feet) Capillary Length (cm) Capillary NO Oil Hp (Horsepower) Compressor No
4 Feet 121.92 cm 0.26 150 ml 1/14 TL2A
4 Feet 121.92 cm 0.26 150 ml 1/12 TL2.5A
4 Feet 121.92 cm 0.26 150 ml 1/12 TL2.5B
4 Feet 121.92 cm 0.26 150 ml 1/14 PW3K6
4 Feet 121.92 cm 0.26 150 ml 1/12 PW3K7
6 Feet 182.88 cm 0.26 175 ml 1/10 PW3.5K7
6 Feet 182.88 cm 0.26 175 ml 1/10 TL3B
7.5 Feet 228.6 cm 0.28 200 ml 1/8 TL4B
7.5 Feet 228.6 cm 0.28 200 ml 1/8 TL4A
7.5 Feet 228.6 cm 0.28 200 ml 1/8 PW4.5K9
7.5 Feet 228.6 cm 0.28 200 ml 1/8 PW4.5K7
7.5 Feet 228.6 cm 0.28 200 ml 1/8 PW4.5K11
7.5 Feet 228.6 cm 0.28 200 ml 1/8 TFS4AT
9 Feet 274.32 cm 0.31 250 ml 1/6 TL5A
9 Feet 274.32 cm 0.31 250 ml 1/6 PW5.5K11
9 Feet 274.32 cm 0.31 250 ml 1/6 PW5.5K9
9 Feet 274.32 cm 0.31 250 ml 1/6 TFS5AT
9 Feet 274.32 cm 0.31 250 ml 1/6 FR6B
10 Feet 304.8 cm 0.31 275 ml 1/5 FR7.5A
10 Feet 304.8 cm 0.31 275 ml 1/5 FR7.5B
10 Feet 304.8 cm 0.31 300 ml 1/4 FR8.5A

Detailed Analysis

  1. Capillary Length: The capillary length varies from 4 feet (121.92 cm) to 10 feet (304.8 cm). The length of the capillary tube is crucial as it affects the refrigerant flow and system efficiency.
  2. Capillary Number: This parameter indicates the internal diameter of the capillary tube, which influences the refrigerant flow rate. The capillary number ranges from 0.26 to 0.31.
  3. Oil Quantity: The oil quantity in the compressors ranges from 150 ml to 300 ml. Proper oil levels are essential for lubrication and cooling of the compressor components.
  4. Horsepower (Hp): The horsepower of the compressors varies from 1/14 Hp to 1/4 Hp. This indicates the power output and suitability for different cooling capacities.
  5. Compressor Number: Each compressor model has a unique identifier, such as TL2A, PW3K6, etc. These numbers help in identifying the specific model and its application.

Applications

Danfoss compressors are used in a variety of applications, including:

  • Commercial Refrigeration: Models like TL2A and TL2.5A are commonly used in small commercial refrigeration units.
  • Residential Air Conditioning: Compressors such as PW3K6 and PW3K7 are suitable for residential air conditioning systems.
  • Industrial Cooling: Higher capacity models like FR7.5A and FR8.5A are used in industrial cooling applications.

Conclusion

Danfoss compressors offer a wide range of models to meet diverse refrigeration and air conditioning needs. Understanding the specifications, such as capillary length, oil quantity, and horsepower, is essential for selecting the right compressor for your application. With their robust design and efficient performance, Danfoss compressors continue to be a preferred choice in the industry.

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