HK-L0874-89 Medium Reciprocating Single-Stage Refrigeration Compressor Model and Basic Parameters
1. Introduction
HK-L0874-89 medium reciprocating single-stage refrigeration compressor, which is developed and produced by our affiliated entity, is a kind of refrigeration compressor with a wide range of applications. It is most suitable for small to medium-sized refrigeration units, freezers, and refrigeratory, and even can be used in blood banks and other very low-temperature areas with suitable head pressure.
2. Model Parameters
The basic model parameters of HK-L0874-89 medium reciprocating single-stage refrigeration compressor are as follows:
Displacement: Volume V=1.4L/R,Maximum Power input Pmax=4.08KW,Nominal Speed RpmNom=1450r/min, Power in Operation P=0.9~3.6KW,Voltage V=380V,Frequence f=50HZ,Current I=6.9~18A,Starting Nominal Capacity Qnom=1.45KW,Cooling Capacity Q=0.70~2.82KW,Pressure Reduction Pt=77.71bar,Speed-of-Rotation Adjustment: Inverter Control or Electronic Frequency Adjustment,and Automation of Condensation Pressure Control
3. Performance Curve
The performance curves of HK-L0874-89 medium reciprocating single-stage refrigeration compressor are as follows:
•Cooling Capacity Curve：From the cooling capacity curve, we can see that the cooling capacity of the device can reach from 0.7 kW to 2.82 kW at the given pressure reduction ratio of 77.71 bar.
•Power Consumption Curve：The power consumption curve shows that the power input of the device is from 0.9 kW to 4.08 kW when its pressure reduction ratio is 77.71 bar.
•Electric Frequency Adjustment Curve：The electric frequency adjustment curve shows that the speed of rotation of the compressor can be adjusted by inverse control or electronic frequency adjustment control, and the compressor itself can detect and control the condensation pressure automatically.
•Start-Up Curves：In order to protect the unit itself and ensure its normal operation, the compressor starts to operate at a low rate and then gradually increases to its full capacity. This process is called the start-up curve. The start-up curves of HK-L0874-89 medium reciprocating single-stage refrigeration compressor show that its nominal operation capacity is 1.45 kW.
4. Advantages
The advantages of HK-L0874-89 medium reciprocating single-stage refrigeration compressor are as follows:
•High Precision: The device has a maximum working pressure of 77.71 bar and the pressure control accuracy is 0.02 bar, which can ensure the precision of the device control and guarantee its safe and reliable operation.
•High Efficiency and Low Noise: With a wide range of frequency adjustment and delicate control adjustment, the efficiency is high and the noise is low.
•Sturdy and Durable: The selection of materials and the rigorous production process ensures that the compressor is of high quality and can work reliably for a long time.
5. Conclusion
HK-L0874-89 medium reciprocating single-stage refrigeration compressor is the best choice for the small to medium-sized refrigeration units, freezers, and refrigerators which require very low refrigeration temperature. With its high precision, high efficiency and low noise, robust and durable features, it is suitable for various applications.
