Fixed Speed Reciprocating Compressor

LG Fixed Speed Reciprocating Compressor is appropriate in applications where there is a constant compressed gas demand on a daily basis.

LG's fixed speed reciprocating compressor in black with metallic accents is highlighted under lighting.

LG's fixed speed reciprocating compressor in black with metallic accents is highlighted under lighting.

What is Fixed Speed Reciprocating Compressor?

The Fixed Speed Reciprocating Compressor operates at a constant speed, delivering reliable performance for consistent, high-demand applications.

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Key Features

With the simple structure, The LG Fixed Speed Reciprocating Compressors provide reliability in high temperatures and are used in various applications.

Detailed view of an LG fixed speed reciprocating compressor component showing a rotating mechanism with directional arrows.

Simple Structure

The LG Fixed Speed Reciprocating Compressor features a simple structure that efficiently converts rotating motion into reciprocating motion, effectively compressing gas in the cylinder.

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Reliable in High Temperatures

Designed for reliability in high temperatures, LG Fixed Speed Reciprocating Compressor operates efficiently and consistently, providing optimal performance even in hot conditions.

LG fixed speed reciprocating compressor, showcased in front of refrigerator and air conditioner units.

Variety of Applications

The LG Fixed Speed Reciprocating Compressor is versatile, powering a wide range of applications including commercial refrigerators, residential refrigerators, and dehumidifiers.

Product Specifications

RefregerantSeriesApplicationCooling Capacity (W)Cooling Capacity(Btu/hr)
R600aCS,CT,CMLBP55-193188-659
R134aCS,CMLBP55-258188-880
R134aCS,CMHBP372-5981,269-2,040
R290CMWLBP203-335693-1,143

* The capacity is tested under ASHRAE-T LBP conditions at 75rps for AC and DC.

FAQ

Q.

What is a fixed speed reciprocating compressor, and what are its main features?

A.

A fixed speed reciprocating compressor operates at a constant speed, providing consistent and reliable compression performance.

It is a proven design widely used in refrigeration applications. Engineered for simplicity and durability, it is well-suited for stable, continuous cooling demands — including household refrigerator, freezer, water purifier, and light commercial system.

Q.

When is a fixed speed reciprocating compressor the better choice over variable speed?

A.

It is suitable when:

 

· Load conditions are stable and predictable throughout operation

· Cost efficiency is a priority, particularly in terms of lower initial investment

· System simplicity is required

· The application uses standard refrigerants such as R600a, R134a, or R290

Q.

What are the key advantages of fixed speed reciprocating compressor compared to variable speed?

A.

Key advantages include:

 

· Lower initial cost compared to variable speed alternatives

· Simple structure for easy maintenance, based on a straightforward piston-based design that minimizes downtime

· Proven and reliable performance in long-term continuous refrigeration operation

Q.

How does a fixed speed reciprocating compressor compare to variable speed compressor in efficiency, cost, and maintenance?

A.

Compared to variable speed compressor:

 

Advantages

· Simpler and more cost-effective, with fewer electronic components reducing cost and maintenance burden

· Easier maintenance with straightforward mechanical design

 

Limitations

· Less energy-efficient under variable or fluctuating load conditions

· Limited control flexibility compared to inverter-based alternatives

Q.

Is a fixed speed reciprocating compressor suitable for continuous refrigeration operation?

A.

Yes. It is well-suited for continuous and stable operation, especially in basic refrigeration systems. Fixed speed reciprocating compressor is a reliable choice for applications with consistent cooling demands — such as household refrigerator, freezer, and water purifier — where its simple mechanical design supports long-term durability.

Q.

What are typical applications for fixed speed reciprocating compressor?

A.

Typical applications include:

 

· A household refrigerator requiring reliable, long-term continuous operation

· A freezer with consistent stable load conditions

· A water purifier or dispenser with low-capacity cooling needs

· Basic refrigeration systems where cost-efficiency and simplicity are prioritized

 

These systems are compatible with refrigerants such as R600a, R134a, and R290.

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