Used compressors - air compressors for sale

Nominal Pressure	0.6 bar
Loaded hours	0 H
Volts	400 V

Output (m3 /hour)	20 m³/h
Engine power	22 kW
Frequency	50 Hz

Nominal Pressure	1 bar
Loaded hours	0 H
Volts	380 V

Output (m3 /hour)	22 m³/h
Engine power	37 kW
Frequency	50 Hz

Nominal Pressure	8.5 bar
Loaded hours	250 H
Volts	380 V

Output (m3 /hour)	209.9 m³/h
Engine power	252 kW
Frequency	50 Hz

Nominal Pressure	7 bar
Engine power	37.28561 kW
Frequency	50 Hz

Output (m3 /hour)	414 m³/h
Volts	380 V
Dryer integrated	Yes

Engine power	30 kW
Volts	400 V
Dryer integrated	No

Tank capacity	0 L
Frequency	50 Hz

Nominal Pressure	0.2 bar
Loaded hours	0 H
Volts	400 V

Output (m3 /hour)	12.8 m³/h
Engine power	5.5 kW
Frequency	50 Hz

Nominal Pressure	12.8 bar
Volts	400 V
Dryer integrated	Yes

Engine power	90 kW
Frequency	50 Hz

Nominal Pressure	7.5 bar
Engine power	37 kW
Frequency	50 Hz

Loaded hours	38542 H
Volts	380 V
Dryer integrated	No

Nominal Pressure	10 bar
Engine power	15 kW
Frequency	50 Hz

Loaded hours	1092 H
Volts	380 V
Dryer integrated	Yes

Nominal Pressure	7.3 bar
Engine power	5.5 kW

Loaded hours	52078 H
Dryer integrated	Yes

Nominal Pressure	1.8 bar
Loaded hours	0 H
Volts	400 V

Output (m3 /hour)	250 m³/h
Engine power	11 kW

Nominal Pressure	7 bar
Engine power	37.28561 kW
Frequency	50 Hz

Output (m3 /hour)	414 m³/h
Volts	380 V
Dryer integrated	No

Nominal Pressure	9 bar
Loaded hours	1300 H
Tank capacity	270 L

Output (m3 /hour)	1.5 m³/h
Engine power	7.5 kW
Volts	400 V

Nominal Pressure	14 bar
Loaded hours	158146 H
Volts	220 V

Output (m3 /hour)	6.3 m³/h
Engine power	55 kW
Frequency	50 Hz

Nominal Pressure	7.5 bar
Loaded hours	5396 H
Volts	220 V

Output (m3 /hour)	4.4 m³/h
Engine power	30 kW
Frequency	50 Hz

Nominal Pressure	8 bar
Loaded hours	3165 H
Volts	380 V

Output (m3 /hour)	1.7 m³/h
Engine power	11 kW
Dryer integrated	No

Nominal Pressure	8 bar
Engine power	2.2 kW
Volts	400 V

Output (m3 /hour)	15 m³/h
Tank capacity	270 L
Frequency	50 Hz

Nominal Pressure	12.5 bar
Loaded hours	1704 H
Volts	400 V

Output (m3 /hour)	51 m³/h
Engine power	55 kW
Frequency	50 Hz

Powering Your Operations: A Deep Dive into Industrial Compressors

Compressors are the heartbeat of countless industrial operations, driving everything from pneumatic tools and cooling systems to material transport and process automation. Their versatility and reliability make them indispensable in various sectors, ensuring that businesses run smoothly and efficiently. This guide explores the types, features, and key considerations for selecting compressors, helping you make informed decisions that enhance your operational capabilities. Exapro, a leading online marketplace for used industrial machinery, offers a wide range of compressors, providing access to high-quality equipment at competitive prices.

Types of Compressors

Compressors come in several configurations, each tailored to specific industrial applications. Here’s a breakdown of the main types:

Rotary Screw Compressors

Renowned for their continuous operation and efficiency, rotary screw compressors are the backbone of many industrial processes. They use two interlocking screws to compress air, providing a steady, reliable air supply.

Oil-Injected Rotary Screw Compressors: These machines use oil for lubrication and cooling, making them durable and efficient. They are suitable for a wide range of applications, from manufacturing to automotive services.
Oil-Free Rotary Screw Compressors: Ideal for applications where air purity is crucial, such as food processing and pharmaceuticals, these compressors do not use oil in the compression chamber.

Reciprocating Compressors

Also known as piston compressors, these machines use a piston driven by a crankshaft to deliver high-pressure air. They are perfect for applications requiring intermittent, high-pressure air.

Single-Stage Reciprocating Compressors: Suitable for low to medium pressure applications, compressing air in a single stroke.
Two-Stage Reciprocating Compressors: Provide higher pressure and efficiency, compressing air in two stages, ideal for demanding applications.

Centrifugal Compressors

Using a rotating impeller to accelerate air, centrifugal compressors convert kinetic energy into pressure. They are ideal for large-scale operations requiring high volumes of compressed air.

Single-Stage Centrifugal Compressors: Suitable for moderate pressure and high flow rates, perfect for medium-sized industrial applications.
Multi-Stage Centrifugal Compressors: Capable of delivering high pressure and large volumes of air, making them ideal for extensive industrial applications.

Scroll Compressors

Scroll compressors, featuring two interleaved spiral scrolls, are known for their quiet operation and efficiency. They are commonly used in smaller, quieter applications.

Oil-Injected Scroll Compressors: Provide higher efficiency through oil lubrication.
Oil-Free Scroll Compressors: Ensure clean air for sensitive applications, such as in the food and pharmaceutical industries.

Rotary Vane Compressors

These compressors use a rotating cylinder with adjustable vanes to compress air, known for their durability and efficiency.

Oil-Injected Rotary Vane Compressors: Enhance efficiency and lifespan through oil lubrication.
Oil-Free Rotary Vane Compressors: Provide clean air for food and beverage processing.

Exapro offers a variety of these compressors, ensuring businesses can find equipment that meets their specific needs.

Key Features and Specifications

Selecting the right compressor involves understanding critical features and specifications to match your operational requirements. Here’s what to consider:

Capacity and Output

Measure the compressor's capacity and output in cubic feet per minute (CFM) or liters per minute (L/min) to ensure it meets your specific air demand.

Pressure Range

Consider the maximum pressure the compressor can deliver, measured in pounds per square inch (PSI), to ensure it can power your pneumatic tools and equipment effectively.

Energy Efficiency

Energy-efficient compressors reduce operational costs and environmental impact. Look for features like variable speed drives (VSD) and efficient motors to optimize energy consumption.

Automation and Control

Advanced automation and control systems enhance operational precision and consistency. Features like programmable settings, touch-screen interfaces, and real-time monitoring can boost productivity and ensure a reliable air supply.

Noise Level

Choose compressors designed for quiet operation, particularly important for indoor or noise-sensitive environments.

Durability and Maintenance

Opt for compressors built from high-quality, corrosion-resistant materials. Easy-to-clean designs and accessible components simplify maintenance, reducing downtime and operational costs.

Leading Brands in Compressors

Reputable brands ensure higher quality and better support. Here are some top brands in the compressor market:

Atlas Copco: Known for innovative and high-precision machines, Atlas Copco provides robust solutions for various industrial applications.
Ingersoll Rand: Renowned for durability and advanced technology, making them a popular choice in many industries.
Kaeser: Offers high-performance compressors known for reliability and efficiency.
Sullair: Known for efficiency and versatility, suitable for large-scale operations.
Gardner Denver: Provides precision-designed compressors ideal for complex, high-volume production.

Exapro features equipment from these and other reputable brands, ensuring access to reliable and well-supported machinery.

Pricing of Used Compressors

The cost of used compressors varies widely based on age, condition, brand, and features. Prices typically range from several thousand to several tens of thousands of dollars. For instance, a used Atlas Copco rotary screw compressor might be priced between $10,000 and $30,000, while a high-end Ingersoll Rand centrifugal compressor could cost $50,000 to $100,000. Exapro’s marketplace offers transparent pricing options, ensuring competitive deals for buyers.

Conclusion

Compressors are indispensable in industrial operations, providing efficient and reliable solutions for powering tools and processes. By understanding the different types of compressors and key factors to consider when purchasing, businesses can make informed decisions that enhance their operational capabilities. Exapro offers a comprehensive platform for sourcing high-quality used machinery, with detailed listings and competitive pricing. Whether you need a rotary screw, reciprocating, centrifugal, scroll, or rotary vane compressor, Exapro’s extensive inventory and user-friendly interface make it easy to find the right equipment for your needs.

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