Compressor 17c: Types, Key Features, and How It Supports Industrial Performance

Types of Compressor 17c

A Compressor 17c refers to a category of industrial and commercial air compressors known for their efficiency, durability, and adaptability across various applications. These compressors convert power into potential energy stored in pressurized air, which is essential for powering tools, machinery, and pneumatic systems. Understanding the different types helps in selecting the right model based on performance needs, energy efficiency, and operational demands.

Piston Air Compressors

Operating on principles similar to internal combustion engines, piston compressors use a crankshaft-driven piston within a cylinder to draw in and compress air. As the piston descends, it creates a vacuum that draws air in through an intake valve; during the upward stroke, the air is compressed and discharged. Single-stage models compress air in one stroke (up to 120–150 psi), while two-stage versions re-compress the air in a second cylinder for higher pressures and improved efficiency.

Advantages

• High pressure output suitable for heavy-duty tasks
• Cost-effective for small to medium operations
• Widely available and easy to maintain
• Ideal for intermittent use applications

Limitations

• Noisier operation compared to other types
• Higher vibration levels require stable mounting
• Less efficient for continuous operation
• More moving parts increase wear and maintenance

Best for: Workshops, garages, construction sites, and DIY applications with variable demand

Screw Compressors

Rotary screw compressors utilize two intermeshing spiral rotors that rotate in opposite directions to trap and compress air progressively along the rotor length. This design enables smooth, continuous airflow with minimal pulsation. With efficiency rates between 75% and 90%, they outperform many piston models. Their robust construction and fewer moving parts reduce mechanical stress, making them ideal for long-term industrial use.

Advantages

• High efficiency and consistent airflow
• Low maintenance due to fewer wear components
• Quiet and vibration-free operation
• Perfect for 24/7 industrial environments

Limitations

• Higher initial investment cost
• Requires professional installation and service
• Larger footprint than piston models
• Sensitive to contaminants if filtration is inadequate

Best for: Manufacturing plants, production lines, and facilities requiring constant compressed air

Scroll Air Compressors

Scroll compressors feature two spiral-shaped scrolls—one stationary and one orbiting eccentrically without rotating. As the moving scroll orbits, air pockets form and gradually shrink toward the center, compressing the air smoothly and quietly. This oil-free design ensures clean air output, making it ideal for sensitive environments. While not suited for extremely high-pressure demands, scroll compressors offer reliable performance for light to moderate applications.

Advantages

• Near-silent operation
• Oil-free air output (ideal for food, medical, lab use)
• High reliability with minimal maintenance
• Compact and lightweight design

Limitations

• Limited pressure and capacity compared to screw types
• Not suitable for heavy industrial use
• Performance can degrade over time with scroll wear
• Higher cost per CFM than piston models

Best for: Laboratories, dental offices, food processing, and cleanroom environments

Variable Speed Compressors

Also known as Variable Speed Drive (VSD) compressors, these models adjust motor speed in real-time based on air demand. Unlike fixed-speed units that cycle on and off, VSD compressors modulate power usage precisely, reducing energy waste. Advanced controls monitor system pressure and dynamically regulate compressor output, improving thermal management and extending component life through reduced thermal cycling.

Advantages

• Energy savings of up to 35% under partial load
• Precise pressure control and stable output
• Reduced wear from fewer start-stop cycles
• Lower long-term operating and maintenance costs

Limitations

• Higher upfront cost
• More complex electronics require skilled servicing
• Sensitive to electrical fluctuations and harmonics
• May not be cost-effective for constant-load applications

Best for: Facilities with fluctuating air demand, green initiatives, and energy-conscious operations

Centrifugal Air Compressors

These compressors use high-speed rotating impellers to accelerate air radially outward. The kinetic energy is then converted into pressure energy via a diffuser and volute casing. Operating at very high RPMs (up to 50,000+), centrifugal compressors deliver large volumes of oil-free compressed air. They are typically multi-stage units with intercoolers between stages to enhance efficiency and manage heat buildup.

Advantages

• Capable of very high flow rates (ideal for massive demand)
• Fully oil-free compression process
• Excellent energy efficiency at full load
• Low vibration and quiet operation

Limitations

• Poor efficiency at low loads or partial capacity
• High initial and installation costs
• Complex design requires expert maintenance
• Susceptible to surge conditions if not properly controlled

Best for: Large-scale industrial plants, refineries, chemical processing, and power generation

Type	Efficiency	Noise Level	Best Use Case	Maintenance Needs
Piston Air Compressor	Moderate (60–75%)	High	Intermittent use, workshops	Moderate to high
Screw Compressor	High (75–90%)	Low to moderate	Continuous industrial use	Low to moderate
Scroll Air Compressor	High (80–85%)	Very low	Clean environments, medical	Very low
Variable Speed Compressor	Very high (up to 90% at partial load)	Low	Fluctuating demand	Moderate (electronic systems)
Centrifugal Compressor	Very high (at full load)	Low	High-volume continuous flow	High (specialized)

Expert Tip: When selecting a Compressor 17c, consider not only the initial purchase price but also Total Cost of Ownership (TCO), including energy consumption, maintenance, and expected lifespan. For example, a variable speed screw compressor may have a higher upfront cost but can save thousands in energy over its lifetime in a dynamic-use environment.

Specifications & Maintenance of Mc17c Air Compressor

The Mc17c air compressor is a versatile and reliable industrial-grade machine designed for consistent performance across various applications, including automotive repair, construction, and manufacturing. Available in multiple configurations, the Mc17c offers a balance of power, efficiency, and durability. Understanding its technical specifications and adhering to a structured maintenance routine ensures long-term reliability and optimal air delivery.

Key Technical Specifications

Flow Rate (Air Delivery)

The flow rate determines how much compressed air the Mc17c can deliver over time, directly impacting the performance of pneumatic tools. It is typically measured in liters per minute (L/min) or cubic feet per minute (CFM).

The Mc17c delivers between 105–145 L/min (approximately 3.7–5.1 CFM), depending on the model and operating conditions. This range makes it suitable for powering tools such as impact wrenches, spray guns, and nailers without significant pressure drops.

Operating Pressure

Operating pressure indicates the maximum air pressure the compressor can generate, which is crucial for tool compatibility and performance.

The Mc17c operates within a pressure range of 6–8 bar (87–116 PSI), making it ideal for medium-duty industrial tasks. This pressure level ensures sufficient force for most pneumatic equipment while maintaining energy efficiency and reducing wear on internal components.

Power & Electrical Requirements

The Mc17c is powered by an electric motor with an output of 1.7 kW to 2.2 kW, equivalent to approximately 2.3 to 3 horsepower. This power range provides strong startup torque and consistent airflow under load.

It supports both industrial and residential power supplies:

• Three-phase power: 380–440V (ideal for industrial settings with stable power supply)
• Single-phase power: 220–240V (suitable for workshops and smaller operations)

Tank Capacity & Material

The Mc17c features a storage tank ranging from 25 to 50 liters (6.6 to 13.2 gallons), allowing for intermittent use of air tools without continuous motor operation.

The tank is constructed from steel or galvanized steel tubing, offering excellent resistance to rust and corrosion. Galvanization extends the tank’s lifespan, especially in humid environments, and helps maintain air quality by preventing internal contamination.

Dimensions & Portability

Physical size and weight are important for installation and mobility. The Mc17c has compact yet robust dimensions of approximately 1.28 x 0.59 x 0.93 meters (L x W x H), making it suitable for placement in tight workshops or garages.

With a total weight of around 95 kg (209 lbs), the unit is stable during operation and less prone to vibration, though it may require assistance or a dolly for relocation.

Accessories & Connectivity

The Mc17c is compatible with a range of accessories that enhance functionality and ease of use:

• Air hoses: Flexible tubing for connecting tools
• Quick-connect couplers: Allow fast tool changes
• Pressure gauge & regulator: Enable precise control of output pressure
• Air wand or blow gun: Used for cleaning debris from machinery or surfaces

Specification	Value Range	Notes
Flow Rate	105–145 L/min (3.7–5.1 CFM)	Varies by model; higher flow supports multiple tools
Operating Pressure	6–8 bar (87–116 PSI)	Suitable for most industrial pneumatic tools
Motor Power	1.7–2.2 kW (2.3–3 HP)	Available in single or three-phase configurations
Tank Capacity	25–50 L (6.6–13.2 gal)	Galvanized steel for corrosion resistance
Dimensions	1.28 × 0.59 × 0.93 m	Compact footprint for workshop integration
Weight	95 kg (209 lbs)	Stable operation; may require assistance to move

Essential Maintenance Practices

Regular maintenance is critical to maximizing the lifespan and efficiency of the Mc17c air compressor. Neglecting upkeep can lead to reduced performance, increased energy consumption, and premature component failure.

Oil Management: The Mc17c uses oil-lubricated pumps to reduce friction and heat in moving parts. Check oil levels regularly through the sight glass (if equipped) and maintain the level between the minimum and maximum marks. Replace the oil every 500 operating hours and the oil filter every 2,000 hours to prevent sludge buildup and ensure smooth operation.

Air Filter Maintenance: The air intake filter prevents dust, dirt, and moisture from entering the compression chamber. Inspect the filter monthly and clean it every 3 months using compressed air or a soft brush. Replace the filter immediately if torn, clogged, or excessively dirty to maintain airflow and protect internal components.

Moisture Drainage: Condensation forms inside the tank due to compressed air cooling. If not removed, moisture can cause rust and degrade air quality. Models without automatic drains should be manually emptied daily or weekly by opening the tank’s drain valve at the bottom. This simple step significantly extends tank life.

Hoses & Belts Inspection: Check air hoses and drive belts monthly for signs of wear, such as cracks, fraying, leaks, or looseness. Replace damaged hoses to prevent air loss and ensure safety. Adjust or replace belts if slippage occurs, which can reduce efficiency and strain the motor.

General Cleaning: Dust and debris can obstruct ventilation and cooling. Wipe down the exterior with a damp cloth and mild soapy water. Always disconnect power before cleaning. Pay attention to cooling fins, motor vents, and electrical components to prevent overheating.

Important: Always consult the Mc17c compressor’s official service manual before performing maintenance. Use only manufacturer-recommended lubricants and replacement parts. Failure to follow proper procedures may void warranties and create safety hazards. Routine care not only enhances performance but also ensures safe, reliable operation for years to come.

Applications of the 17C Compressor Across Industries

The 17C compressor is a versatile and robust mechanical component widely used across multiple industries due to its reliability, efficiency, and ability to handle demanding operational conditions. Engineered for performance in both cooling and vacuum applications, the 17C compressor plays a critical role in maintaining environmental control, product quality, and system integrity in diverse settings—from automotive cabins to industrial manufacturing plants.

🔧 Automotive Air Conditioning

The 17C compressor is a core component in mobile air conditioning systems, where it circulates refrigerant through key system parts including the evaporator, condenser, expansion valve, and blower fan. Originally developed for automotive use, this compressor effectively lowers cabin temperature by compressing and transferring refrigerant, enabling efficient heat exchange.

• Ensures passenger comfort in passenger vehicles, trucks, and buses
• Compatible with common refrigerants like R134a and R1234yf
• Designed for durability under variable engine speeds and outdoor temperatures
• Contributes to improved fuel efficiency when paired with modern climate control systems

Key Benefit: Reliable performance in stop-and-go traffic and extreme weather conditions makes it ideal for daily-use vehicles.

冷库 Large Commercial Refrigeration

In large-scale commercial refrigeration—such as supermarkets, cold storage warehouses, and food distribution centers—the 17C compressor helps maintain a consistent and reliable cold chain. By ensuring that perishable goods remain at optimal temperatures throughout the supply chain, it preserves freshness, prevents spoilage, and complies with food safety regulations.

• Used in walk-in coolers, refrigerated display cases, and blast freezers
• Supports temperature zones from +4°C (40°F) for chilled goods to -18°C (0°F) for frozen products
• Enables energy-efficient operation in high-duty-cycle environments
• Integrates with centralized refrigeration systems for multi-point cooling

Industry Impact: Reduces food waste and ensures compliance with HACCP and FDA cold chain standards.

🏭 Industrial Refrigeration

Industrial facilities such as food processing plants, chemical manufacturing units, and pharmaceutical labs rely heavily on the 17C compressor for process cooling and environmental control. These applications demand continuous, high-capacity refrigeration to protect sensitive equipment, maintain product consistency, and ensure worker safety.

• Cools machinery and reactors in chemical and biotech production
• Used in meat and dairy processing to prevent bacterial growth
• Supports glycol-based secondary cooling loops for precise temperature control
• Operates efficiently in harsh industrial environments with dust, vibration, and fluctuating loads

Technical Advantage: High thermal efficiency and resistance to wear make it suitable for 24/7 operation in mission-critical settings.

🏢 Commercial Air Conditioning

Large commercial buildings—including office complexes, shopping malls, hospitals, and data centers—utilize the 17C compressor in industrial-grade HVAC systems. Unlike residential units, these systems require robust compressors capable of managing substantial thermal loads and maintaining indoor air quality across vast spaces.

• Integrated into rooftop units (RTUs), chillers, and VRF systems
• Provides consistent cooling even during peak summer demand
• Supports smart building automation and energy management systems
• Designed for quiet operation to maintain comfort in occupied spaces

Energy Insight: When paired with variable frequency drives (VFDs), the 17C compressor can reduce energy consumption by up to 30%.

🌀 Vacuum Pumps

Beyond cooling applications, the 17C compressor is adapted for use in vacuum pump systems that create and maintain low-pressure environments. These are essential in high-precision industries where contamination control and pressure stability are paramount.

• Used in semiconductor fabrication for cleanroom vacuum handling
• Supports medical equipment such as vacuum-assisted wound therapy and surgical aspirators
• Enables vacuum packaging in food and pharmaceutical industries to extend shelf life
• Provides reliable suction in laboratory filtration and degassing processes

Precision Note: The 17C’s consistent compression ratio and minimal leakage ensure accurate and stable vacuum levels critical for sensitive operations.

Pro Tip: When selecting a 17C compressor for any application, consider ambient operating conditions, required duty cycle, refrigerant compatibility, and maintenance accessibility. Pairing the compressor with proper filtration, oil management, and control systems significantly enhances longevity and performance.

Application	Operating Temperature Range	Typical Refrigerant	Key Performance Metric
Automotive AC	+5°C to +60°C	R134a / R1234yf	Quick cool-down & vibration resistance
Commercial Refrigeration	-25°C to +10°C	R404A / R507	Energy efficiency & uptime
Industrial Refrigeration	-40°C to +5°C	Ammonia (NH₃) / CO₂	High capacity & durability
Commercial HVAC	+15°C to +45°C	R410A / R32	Cooling capacity & noise level
Vacuum Pumps	+5°C to +40°C	Oil-sealed or dry operation	Vacuum depth & consistency

Why the 17C Compressor Stands Out

• Versatility: Adaptable across cooling, heating, and vacuum applications with proper configuration
• Reliability: Built with reinforced seals and high-grade materials to withstand continuous operation
• Maintenance-Friendly: Modular design allows for easier servicing and part replacement
• Global Compliance: Meets ISO, ASHRAE, and CE standards for safety and performance
• Sustainability: Compatible with low-GWP refrigerants, supporting environmental regulations

How to Choose the Right Air Compressor: A Comprehensive Guide

Selecting the ideal air compressor—such as a model like "Compressor 17c"—requires careful evaluation of several key performance and operational factors. Whether you're using it for home workshops, automotive repair, construction, or industrial applications, making an informed decision ensures reliability, efficiency, and long-term value. This guide breaks down the essential criteria to consider when choosing an air compressor, helping you match the machine to your specific needs.

Important Note: Always match the compressor specifications to your tools' requirements. Using an undersized or incompatible unit can lead to poor performance, tool damage, and increased wear on the compressor itself.

Key Factors to Consider When Choosing an Air Compressor

1. Check Air Delivery and Duty Cycle

   Air delivery, measured in CFM (Cubic Feet per Minute) at a specific PSI (Pounds per Square Inch), determines how much air the compressor can supply continuously. It’s crucial to understand both the peak and continuous air demands of your tools.

   • Calculate the total CFM requirement by adding up the needs of all tools that may operate simultaneously
   • Consider the duty cycle—the percentage of time the compressor can run within a given period (e.g., 75% duty cycle = 45 seconds on, 15 seconds off in a 60-second window)
   • For heavy-duty or continuous use (e.g., sandblasting, spray painting), choose a compressor with a high CFM rating and a 100% duty cycle capability
   • Intermittent tasks (e.g., nailing, inflating tires) allow for lower CFM models with shorter duty cycles
2. Evaluate Tank Size and Air Storage Capacity

   The tank size, measured in gallons or liters, affects how long the compressor can deliver air before the motor needs to kick in again. A larger tank provides more stored compressed air, reducing cycling frequency and enabling longer tool usage between runs.

   • Small tanks (1–6 gallons): Ideal for light, portable tasks like inflating tires or powering small nail guns
   • Medium tanks (6–20 gallons): Suitable for general workshop use, including impact wrenches and ratchets
   • Large tanks (20+ gallons): Best for continuous operation with tools like air grinders, sanders, and paint sprayers
   • Tank material matters—steel tanks are durable but heavier; composite tanks are lighter and resistant to rust
3. Consider Portability and Build Design

   If your work involves moving between job sites or working in tight spaces, portability becomes a critical factor.

   • Look for lightweight models with ergonomic handles and compact footprints
   • Wheeled compressors (especially two-wheel designs) make transportation easier over long distances or uneven terrain
   • Check the overall dimensions and weight—portable units typically weigh under 50 lbs and fit in a vehicle trunk
   • Durable construction with protective coatings or roll cages helps withstand job site conditions
4. Understand Noise Levels (dBA Rating)

   Noise output is measured in decibels (dBA). Compressors can range from relatively quiet (60–70 dBA) to very loud (90+ dBA), which can be disruptive or even hazardous in certain environments.

   • For indoor or residential use, aim for models under 75 dBA to maintain comfort and comply with noise regulations
   • Quiet compressors often feature sound-dampening enclosures or oil-lubricated pumps that run more smoothly
   • Always wear hearing protection when operating loud compressors for extended periods
   • Check manufacturer noise ratings under standard operating conditions for accurate comparisons
5. Analyze Service Requirements and Maintenance Needs

   Regular maintenance ensures longevity and consistent performance. However, some compressors require more frequent servicing than others.

   • Oil-lubricated compressors offer longer life and better cooling but require periodic oil changes and filter replacements
   • Oil-free models are low-maintenance and cleaner but may have a shorter lifespan under heavy use
   • Check availability of replacement parts, service centers, and warranty terms before purchasing
   • Look for accessible drain valves, air filters, and service indicators to simplify upkeep
   • Models with automatic moisture drains and pressure regulators reduce manual intervention

Selection Factor	Ideal For	Avoid If	Recommended Features
Air Delivery (CFM/PSI)	High-demand tools (spray guns, sanders)	CFM below tool requirements	Adjustable regulator, high-flow hose fittings
Tank Size	Continuous or multi-tool use	Frequent motor cycling	Large capacity (20+ gal), steel construction
Portability	Job sites, garages, mobile use	Heavy, non-wheeled units	Wheels, handle, lightweight design
Noise Level	Indoor/residential environments	Noise above 80 dBA	Sound-dampening housing, oil-lubricated pump
Maintenance Needs	Long-term reliability	Hard-to-find parts or complex servicing	Oil-free option, easy-access filters, warranty support

Expert Tip: Before purchasing a compressor like "Compressor 17c," create a checklist of your most commonly used pneumatic tools and their air requirements. This will help you select a unit that not only meets current needs but also allows room for future expansion.

Additional Selection Tips

• Verify voltage requirements—most portable units run on 120V, while industrial models may need 240V power
• Look for safety certifications (e.g., UL, CSA, CE) to ensure compliance with electrical and mechanical standards
• Check hose compatibility—1/4-inch diameter hoses are standard, but longer runs may require larger diameters to reduce pressure drop
• Consider dual-voltage or inverter-compatible models for off-grid or remote applications
• Read user reviews and professional ratings to assess real-world performance and durability

Choosing the right air compressor is about balancing performance, convenience, and long-term value. By carefully evaluating air delivery, tank size, portability, noise, and maintenance needs, you can select a model like Compressor 17c that delivers reliable power for your specific applications. Whether you're a DIY enthusiast or a professional tradesperson, investing time in proper selection pays off in efficiency, safety, and equipment longevity.

Compressor 17C: Frequently Asked Questions & Expert Insights

Q1: How are gas reciprocating compressors recycled?

Recycling gas reciprocating compressors involves dismantling the unit and reclaiming valuable components for reuse or proper disposal. This process supports sustainability and reduces industrial waste.

• Reusable Components: Critical parts such as valves, connecting rods, crankshafts, bearings, and gaskets are often salvaged. These high-grade metal components can be refurbished and repurposed in other machinery.
• Material Recovery: Steel, cast iron, aluminum, and copper from casings, motors, and wiring are separated and sent to metal recycling facilities where they are melted down and reused in new manufacturing processes.
• Specialized Services: Many industrial recycling companies offer full-service compressor take-back programs, including pickup, disassembly, and environmentally compliant processing.
• Hazardous Materials: Oil residues, seals with contaminants, and non-recyclable rubber components may be processed through controlled incineration or hazardous waste facilities to meet environmental regulations.

Proper recycling not only conserves raw materials but also ensures compliance with environmental standards and can sometimes generate residual value from scrap metal sales.

Q2: What are the current trends in gas compressor technology and market demand?

The gas compressor industry is undergoing significant transformation driven by energy efficiency goals, technological innovation, and the global shift toward cleaner energy sources.

• Rise of Natural Gas Infrastructure: As natural gas continues to serve as a transitional fuel in power generation and industrial applications, demand for reliable compression systems has surged—especially in LNG (liquefied natural gas) processing, pipeline transmission, and CNG (compressed natural gas) vehicle fueling stations.
• Transcritical CO₂ Compressors: These are gaining popularity in refrigeration and heat pump systems due to their superior performance in high-temperature environments and low global warming potential (GWP), aligning with eco-friendly refrigerant regulations like the F-Gas Directive.
• Integration of Variable Frequency Drives (VFDs): Modern compressors increasingly incorporate VFDs to dynamically adjust motor speed based on real-time demand. This allows for precise control of airflow and pressure, reducing energy consumption by up to 30–50% compared to fixed-speed models.
• Smart Monitoring & IoT: Advanced sensors and remote monitoring systems enable predictive maintenance, fault detection, and performance optimization, minimizing downtime and extending equipment life.
• Sustainability Focus: Manufacturers are investing in quieter, more efficient, and lower-emission designs, including hybrid and electric-driven compressors for reduced carbon footprint.

These trends reflect a broader industry movement toward smarter, greener, and more adaptable compression solutions that meet evolving regulatory and operational demands.

Q3: Can a damaged gas compressor be repaired, or must it be replaced?

Whether a damaged gas reciprocating compressor can be repaired depends on the nature and severity of the damage. Not all issues require full replacement—many can be effectively restored by qualified technicians.

• Repairable Issues:
  • Valve Failures: Worn or cracked valves are common wear items and can be replaced during routine servicing.
  • Gas Line Leaks: Cracked hoses, loose fittings, or corroded piping can be repaired or replaced to restore system integrity.
  • Clutch or Coupling Misalignment: Adjustments or replacements can resolve drive train inefficiencies.
  • Oil System Problems: Clogged filters, degraded lubricants, or minor seal leaks are typically fixable without major overhauls.
• Irreparable Damage:
  • Crankshaft or Cylinder Damage: Severe scoring, cracking, or warping often makes rebuilding impractical or uneconomical.
  • Major Structural Fatigue: Long-term stress or overheating can compromise the frame or housing beyond safe repair.
  • Extensive Corrosion: Especially in humid or marine environments, deep corrosion may render the unit unsafe.

A professional assessment is crucial. Technicians use vibration analysis, pressure testing, and visual inspection to determine if repair is viable. In many cases, timely servicing can extend the compressor’s life significantly, avoiding costly replacements.

Q4: What is the typical lifespan of a gas reciprocating compressor?

With proper care and regular maintenance, a gas reciprocating compressor can operate reliably for **13 to 15 years or longer**. Some well-maintained industrial units have been known to exceed 20 years of service.

Key factors influencing longevity include:

• Routine Maintenance: Regular oil changes, filter replacements, valve inspections, and alignment checks prevent premature wear and ensure smooth operation.
• Operating Conditions: Compressors used in clean, temperature-controlled environments with stable load cycles tend to last longer than those exposed to dust, moisture, or frequent start-stop cycles.
• Load Management: Running the compressor within its designed capacity and avoiding sustained overloading helps preserve internal components.
• Monitoring Performance: Tracking parameters like discharge temperature, vibration levels, and pressure differentials allows early detection of developing issues.

Implementing a preventive maintenance schedule—as recommended by the manufacturer or an engineering specialist—can dramatically improve reliability and return on investment over the compressor’s operational life.