Sullair 125GPQ Portable Air Compressor

[MikePhua]

Introduction
The Sullair 125GPQ portable air compressor is engineered for demanding industrial applications, offering a balance between performance, durability, and portability. This model is part of Sullair's renowned line of rotary screw compressors, known for their reliability and efficiency in various construction, mining, and maintenance tasks.
Historical Background of Sullair
Founded in 1965 in Michigan City, Indiana, Sullair Corporation revolutionized the U.S. compressor market by introducing rotary screw technology, a design pioneered by Swedish engineer Alf Lysholm in 1934. Sullair's commitment to this technology set them apart in an industry still dominated by piston-driven compressors. Over the decades, Sullair has expanded its operations globally, with manufacturing facilities in the U.S., China, and service offices in Australia and the U.K. In 2017, Sullair was acquired by Hitachi, further solidifying its position in the global market .
Technical Specifications

• Compressor Type: Rotary screw
  
• Engine: Typically powered by a diesel engine, providing mobility and autonomy on job sites.
  
• Air Delivery: Approximately 125 CFM (cubic feet per minute), suitable for powering pneumatic tools and equipment.
  
• Operating Pressure: Generally around 100 psi, adaptable to various applications.
  
• Fuel Capacity: Designed for extended operation, reducing the need for frequent refueling.
  
• Dimensions and Weight: Compact and lightweight design for easy transport and maneuverability on-site.
  

Design Features
The 125GPQ model is built with user-friendly features to enhance operational efficiency:

• Adjustable Height Hitch: Facilitates easy towing and alignment with different vehicle heights.
  
• Heated Controls: Ensures functionality in cold weather conditions, preventing freezing of components.
  
• Color-Coded Control Lines: Simplifies maintenance and troubleshooting by clearly identifying different systems.
  
• Discharge Air Temperature Shutdown: Protects the compressor from overheating by automatically shutting down if discharge air temperature exceeds safe limits.
  
• AWF Compressor Fluid: Utilizes Sullair's proprietary AWF fluid, enhancing lubrication and extending the life of the compressor.
  

Applications
The Sullair 125GPQ is versatile and can be utilized in various industries:

• Construction: Powers pneumatic tools such as jackhammers and drills.
  
• Mining: Provides compressed air for drilling and material handling.
  
• Maintenance: Supplies air for cleaning and powering equipment in maintenance shops.
  
• Utilities: Assists in trenching and other utility installation tasks.
  

Maintenance and Service
Regular maintenance is crucial to ensure the longevity and optimal performance of the 125GPQ compressor:

• Oil Changes: Follow the manufacturer's guidelines for oil change intervals to maintain lubrication efficiency.
  
• Air Filters: Inspect and replace air filters regularly to prevent contaminants from entering the compressor.
  
• Belt Tension: Check and adjust belt tension to prevent slippage and wear.
  
• Coolant Levels: Ensure coolant levels are adequate to prevent overheating.
  
• Visual Inspections: Regularly inspect hoses, connections, and components for signs of wear or damage.
  

Conclusion
The Sullair 125GPQ portable air compressor stands out as a reliable and efficient solution for various industrial applications. Its robust design, user-friendly features, and commitment to quality make it a valuable asset for professionals seeking dependable performance in challenging environments. Regular maintenance and adherence to operational guidelines will ensure that the 125GPQ continues to deliver optimal performance throughout its service life.