QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW

1. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW QUINCY COMPRESSOR－USA Q-TECH AIR SYSTEM TECHNOLOGY LTD

2. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Rotary Screw CompressorQGL 15-37kW • High Reliability • High Benefit-Cost Ratio • Quiet Operation • Easy Maintenance

3. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW QGL 15-37kW Tech. Data

4. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Inside the QGL 15-37kW CMC Intelligent Control Inlet Air System Fluid Piping System Air Inlet Fluid/Air Separation System Wye-Delta Reduced Voltage Starter

5. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Inside the QGL 15-37kW Cooler System（top discharge - hot air） Compressed Air Outlet Cooling Fan Acoustical Enclosure Drive Train

6. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Compressor Airend • A standard C-Face mounted motor ensures that the motor and compressor will be properly aligned when the compressor leaves our factory… and stays that way. • The integrated mounting flange allows access for coupling maintenance. The flexible dropout coupling can be replaced without removing the motor! • A cartridge-style, triple-lip seal arrangement ensures the oil stays in and contaminants stay out. • Designed to be direct driven with no gears or belts involved. 3 1 4 2

7. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Compressor Airend ENGINEERED DURABILITY • Oversized Rotors, Lower RPM • Quincy new rotor profile(5-6)

8. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Driving Motor • 380V/3P/50Hz • International Protection, 54 class • Insulation, F Grade • Temperature Rise, B Grade • B35 Frame

9. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Air Inlet System • Removes particle down to 3 um with 99.9% efficiency. • Low pressure drop effectively reduces air in-flow sound levels. • Maintenance is easy.

10. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Fluid/Air Separation System Fluid/Air Reservoir • Fluid top-up is simple. • Horizontal reservoir with internal mesh separator to improve separation efficiency.

11. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Fluid/Air Separation System Separator Element • Integral separator element module. Modular design reduces complicated piping connections for easy installation and maintenance. • “Enclosed” one-piece construction allows quick-change without disconnecting discharge piping – simple servicing. • High efficiency separator element ensures oil carryover of 1~ 3ppm.

12. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Fluid System • Integral thermostatic valve and fluid filter element. Modular design reduces piping for easy installation and maintenance. • “Enclosed” one-piece construction allows for quick-change without having to disconnect other components for simple servicing. • High efficiency glass microfiber fluid filter provides absolute protection to the airend.

13. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Fluid System • Uses QuinSyn line of synthetic fluids - standard factory fill being QuinSyn PLUS, a fully synthetic fluid • Varnish free operation • High viscosity index • Excellent corrosion protection • Water holding capability • Efficient cooling

14. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Cooling System • Oversized cooler ensures reliable operation in ambient temperatures as high as 46 ℃ • Aftercooler approach temperature as low as 8℃ • Designing the discharge of hot air from the top of compressor facilitates energy recovery installations

15. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Piping System • Oil piping uses prefabricated steel pipes: neat layout, assured performance and reliable. • SAE “O”-ring fittings provide the most reliable sealing at joints

16. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Intelligent Control • LCD display，simple and high clarity interface • Measurement Unit selection (psi/bar, ℃/℉) • Comprehensive Protection ： • High temperature shutdown • Low temperature shutdown • High pressure shutdown • Motor overload shutdown • Power fault shutdown • Phase/Pressure/Temperature monitor • Temperature transducer and temperature sensor for double-protection • Service timer/reminder

17. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Intelligent Control（continuation） • Time-delay restart to avoid starting loaded. • Control options： • Continuous Run: load/unloads according to system demand without shutdown. • Auto-dual: allows compressor to shut down for energy savings. • Auto-restart: allows compressor to automatically re-energize and return to service after loss of incoming power. Options： • Pressure switch control：the compressor can continue to run if the pressure transducer is fails. • MODBUS communication protocol：for remote monitoring and control of compressors via RS485 network

18. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Gauge Control • Gauge display: stable and reliable • Standard protection： • High temperature shutdown • High pressure shutdown • Motor overload shutdown • Power fault shutdown • Phase monitor • Two control options： • Continuous Run：load/unload, no shutdown • Auto-dual：load/unload, with timed shutdown for energy savings.

19. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Electronic System • Wye-delta reduced voltage starter • Uses Siemens components for reliability and quality • Phase monitor is standard, for protection against phase loss, unbalanced voltages or phase reversals.

20. QUINCY ROTARY SCREW AIR COMPRESSOR QGL 15-37kW Thanks ！ QUINCY COMPRESSOR－USA Q-TECH AIR SYSTEM TECHNOLOGY LTD