Overview
Kingair 45kW Water Lubricated Oil-Free Screw Air Compressor – 8 Bar
Kingair KAW-45A Water Lubricated Oil-Free Screw Air Compressor with Variable Speed Drive
Oil-Free Performance. Exceptional Efficiency. Engineered for Critical Air Applications.
The Kingair KAW-45A Water Lubricated Oil-Free Screw Air Compressor is designed for industries where compressed air purity, operational reliability, and energy efficiency are non-negotiable. Delivering 7.4 m³/min airflow at 8 bar, this advanced compressor utilizes water lubrication technology combined with a Permanent Magnet Variable Speed Drive (VSD) to provide clean, oil-free compressed air while reducing overall energy consumption.
Manufactured using premium materials, including PEEK composite rotors and aerospace-grade stainless steel components, the KAW-45A offers superior durability and consistent performance for demanding industrial environments. Its innovative water treatment and automatic water management systems further reduce maintenance requirements while improving long-term operational stability.
Designed for Oil-Free Industrial Applications
In industries where compressed air contamination can compromise product quality or operational integrity, oil-free technology provides a significant advantage.
The Kingair KAW series is commonly selected for:
- Food and beverage production
- Pharmaceutical manufacturing
- Electronics production
- Medical equipment manufacturing
- Precision engineering facilities
- Textile processing plants
- Industrial operations requiring contaminant-free compressed air
By eliminating oil from the compression chamber, businesses can minimize contamination risks while simplifying downstream air treatment requirements.
Key Features & Benefits
True Oil-Free Compression Technology
The KAW-45A utilizes advanced water lubrication technology to provide clean compressed air without introducing oil into the compression process.
Benefits include:
- Reduced contamination risk
- Improved air quality
- Lower filtration requirements
- Greater confidence in sensitive applications
Advanced Rotor Design
The airend incorporates:
- High-performance PEEK door rotors
- Aerospace-grade stainless steel rotors
- Precision-engineered manufacturing processes
This combination enhances wear resistance, operational stability, and long-term reliability.
Integrated Water Treatment System
A sophisticated water management system incorporates:
- Nano-scale water filtration technology
- Reverse osmosis inlet treatment
- Controlled lubrication water management
The system ensures stable lubricating water quality while reducing maintenance demands.
Continuous Operation with Automated Water Replacement
Unlike traditional systems that require shutdown during servicing, the KAW series enables scheduled water replacement without interrupting production.
Advantages include:
- Reduced downtime
- Lower maintenance costs
- Improved productivity
Variable Speed Drive (VSD) Efficiency
The integrated VSD technology automatically adjusts motor speed based on compressed air demand.
This provides:
- Lower energy consumption
- Stable system pressure
- Reduced operating costs
- Extended equipment lifespan
Isothermal Compression Efficiency
Water lubrication promotes compression temperatures closer to isothermal conditions.
This contributes to:
- Higher volumetric efficiency
- Reduced thermal stress
- More than 15% energy savings compared to conventional two-stage dry oil-free screw compressors
Quiet Operation
The enclosed canopy design helps maintain operating noise levels at approximately 68 dB, supporting improved workplace comfort.
Technical Specifications
| Specification |
Details |
| Model |
KAW-45A |
| Brand |
Kingair |
| Compressor Type |
Water Lubricated Oil-Free Screw Compressor |
| Compression Stage |
Single Stage |
| Installation Type |
Stationary |
| Cooling Method |
Water Cooling |
| Power Supply |
AC Power |
| Drive System |
Variable Speed Drive (VSD) |
| Motor Power |
45 kW / 60 HP |
| Operating Pressure |
8 Bar |
| Air Delivery |
7.4 m³/min |
| Air Outlet Connection |
G1 1/2″ |
| Voltage Options |
220V / 380V / 415V / 440V (3 Phase) |
| Lubricating Water Capacity |
90 Liters |
| Noise Level |
Approximately 68 dB |
| Canopy Color |
Green & White |
| Dimensions |
1800 × 1300 × 1750 mm |
| Package Dimensions |
1900 × 1400 × 1900 mm |
| Net Weight |
1390 kg |
| Gross Weight |
1410 kg |
| Production Capacity |
500 Units Monthly |
What’s Included
Your purchase includes:
- Kingair KAW-45A Oil-Free Screw Air Compressor
- Integrated water lubrication system
- Variable Speed Drive controls
- Factory-installed cooling system
- User documentation
- Online technical support
Applications
This compressor is particularly well suited for:
- Pharmaceutical processing facilities
- Medical equipment manufacturing
- Food production plants
- Beverage bottling operations
- Electronics manufacturing environments
- Textile production facilities
- General industrial applications requiring oil-free compressed air
Why Choose the Kingair KAW-45A?
The KAW-45A combines advanced oil-free compression technology with energy-saving VSD control to deliver a dependable compressed air solution for industries where air quality is essential.
Its simplified water treatment architecture, low maintenance design, and high-efficiency operation help organizations improve reliability while reducing operating expenses.
For businesses seeking long-term performance, cleaner compressed air, and lower lifecycle costs, the Kingair KAW series represents a practical and forward-thinking investment.
Warranty & Technical Support
The Kingair KAW-45A is supported by a 24-month manufacturer’s warranty covering defects in materials and workmanship under normal operating conditions.
Comprehensive online technical assistance is available to support installation planning, commissioning guidance, and operational troubleshooting.
Request a Customized Quotation
Contact our technical sales team today to discuss voltage requirements, application suitability, system sizing recommendations, or to request a tailored quotation designed around your operational needs.