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High-Efficiency Twin-Screw Air Compressor 0.3-0.45 MPa - Reliable Performance from China Suppliers and Factory
Product Highlight
Stable Pressure Regulation for Low Pressure Applications
0.3–0.45 MPa, freely adjustable with high flexibility
Broad Product Range
FAD range of 33.5–65 m³/min
Strong Stability Performance
Adopts a time-proven twin-screw air-end for exceptional stability. A backward-curved centrifugal fan providing high cooling air pressure and over 30% cooling margin ensures reliable operation under high-ambient-temperature environments.
Optimal Oil-Separation Performance
Oil separation system designed using advanced CFD fluid simulation, ensuring highly efficient and reliable oil separation.
Deman Cloud Intelligent System
"Deman Cloud" Intelligent Remote Control System enables 24/7 digital monitoring, ensuring reliable and efficient operation.
Product Structure
PM VSD Motor
High power density, wide efficiency range, low vibration, smooth operation
Variable speed control and wide frequency operation allow the air compressor to control exhaust pressure more accurately
The motor efficiency is IE 5 / GB 1 level
Oil Separation System
Three-dimensional modeling: using CFD fluid software
Reasonable model selection: RNG k-ε turbulence model is employed
Reliable verification: the simulated data is compared with the measured data
Consider physical properties: no oil leakage
Custom Large-scale Air Cooling System
Increased radiator area, exceeding design operating capacity by 25% under rated conditions
Variable frequency control and precise temperature control
Utilizing 3D modeling and CFD fluid software
The simulated data and the measured data are in good agreement
Electrical Control System
Using Inovance heavy-duty vector inverter; wide speed regulation range and fast response speed
Constant pressure output: maintains a constant pressure with less than ±0.05 bar fluctuation
Control System
Each LBV unit is equipped with the "Deman Cloud Control" system
By installing multiple sensors and implementing warning functions to address the different power configurations
Air Intake System
Adopts a built-in horizontal structure for intake, providing low resistance and low noise
Meets the EU standard F8 level
External Air Intake Filter
Filters dust and fluff, washable
Prevents impurities from entering the machine
Replace every 3000 hours
Uniform size, easy to replace
Fiberglass Oil Filter
The high-precision oil filter is fiberglass oil filter and doesn't dissolve in water or clog
Piping System
Designed for smooth flow, minimizing pressure loss
Pipes do not need to be replaced for ten years
Uses flexible clamps that never crack
Using fluororubber seals, temp. resistance up to 200℃
Connection Joint
Made of carbon steel, surface plated with eco-friendly white zinc, pressure and corrosion resistant
Uses cone with O-ring dual sealing technology to ensure no leakage
Technical Parameter
| Model | Driving Power (kW) | Exhaust Pressure (bar) | Maximum Exhaust Pressure (bar) | Displacement (m³/min) | Overall Dimension (L×W×H) mm | Connection Dimension | Unit Weight (kg) |
|---|---|---|---|---|---|---|---|
| LBV 132-3 | 132 | 3.0 | 4.5 | 40.0 | 3200×2100×2150 | DN 150 | 3410 |
| 3.5 | 37.3 | ||||||
| 4.0 | 35.2 | ||||||
| 4.5 | 33.5 | ||||||
| LBV 160-3 | 160 | 3.0 | 4.5 | 47.0 | 3200×2100×2150 | DN 200 | 3500 |
| 3.5 | 45.2 | ||||||
| 4.0 | 43.7 | ||||||
| 4.5 | 41.2 | ||||||
| LBV 185-3 | 185 | 3.0 | 4.5 | 56.0 | 3200×2100×2150 | DN 200 | 3620 |
| 3.5 | 53.1 | ||||||
| 4.0 | 51.5 | ||||||
| 4.5 | 48.2 | ||||||
| LBV 200-3 | 200 | 3.0 | 4.5 | 65.0 | 4800×2250×2400 | DN 200 | 6800 |
| 3.5 | 63.1 | ||||||
| 4.0 | 61.5 | ||||||
| 4.5 | 53.5 |
Frequently Asked Questions
What is the operating pressure range of the LBV series low-pressure air compressor?
The LBV series low-pressure air compressor supports a stable pressure range of 0.3–0.45 MPa (3.0–4.5 bar), which is freely adjustable to suit a wide variety of low-pressure industrial applications with high flexibility.
What is the FAD range available across the LBV product lineup?
The LBV series covers a broad FAD (Free Air Delivery) range of 33.5 to 65 m³/min, spanning models from LBV 132-3 to LBV 200-3, making it suitable for a wide range of industrial output requirements.
How does the LBV series ensure reliable performance in high-temperature environments?
The LBV series uses a time-proven twin-screw air-end combined with a backward-curved centrifugal fan that delivers high cooling air pressure and provides over 30% cooling margin above rated conditions, ensuring stable and reliable operation even in high-ambient-temperature environments.
What technology is used in the oil separation system?
The oil separation system is designed using advanced CFD (Computational Fluid Dynamics) fluid simulation with RNG k-ε turbulence modeling and three-dimensional geometric modeling. Simulated results are verified against measured data to ensure no oil leakage and highly efficient oil separation.
What is the "Deman Cloud" intelligent control system and what does it offer?
The "Deman Cloud" Intelligent Remote Control System is installed on every LBV unit. It enables 24/7 digital monitoring through multiple integrated sensors and warning functions, allowing operators to remotely manage machine status and ensure continuous, efficient, and safe operation.
How often does the external air intake filter need to be replaced, and what does it protect against?
The external air intake filter is designed to filter dust and fluff, preventing impurities from entering the machine. It is washable and should be replaced every 3,000 operating hours. All filters are uniform in size for easy and convenient replacement.