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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 working pressure range of the LBV series low-pressure air compressor?
The LBV series operates within a pressure range of 0.3–0.45 MPa (3.0–4.5 bar), which is freely adjustable to suit various low-pressure application requirements.
What FAD (Free Air Delivery) range does the LBV series cover?
The LBV series covers a broad FAD range of 33.5 to 65 m³/min, making it suitable for a wide variety of industrial applications with different airflow demands.
How does the LBV series ensure stable operation in high-ambient-temperature environments?
It features a backward-curved centrifugal fan that delivers high cooling air pressure with over 30% cooling margin, along with a time-proven twin-screw air-end, ensuring reliable performance even in elevated ambient temperatures.
What technology is used in the oil separation system?
The oil separation system is designed using advanced CFD (Computational Fluid Dynamics) fluid simulation with an RNG k-ε turbulence model. Simulated data is verified against measured data to ensure highly efficient and reliable oil separation with no oil leakage.
What is the "Deman Cloud" system and what does it offer?
The "Deman Cloud" Intelligent Remote Control System provides 24/7 digital monitoring of the compressor. Each LBV unit is equipped with multiple sensors and warning functions to address different power configurations, ensuring safe and efficient operation at all times.
How accurate is the pressure output control on the LBV series?
The LBV series uses an Inovance heavy-duty vector inverter with PM VSD motor technology to maintain constant pressure output with a fluctuation of less than ±0.05 bar, delivering highly precise and stable pressure regulation for demanding industrial processes.