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High-Efficiency Twin-Screw Air Compressor from China Suppliers - LBV Series PM VSD Factory with 0.3–0.45 MPa Pressure Range
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 operates within a pressure range of 0.3–0.45 MPa (3.0–4.5 bar), freely adjustable to suit various low-pressure application requirements with high flexibility.
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, spanning models from LBV 132-3 to LBV 200-3, making it suitable for a wide variety of industrial applications.
How does the LBV series ensure stable performance in high-ambient-temperature environments?
The LBV series uses a backward-curved centrifugal fan that provides high cooling air pressure and over 30% cooling margin. Combined with a custom large-scale air cooling system that exceeds design operating capacity by 25%, it ensures reliable and stable operation even in high-temperature environments.
What type of motor does the LBV series use and what are its efficiency levels?
The LBV series is equipped with a PM (Permanent Magnet) VSD (Variable Speed Drive) motor featuring high power density, wide efficiency range, low vibration, and smooth operation. The motor achieves IE 5 / GB 1 efficiency levels — among the highest available internationally.
What is the "Deman Cloud" system and what functions does it provide?
The "Deman Cloud" Intelligent Remote Control System is integrated into each LBV unit to enable 24/7 digital monitoring. It installs multiple sensors, implements warning functions for different power configurations, and allows operators to manage and monitor the compressor remotely for reliable and efficient operation.
How often do the external air intake filter and other consumable parts need to be replaced?
The external air intake filter should be replaced every 3,000 operating hours. It is washable, uniform in size, and easy to replace. The fiberglass oil filter is a high-precision component that does not dissolve in water or clog, ensuring long service life and low maintenance requirements.