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High-Efficiency Twin-Screw Air Compressor for Low Pressure - China Suppliers & Factory Ideal for Harsh Conditions
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
Q
What is the operating pressure range of the LBV series low-pressure air compressor?
The LBV series low-pressure air compressor 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.
Q
What is the FAD (Free Air Delivery) range available across the LBV product lineup?
The LBV series covers a broad FAD range of 33.5 to 65 m³/min, with models available at 132 kW, 160 kW, 185 kW, and 200 kW driving power to meet different production demands.
Q
How does the LBV series ensure reliable operation 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 with over 30% cooling margin, ensuring stable and reliable operation even in high-ambient-temperature conditions.
Q
What technology is used in the oil separation system of the LBV compressor?
The oil separation system is designed using advanced CFD (Computational Fluid Dynamics) fluid simulation with RNG k-ε turbulence modeling. The simulation results are verified against measured data to guarantee highly efficient and leak-free oil separation performance.
Q
What is the "Deman Cloud" system and what benefits does it provide?
The "Deman Cloud" Intelligent Remote Control System is equipped on every LBV unit. It enables 24/7 digital monitoring through multiple sensors and smart warning functions, allowing operators to remotely oversee compressor performance and ensure efficient, uninterrupted operation.
Q
How accurate is the pressure control of the LBV series electrical control system?
The LBV series uses an Inovance heavy-duty vector inverter to achieve constant pressure output with a fluctuation of less than ±0.05 bar, delivering highly precise and stable pressure regulation for demanding industrial applications.