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High-Efficiency Twin-Screw Air Compressor 0.3-0.45 MPa – China Suppliers & Factory for Reliable Low Pressure Performance
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 |
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 supports an exhaust pressure range of 0.3–0.45 MPa (3.0–4.5 bar), which is freely adjustable. This makes it ideal for low-pressure industrial applications that require precise and flexible pressure control.
Q
What FAD (Free Air Delivery) range does the LBV series cover?
The LBV series offers a broad product range with FAD from 33.5 m³/min (LBV 132-3 at 4.5 bar) up to 65.0 m³/min (LBV 200-3 at 3.0 bar), covering a wide variety of industrial air demand requirements.
Q
How does the LBV series ensure reliable operation in high-temperature environments?
The LBV series adopts 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. This design ensures stable and reliable operation even in high-ambient-temperature environments.
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 3D modeling and 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.
Q
What is the "Deman Cloud" system and what does it offer?
The "Deman Cloud" Intelligent Remote Control System is equipped on each LBV unit. It enables 24/7 digital monitoring through multiple sensors and warning functions, allowing operators to remotely manage and maintain the compressor for efficient and reliable operation.
Q
How often should the external air intake filter be replaced, and is it washable?
The external air intake filter is washable and designed to filter dust and fluff, preventing impurities from entering the machine. It is recommended to replace the filter every 3,000 operating hours. The uniform size design makes replacement straightforward and convenient.