Low Pressure Screw Air Compressor
At Loitha, we are a leading compressor manufacturer delivering advanced air solutions for modern industries. Our Low Pressure Screw Air Compressor is designed for high performance, energy savings, and stable operation. Engineered with a German Air End, precision processing, and low noise design, this compressor ensures longer service life, low maintenance, and reliable performance even in tough industrial environments.
Whether your need is 2 bar to 5 bar (around 29–72 psi), our low-pressure screw compressors provide free air flow at lower pressure with unmatched energy efficiency. These compressors are widely used in industries such as textiles, packaging, food processing, automotive, and ceramics where high-volume air at lower pressure is required.
Why Choose Loitha Low Pressure Screw Air Compressor?
Our industrial screw air compressors are built with advanced engineering and optimized for energy savings. Here’s what makes them unique:
Advanced Compression Technology
High-precision airend reduces leakage and improves efficiency.
Energy Efficient
Lower energy costs with positive displacement rotary screw compression.
Stable Operation
Delivers consistent air flow even at varying loads.
Low Noise & Low Vibration
Designed for quiet, smooth performance, around 72 dB.
Durability
Built with corrosion resistance and rust-resistant materials for a longer service life.
Low Maintenance
Easy access to components, minimal downtime, reduced servicing needs.
Wide Compressor Range
From 15 HP low pressure screw compressors to high-capacity models.
Direct Drive & Permanent Magnet Motor Options
For maximum reliability and energy savings.
Uses of Tank Mounted Air Compressor
Our tank mounted air compressors are widely used across diverse industries, such as:
- Manufacturing – Provides reliable compressed air systems for machinery and assembly.
- Textile industry – Air at lower pressure for spinning, weaving, and dyeing processes.
- Ceramic industry –Efficient air supply for molding, forming, and drying.
- Food & beverage sector – Oil-free air for hygienic food processing and packaging.
- Packaging industry – Dependable air flow for sealing, labeling, and automation.
- Automotive sector – Compressed air for painting, assembly lines, and pneumatic tools.
- Chemical & Pharma – Stable compressed air system ensuring safe and high-quality operations.
HIGH QUALITY ASSESSORIES
Technological innovation, more efficient, low noise, low vibration, long life(Air end)
- The air end twin screw adopts the latest line design, high-precision processing, reduces the leakage of compressed gas, reduces power consumption, will saves money for customers.
- The air end has good power balance, no unbalanced inertial force, and the ma chine can work smoothly and at high speed, with small size, light weight and compact.
- Strong adaptability, with the character istics of forced air delivery, the air flow is almost not affected by the exhaust pressure, and it can maintain high pow er in a wide scale.
Super first-class energy efficiency, energy saving and more efficient (Three-phase asynchronous motor)
- The three-phase asynchronous motor used by Loitha Air Compressor has been tested by a national energy efficiency laboratory and has reached the national first-level en ergy efficiency standard.
High protection level design
- Safety and reliability are guaranteed. The motor adopts IP54 high protection grade design, which can prevent malfunctions caused by bad environment.
Loitha brand three-phase asynchronous motors can ensure long-term efficient operation.
Due to high energy efficiency, plus the blessing of service coefficient. Therefore, it is not easy to generate overload and cause the motor to age, so as to ensure the efficiency of the motor.
High Performance – Energy Efficient Design
Energy Efficiency
Our low-pressure air compressors are engineered for reduced energy costs, with designs that deliver more free air flow per unit of power.
Filtration & Oil Separation
Built-in filtration systems and oil separators maintain superior air quality and prevent contamination.
Adaptability
Performs consistently in varying ambient temperatures, ensuring reliability.
Compression System
Positive displacement rotary screw air compressors for continuous and efficient operation.
High Protection Level Motors
Loitha’s three-phase asynchronous motors guarantee longer service life and stable operation.
Technical Parameter
| Model | Motor Power | Working Pressure | Free Air Flow | Outer Diameter | Noise level | Weight | Dimensions | |||
| L x W x H | ||||||||||
| 50Hz | kW | Hp | Bar g | Psi g | M3/min | cfm | DN | Db | kg | mm |
| AHL-20A | 15 | 20 | 3 | 43 | 3.8 | 134 | 1″ | 70±2 | 460 | 1200 X 900 X 1150 |
| 4 | 58 | 2.7 | 94 | |||||||
| AHL-30A | 22 | 30 | 3 | 43 | 5.8 | 205 | 1 1/2″ | 70±2 | 645 | 1560 X 1000 X 1365 |
| 4 | 58 | 5.5 | 194 | |||||||
| AHL-50A | 37 | 50 | 3 | 43 | 10.0 | 353 | 2″ | 78±2 | 900 | 1800 X 1160 X 1490 |
| 4 | 58 | 7.6 | 268 | |||||||
| 5 | 72 | 7.3 | 258 | |||||||
| AHL-60A | 45 | 60 | 3 | 43 | 12.8 | 452 | 2″ | 78±2 | 940 | 1800 X 1160 X 1490 |
| 4 | 58 | 9.8 | 346 | |||||||
| 5 | 72 | 9.6 | 339 | |||||||
| AHL-75A | 55 | 75 | 3 | 43 | 16.0 | 565 | 2″ | 80±2 | 1100 | 1800 X 1160 X 1490 |
| 4 | 58 | 12.5 | 441 | |||||||
| 5 | 72 | 12.3 | 434 | |||||||
| AHL-100A | 75 | 100 | 3 | 43 | 20.0 | 706 | 2″ | 80±2 | 2050 | 2100 X 1400 X 1780 |
| 4 | 58 | 15.7 | 554 | |||||||
| 5 | 72 | 15.4 | 544 | |||||||
| AHL-120A | 90 | 120 | 3 | 43 | 23.0 | 812 | 2 1/2″ | 80±2 | 2350 | 2700 X 1550 X 1800 |
| 4 | 58 | 22.5 | 795 | |||||||
| 5 | 72 | 19.3 | 682 | |||||||
| AHL-150A | 110 | 150 | 3 | 43 | 28.6 | 1010 | 2 1/2″ | 80±2 | 3300 | 2800 X 1550 X 1950 |
| 4 | 58 | 28.3 | 999 | |||||||
| 5 | 72 | 22.2 | 784 | |||||||
| AHL-175A | 132 | 175 | 3 | 43 | 39.0 | 1377 | 2 1/2″ | 80±2 | 3150 | 2700 X 1550 X 1800 |
| 4 | 58 | 31.1 | 1098 | |||||||
| 5 | 72 | 27.9 | 985 | |||||||
| AHL-220A | 160 | 220 | 3 | 43 | 43.0 | 1519 | DN 80 | 80±2 | 3450 | 2700 X 1550 X 1800 |
| 4 | 58 | 38.9 | 1374 | |||||||
| 5 | 72 | 31.4 | 1109 | |||||||
| AHL-250A | 185 | 250 | 3 | 43 | 43.0 | 1519 | DN 80 | 80±2 | 4050 | 3700 X 2150 X 2250 |
| 4 | 58 | 42.7 | 1508 | |||||||
| 5 | 72 | 38.9 | 1374 | |||||||
| Compression stage: single stage | ||||||||||
| Ambient temperature: -5–+45℃ | ||||||||||
| Cooling model: Air –Cooling | ||||||||||
| Discharg temperature(℃): Ambient temperature+15℃ | ||||||||||
| Drive method: Direct drive | ||||||||||
| Electricity(V/ph/Hz): 380/3/50 | ||||||||||
| Starting method: Star-delta starting | ||||||||||
Other Specs:
- Compression stage: Single stage
- Cooling: Air-cooled / optional water-cooled
- Starting method: Star-delta starting
- Drive method: Direct drive
- Power: 415V, 3 phase, 50Hz
Low Pressure & High Pressure Solutions
Alongside low-pressure oil-free screw compressors, Loitha also offers:
- Two Stage Screw Air Compressors – for higher compression ratios and efficiency
- High Pressure Air Compressors – for specialized high-pressure industrial applications
- Variable Speed Drive (VSD) Compressors – with permanent magnet motors for optimized energy savings
- Reciprocating Air Compressors – for industries needing compact, cost-effective solutions
- Centrifugal Compressors – for large-scale operations requiring stable and oil-free air
This complete compressor range ensures customers get the best quality air solution suited to their industrial applications.
Request a Catalogue
Looking for detailed insights, price list, and technical comparisons? Request a catalogue today and explore how Loitha’s industrial air compressors can optimize your production with high efficiency, reliable performance, and longer service life.






