Low-pressure compressor AHL
screwairelectric

Low-pressure compressor - AHL - Guangzhou AirHorse Compressor co., ltd - screw / air / electric
Low-pressure compressor - AHL - Guangzhou AirHorse Compressor co., ltd - screw / air / electric
Low-pressure compressor - AHL - Guangzhou AirHorse Compressor co., ltd - screw / air / electric - image - 2
Low-pressure compressor - AHL - Guangzhou AirHorse Compressor co., ltd - screw / air / electric - image - 3
Low-pressure compressor - AHL - Guangzhou AirHorse Compressor co., ltd - screw / air / electric - image - 4
Low-pressure compressor - AHL - Guangzhou AirHorse Compressor co., ltd - screw / air / electric - image - 5
Low-pressure compressor - AHL - Guangzhou AirHorse Compressor co., ltd - screw / air / electric - image - 6
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Characteristics

Technology
screw
Type
air
Power source
electric
Portability
stationary
Lubrication
oil-lubricated
Application domain
industrial
Voltage
400 V, 380 V, 220 V, 230 V
Other characteristics
low-noise, energy-saving, variable-speed, low-pressure
Tank volume

Max.: 10,000 l
(2,641.7 gal)

Min.: 500 l
(132.1 gal)

Pressure

Max.: 5 bar
(72.52 psi)

Min.: 2 bar
(29.01 psi)

Flow

Max.: 43 m³/min
(1,518.53 ft³/min)

Min.: 3.8 m³/min
(134.2 ft³/min)

Power

Max.: 250 kW
(339.91 hp)

Min.: 15 kW
(20.39 hp)

Length

Max.: 3,700 mm
(145.67 in)

Min.: 1,200 mm
(47.24 in)

Width

Max.: 2,150 mm
(84.65 in)

Min.: 900 mm
(35.43 in)

Height

Max.: 2,250 mm
(88.58 in)

Min.: 1,150 mm
(45.28 in)

Weight

Max.: 5,000 kg
(11,023.1 lb)

Min.: 460 kg
(1,014.1 lb)

Noise level

Max.: 76 dB

Min.: 62 dB

Description

AirHorse AHL Series Low Pressure Screw Air Compressor – Energy-Efficient Direct Driven & Two-Stage Options

Short Description:
AirHorse AHL series low pressure screw air compressor is designed for applications requiring large air flow at low working pressure (3–5 bar). Available in single-stage and two-stage configurations, power range 15–250 kW, air flow 3.8–59.8 m³/min. It features high-efficiency air end, IE4/IE5 equivalent three-phase asynchronous motor, optimized intake and oil separation system, touch screen controller, and low noise/low vibration operation. Ideal for textile, glass, food, chemical, and general low-pressure industrial processes.

Product Overview:
AirHorse AHL series low pressure screw air compressor is developed for customers who need a large volume of compressed air at lower pressure. Compared with standard 7–8 bar compressors, the AHL series reduces energy consumption by matching motor and air end design to low-pressure operation. It is available in both single-stage and two-stage models.

The air end adopts the latest rotor profile with high-precision machining, reducing compressed gas leakage and power consumption. The motor is selected according to different supply pressures, with star-delta starting to avoid instantaneous current rise and protect the motor and power grid. The electrical system includes overload protection. When the motor is stuck or the air supply system causes overload, the motor stops when temperature exceeds the set value, preventing overheating and fire risk.

The intake system uses an enlarged air filter to keep intake pressure difference around 2 kPa. A specially selected intake valve integrates relief valve, air supplement valve, inverse proportional valve, solenoid valve and filter. The air supplement valve eliminates cavitation during start-up and unloading, reducing vibration and noise. The inverse proportional valve balances air supply and consumption, achieving stepless air volume adjustment.

The oil and air separation system uses a super-large oil separator tank and oil separation core, ensuring oil content below 3 ppm. The piping system is enlarged to reduce local pressure loss and energy loss. An oil pump ensures internal lubricating oil circulation under low exhaust pressure.

The touch screen controller provides simple operation, energy-saving mode, remote operation conversion, fault display, timer operation and alternate operation functions. Single-touch pressure setting change is available. AirHorse in-line vector control and PID control ensure fast response, safety and reliability. Exhaust pressure control accuracy is ±0.01 MPa.

Key Features & Advantages:
Low pressure design – optimized for 3–5 bar operation, large air flow, energy saving

High-efficiency air end – latest rotor profile, high-precision machining, low leakage, low power consumption

IE4/IE5 equivalent motor – national first-class energy efficiency, IP54 protection, long-term efficient operation

Star-delta starting – reduced voltage start, avoids current surge, protects motor and grid

Overload protection – motor stops when temperature exceeds set value, preventing overheating

Optimized intake system – enlarged air filter, intake pressure difference ~2 kPa, integrated intake valve with relief, air supplement, inverse proportional, solenoid and filter

Stepless air volume adjustment – inverse proportional valve balances supply and demand

High-efficiency oil separation – oil content below 3 ppm

Optimized piping – enlarged diameter, reduced pressure loss, oil pump for low pressure circulation

Touch screen controller – energy-saving mode, remote operation, fault display, timer and alternate operation

Low noise, low vibration – stable operation, long life

Easy maintenance – few wearing parts, long overhaul interval, unattended operation possible

Two-stage models available – SLPML series for even higher efficiency at low pressure

Technical Specifications – Single-Stage Low Pressure

Model: AHL-20A | Power: 15 kW | Motor: 20 HP | Pressure: 3 bar | Air Flow: 3.8 m³/min | Outlet: G1 | Dimensions: 1200×900×1150 mm | Weight: 460 kg

Model: AHL-20A | Power: 15 kW | Motor: 20 HP | Pressure: 4 bar | Air Flow: 3.65 m³/min | Outlet: G1 | Dimensions: 1200×900×1150 mm | Weight: 460 kg

Model: AHL-30A | Power: 22 kW | Motor: 30 HP | Pressure: 3 bar | Air Flow: 5.8 m³/min | Outlet: G1 1/2 | Dimensions: 1560×1000×1365 mm | Weight: 645 kg

Model: AHL-30A | Power: 22 kW | Motor: 30 HP | Pressure: 4 bar | Air Flow: 5.5 m³/min | Outlet: G1 1/2 | Dimensions: 1560×1000×1365 mm | Weight: 645 kg

Model: AHL-50A | Power: 37 kW | Motor: 50 HP | Pressure: 3 bar | Air Flow: 10 m³/min | Outlet: G2 | Dimensions: 1800×1160×1490 mm | Weight: 900 kg

Model: AHL-50A | Power: 37 kW | Motor: 50 HP | Pressure: 4 bar | Air Flow: 7.6 m³/min | Outlet: G2 | Dimensions: 1800×1160×1490 mm | Weight: 900 kg

Model: AHL-50A | Power: 37 kW | Motor: 50 HP | Pressure: 5 bar | Air Flow: 7.3 m³/min | Outlet: G2 | Dimensions: 1800×1160×1490 mm | Weight: 900 kg

Model: AHL-60A | Power: 45 kW | Motor: 60 HP | Pressure: 3 bar | Air Flow: 12.8 m³/min | Outlet: G2 | Dimensions: 2100×1400×1780 mm | Weight: 1300 kg

Model: AHL-60A | Power: 45 kW | Motor: 60 HP | Pressure: 4 bar | Air Flow: 9.8 m³/min | Outlet: G2 | Dimensions: 1800×1160×1490 mm | Weight: 940 kg

Model: AHL-60A | Power: 45 kW | Motor: 60 HP | Pressure: 5 bar | Air Flow: 9.6 m³/min | Outlet: G2 | Dimensions: 1800×1160×1490 mm | Weight: 940 kg

Model: AHL-75A | Power: 55 kW | Motor: 75 HP | Pressure: 2 bar | Air Flow: 19 m³/min | Outlet: G2 1/2 | Dimensions: 2700×1550×2100 mm | Weight: 2750 kg

Model: AHL-75A | Power: 55 kW | Motor: 75 HP | Pressure: 3 bar | Air Flow: 16 m³/min | Outlet: G2 | Dimensions: 2100×1400×1780 mm | Weight: 1450 kg

Model: AHL-75A | Power: 55 kW | Motor: 75 HP | Pressure: 4 bar | Air Flow: 12.5 m³/min | Outlet: G2 | Dimensions: 1800×1160×1490 mm | Weight: 1100 kg

Model: AHL-75A | Power: 55 kW | Motor: 75 HP | Pressure: 5 bar | Air Flow: 12.3 m³/min | Outlet: G2 | Dimensions: 1800×1160×1490 mm | Weight: 1100 kg

Model: AHL-100A | Power: 75 kW | Motor: 100 HP | Pressure: 2 bar | Air Flow: 28.58 m³/min | Outlet: DN80 | Dimensions: 3100×1750×2250 mm | Weight: 3050 kg

Model: AHL-100A | Power: 75 kW | Motor: 100 HP | Pressure: 3 bar | Air Flow: 20 m³/min | Outlet: G2 1/2 | Dimensions: 2500×1450×1800 mm | Weight: 2050 kg

Model: AHL-100A | Power: 75 kW | Motor: 100 HP | Pressure: 4 bar | Air Flow: 15.7 m³/min | Outlet: G2 | Dimensions: 2100×1400×1780 mm | Weight: 1500 kg

Model: AHL-100A | Power: 75 kW | Motor: 100 HP | Pressure: 5 bar | Air Flow: 15.4 m³/min | Outlet: G2 | Dimensions: 2100×1400×1780 mm | Weight: 1500 kg

Model: AHL-120A | Power: 90 kW | Motor: 120 HP | Pressure: 3 bar | Air Flow: 23 m³/min | Outlet: G2 1/2 | Dimensions: 2700×1550×1800 mm | Weight: 2350 kg

Model: AHL-120A | Power: 90 kW | Motor: 120 HP | Pressure: 4 bar | Air Flow: 22.5 m³/min | Outlet: G2 1/2 | Dimensions: 2700×1550×1800 mm | Weight: 2350 kg

Model: AHL-120A | Power: 90 kW | Motor: 120 HP | Pressure: 5 bar | Air Flow: 19.3 m³/min | Outlet: G2 1/2 | Dimensions: 2500×1450×1800 mm | Weight: 2150 kg

Model: AHL-150A | Power: 110 kW | Motor: 150 HP | Pressure: 3 bar | Air Flow: 28.6 m³/min | Outlet: DN80 | Dimensions: 2800×1550×1950 mm | Weight: 3300 kg

Model: AHL-150A | Power: 110 kW | Motor: 150 HP | Pressure: 4 bar | Air Flow: 28.3 m³/min | Outlet: DN80 | Dimensions: 2800×1550×1950 mm | Weight: 3300 kg

Model: AHL-150A | Power: 110 kW | Motor: 150 HP | Pressure: 5 bar | Air Flow: 22.2 m³/min | Outlet: G2 1/2 | Dimensions: 2700×1550×1800 mm | Weight: 2650 kg

Model: AHL-175A | Power: 132 kW | Motor: 175 HP | Pressure: 3 bar | Air Flow: 39 m³/min | Outlet: DN80 | Dimensions: 3700×2150×2250 mm | Weight: 4700 kg

Model: AHL-175A | Power: 132 kW | Motor: 175 HP | Pressure: 4 bar | Air Flow: 31.1 m³/min | Outlet: G2 1/2 | Dimensions: 2700×1550×1800 mm | Weight: 3150 kg

Model: AHL-175A | Power: 132 kW | Motor: 175 HP | Pressure: 5 bar | Air Flow: 27.9 m³/min | Outlet: G2 1/2 | Dimensions: 2700×1550×1800 mm | Weight: 3150 kg

Model: AHL-220A | Power: 160 kW | Motor: 220 HP | Pressure: 3 bar | Air Flow: 43 m³/min | Outlet: DN80 | Dimensions: 3700×2150×2250 mm | Weight: 4700 kg

Model: AHL-220A | Power: 160 kW | Motor: 220 HP | Pressure: 4 bar | Air Flow: 38.9 m³/min | Outlet: DN80 | Dimensions: 2800×1550×1950 mm | Weight: 3450 kg

Model: AHL-220A | Power: 160 kW | Motor: 220 HP | Pressure: 5 bar | Air Flow: 31.4 m³/min | Outlet: DN80 | Dimensions: 2800×1550×1950 mm | Weight: 3450 kg

Model: AHL-250A | Power: 185 kW | Motor: 250 HP | Pressure: 3 bar | Air Flow: 43 m³/min | Outlet: DN80 | Dimensions: 3700×2150×2250 mm | Weight: 5000 kg

Model: AHL-250A | Power: 185 kW | Motor: 250 HP | Pressure: 4 bar | Air Flow: 42.7 m³/min | Outlet: DN80 | Dimensions: 3700×2150×2250 mm | Weight: 5000 kg

Model: AHL-250A | Power: 185 kW | Motor: 250 HP | Pressure: 5 bar | Air Flow: 38.9 m³/min | Outlet: DN80 | Dimensions: 3250×2100×2300 mm | Weight: 4050 kg

Applications:
AirHorse AHL series low pressure screw air compressors are widely used in:

Textile industry (air-jet looms)

Glass processing

Food and beverage

Chemical industry

Pharmaceutical industry

Cement and bulk material conveying

Wastewater treatment (low pressure aeration)

General low-pressure industrial processes

Why Choose AirHorse AHL Series?
Specifically designed for low pressure (3–5 bar) and large air flow

Energy-efficient motor and air end matching

Single-stage and two-stage options

Reliable star-delta starting and overload protection

High-efficiency oil separation (≤3 ppm)

Optimized intake and piping system for low pressure loss

Intelligent touch screen controller with remote operation

Low noise, low vibration, long service life

Easy maintenance and unattended operation possible

After-Sales Service
AirHorse Compressor Co., Ltd. has a sales and service network in China divided into five major regions: East China, South China, West China, North China and Northeast China, with more than 200 outlets. Offices have been set up in major cities, with excellent service staff providing quality and fast service.

We provide selective maintenance services, long-term parts supply, preventive maintenance contracts, and energy-saving solutions such as energy recovery, frequency conversion retrofit and energy-saving optimization systems.

VIDEO

Catalogs

AHL
AHL
6 Pages
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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