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Summary: The B&D Low Pressure Rotary Screw Air Compressor is designed to provide reliable compressed air at lower pressures, making it ideal for applications such as laser cutting machines and pneumatic conveying systems. Its low rotating speed helps ensure energy efficiency and reduced noise levels, while still maintaining a good free air delivery volume for long-term operation.

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B&D Low Pressure Rotary Screw Air Compressor

B&D Low Pressure Rotary Screw Air Compressor Parts

B&D Low Pressure Rotary Screw Air Compressor Features

B&D Low Pressure Rotary Screw Air Compressor - Airend and PM Motor
B&D Low Pressure Rotary Screw Air Compressor – Airend and PM Motor

Airend and PM Motor

  • Combined with a high-performance permanent magnet variable speed drive (VSD) motor, it achieves a compact design while maintaining a large displacement, leading to energy savings.
  • The design choice of a large Airend with a small motor contributes to reduced noise and vibration, enhancing the overall user experience.
  • The airend is designed for low pressure applications, providing a stable and efficient compressed air supply.
  • Robust construction and high-quality bearings contribute to the airend’s long service life and minimal maintenance requirements.
  • The motor features class F insulation and IP55 protection, ensuring reliable operation in demanding industrial environments.
B&D Low Pressure Rotary Screw Air Compressor - Inverter
B&D Low Pressure Rotary Screw Air Compressor – Inverter

Inverter

  • The inverter is from INVT, ensuring stability and reliability in the machine’s operation.
  • It offers variable frequency control, allowing the compressor to match air output with demand, which can save up to 50% energy compared to conventional systems.
  • With the inverter, the compressor has a soft start function that reduces the impact on the grid, prolonging the life of the equipment.
B&D Low Pressure Rotary Screw Air Compressor - Oil Separator
B&D Low Pressure Rotary Screw Air Compressor – Oil Separator

Oil Separator

  • The oil separator is designed to be high pressure and high temperature resistant, ensuring the longevity and stability of the lubrication system.
  • It features a high-quality paint finish that is not only aesthetically pleasing but also provides additional protection against corrosion.
  • Efficient oil separation helps protect downstream equipment and processes from oil contamination, ensuring high-quality compressed air.
B&D Two Stage Rotary Screw Air Compressor - Smart-Control-System
B&D Low Pressure Rotary Screw Air Compressor – Intelligent Control System

Intelligent Control System

  • The system includes remote monitoring capabilities, allowing for real-time tracking of the compressor’s performance and status.
  • It has an integrated self-diagnostics feature that helps in early detection of potential issues, reducing downtime and maintenance costs.
  • The control system features a high-resolution display for easy operation and clear visibility of all necessary information.
  • Real-time monitoring of key parameters, such as pressure, temperature, and runtime hours, enables proactive maintenance and troubleshooting.

Technical Parameters

  • (Single-stage)
  • Power range: 75~185KW
  • Nominal volumetric flow rate: 22.5~56.5m³/min
  • Rated pressure: 0.3~0.5MPa
  • (Two-stage)
  • Power range: 55~250KW
  • Nominal volumetric flow rate: 16.7~65m³/min
  • Rated pressure: 0.55MPa

B&D Low Pressure Rotary Screw Air Compressor Specifications

B&D Low Pressure (Single Stage) Rotary Screw Air Compressor

Model Pressure (MPa) Capacity FAD (m³/min) Ambient Temperature (°C) Cooling Method Discharge Temperature (°C) Lubricant (litre) Noise (dB(A)) Drive Method Power Supply (V/ph/Hz) Power (KW) Start Method Dimension (L mm) Dimension (W mm) Dimension (H mm) Weight (KG) Outlet Pipe (inch)
BD-750LPM 0.3/0.5 22.5 -5~+40 Air-cooled or Water-cooled ≤Ambient temp.+10 (Air-cooled) <40 (Water-cooled) 112 75±2 PM Synchronization 220/380/415/3ph/50Hz/60Hz 75/90 VFD Start 2200 1550 1800 3800/4300 DN80
BD-1100LPM 0.3/0.5 30.5 -5~+40 Air-cooled or Water-cooled ≤Ambient temp.+10 (Air-cooled) <40 (Water-cooled) 120 75±2 PM Synchronization 220/380/415/3ph/50Hz/60Hz 90/132 VFD Start 3384 2140 2000 4100/4500 DN100
BD-1560LPM 0.3/0.5 47 -5~+40 Air-cooled or Water-cooled ≤Ambient temp.+10 (Air-cooled) <40 (Water-cooled) 208 75±2 PM Synchronization 220/380/415/3ph/50Hz/60Hz 132/185 VFD Start 3690 2140 2250 6800/7100 DN200
BD-1900LPM 0.3 56.5 -5~+40 Air-cooled or Water-cooled ≤Ambient temp.+10 (Air-cooled) <40 (Water-cooled) 208 75±2 PM Synchronization 220/380/415/3ph/50Hz/60Hz 185 VFD Start 3690 2140 2250 7200 DN250

B&D Low Pressure (Two Stage) Rotary Screw Air Compressor

Model Pressure (MPa) Capacity FAD (m³/min) Ambient Temperature (°C) Cooling Method Discharge Temperature (°C) Lubricant (litre) Noise (dB(A)) Drive Method Power Supply (V/ph/Hz) Power (KW) Start Method Dimension (L mm) Dimension (W mm) Dimension (H mm) Weight (KG) Outlet Pipe (inch)
BD-75LPM-Ⅱ 0.55 16.7 -5~+40 Air-cooled or Water-cooled ≤Ambient temp.+10 (Air-cooled) <40 (Water-cooled) 80 73±2 PM Synchronization 380/415/3ph/50Hz/60Hz 55 VFD Start 2200 1550 1800 1280 DN80
BD-100LPM-Ⅱ 0.55 19.5 -5~+40 Air-cooled or Water-cooled ≤Ambient temp.+10 (Air-cooled) <40 (Water-cooled) 80 73±2 PM Synchronization 380/415/3ph/50Hz/60Hz 75 VFD Start 2200 1550 1800 1300 DN80
BD-125LPM-Ⅱ 0.55 24 -5~+40 Air-cooled or Water-cooled ≤Ambient temp.+10 (Air-cooled) <40 (Water-cooled) 85 73±2 PM Synchronization 380/415/3ph/50Hz/60Hz 90 VFD Start 3044 1844 1850 2500 DN80
BD-150LPM-Ⅱ 0.55 28.5 -5~+40 Air-cooled or Water-cooled ≤Ambient temp.+10 (Air-cooled) <40 (Water-cooled) 85 73±2 PM Synchronization 380/415/3ph/50Hz/60Hz 110 VFD Start 3184 2034 2000 2600 DN80
BD-175LPM-Ⅱ 0.55 33.6 -5~+40 Air-cooled or Water-cooled ≤Ambient temp.+10 (Air-cooled) <40 (Water-cooled) 120 78±2 PM Synchronization 380/415/3ph/50Hz/60Hz 132 VFD Start 3184 2034 2000 3800 DN80
BD-250LPM-Ⅱ 0.55 48.5 -5~+40 Air-cooled or Water-cooled ≤Ambient temp.+10 (Air-cooled) <40 (Water-cooled) 128 78±2 PM Synchronization 380/415/3ph/50Hz/60Hz 185 VFD Start 3684 2306 2400 5500 DN125
BD-300LPM-Ⅱ 0.55 55 -5~+40 Air-cooled or Water-cooled ≤Ambient temp.+10 (Air-cooled) <40 (Water-cooled) 128 78±2 PM Synchronization 380/415/3ph/50Hz/60Hz 220 VFD Start 3684 2306 2400 6000 DN125
BD-350LPM-Ⅱ 0.55 65 -5~+40 Air-cooled or Water-cooled ≤Ambient temp.+10 (Air-cooled) <40 (Water-cooled) 128 78±2 PM Synchronization 380/415/3ph/50Hz/60Hz 250 VFD Start 3684 2306 2400 6500 DN125

Field of Use of B&D Low Pressure Rotary Screw Air Compressor

B&D Low Pressure Rotary Screw Air Compressor Reviews

PROS

  • B&D collaborates with top suppliers and uses superior spare parts to ensure continuous operation of the air compressor.
  • Industry-leading fault alarm and self-detection system for enhanced reliability and maintenance.
  • When target pressure is 0.2-0.5 MPa, using a 0.8 MPa air compressor can lead to significant waste. B&D PM VSD low pressure air compressor can save 20%-45% on energy costs.
  • Innovative easy management mode and touch screen display, with an industry-first patented remote control system for monitoring, parameter adjustment, automatic alarms, and maintenance alerts.
  • Environmentally friendly system due to accurate vessel pressure control, stable air delivery at fixed pressure, oil content ≤2 ppm, and creative noise reduction technology.
  • High-efficiency, large-capacity airend paired with a permanent magnet motor achieves a compact design with impressive air delivery.
  • Intelligent variable frequency drive (VFD) technology provides significant energy savings in the 3-5 kg pressure range.
  • Incorporates multiple patented technologies for enhanced performance and reliability.
  • Integrated IoT and self-diagnostic systems with a high-definition display enable simple operation and clear status monitoring.
  • Energy efficient due to low rotating speed, minimizing power consumption.
  • Quiet operation compared to other compressors, suitable for noise-sensitive environments.
  • Reliable performance for continuous operation in demanding applications.
  • Provides stable low pressure compressed air, ideal for laser cutting and pneumatic conveying.
  • Good free air delivery volume ensures consistent performance over time.

CONS

  • Limited to low pressure applications, not suitable for high pressure needs.
  • Higher initial cost compared to standard pressure compressors.
  • Low pressure design may result in larger physical size of the compressor.

How-to Articles

B&D Low Pressure Rotary Screw Air Compressor Manual

Download B&D Low Pressure Rotary Screw Air Compressor Manual

Download B&D Low Pressure Rotary Screw Air Compressor Specs

B&D Low Pressure Rotary Screw Air Compressor FAQ

What is the minimum order quantity (MOQ) for a B&D Low Pressure Rotary Screw Air Compressor? +

The minimum order quantity (MOQ) for a B&D Low Pressure Rotary Screw Air Compressor is 1 piece. This allows for flexibility in ordering, catering to both retail and wholesale needs.

What are the payment terms for purchasing a B&D Low Pressure Screw Compressor? +

The payment terms for purchasing a B&D Low Pressure Screw Compressor are either TT (Telegraphic Transfer) or LC (Letter of Credit). These options provide secure and reliable methods of payment for both parties.

What is the lead time for delivery of a B&D Low Pressure Screw Compressor? +

The lead time for delivery of a B&D Low Pressure Screw Compressor ranges from 3 to 35 days, depending on the specific requirements and customization of the order.

What are the advantages of using a B&D Low Pressure Screw Air Compressor? +

The advantages of using a B&D Low Pressure Screw Air Compressor include low rotating speed while maintaining a good free airflow volume, ensuring no energy consumption waste in long-term operation.

How does B&D ensure the quality and reliability of their Low Pressure Screw Air Compressors? +

B&D cooperates with top suppliers and uses superior spare parts to ensure the air compressor continuously runs. The compressors also feature fault alarms and a self-detect system that is at the industrial cutting edge.

How can a B&D Low Pressure Screw Air Compressor help save energy costs? +

B&D Low Pressure Screw Air Compressors can help cut 20%-45% energy costs by eliminating the need for a pressure reducer, as you don’t need to “reduce” an extra air pressure.

What kind of control system do B&D Low Pressure Screw Air Compressors use? +

B&D Low Pressure Screw Air Compressors feature an original easy management mode and touch screen display. The whole remote control system has the first patent in the industry which can achieve remotely monitoring, revising parameters, and giving out automatic alarms and maintenance alarms.

Are B&D Low Pressure Screw Air Compressors environmentally friendly? +

Yes, the whole air compressor system is more environmentally friendly due to the accuracy of pressure control inside the compression element (airend), stable air delivery at fixed pressure, oil content ≤2ppm, and a creative noise-decreasing technology.

What are the cooling options for B&D Low Pressure Screw Air Compressors? +

B&D Low Pressure Screw Air Compressors offer both air cooling and water cooling options. The discharge temperature for air cooling is ambient temperature ±10℃, while for water cooling, it is <40℃.

What is the noise level of B&D Low Pressure Screw Air Compressors? +

The noise level of B&D Low Pressure Screw Air Compressors ranges from 73±2 dBA to 78±2 dBA, depending on the specific model. This relatively low noise level is achieved through their creative noise-decreasing technology.

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