PLUS Manufacturing
PLUS Manufacturing is a leading manufacturer of side channel blowers, offering a wide range of single-stage, double-stage, and multi-stage blowers for vacuum and pressure applications. Designed for continuous-duty industrial use, PLUS blowers are known for reliability, low noise, and maintenance-free operation.

PM1 Series – Side Channel Blowers
The PM1 Series is designed for general industrial applications requiring stable airflow and pressure. These blowers offer a balance between performance, efficiency, and compact size.
Key Features
- Single-stage and double-stage configurations
- Differential pressure up to approx. 780 mbar
- Airflow up to approx. 2,500 m³/h
- Low operating noise
- Suitable for inverter (VFD) operation
Typical Applications
- Packaging and processing machinery
- Vacuum holding and clamping
- Pneumatic conveying
- Printing and paper handling
- Industrial automation
Model Range
- PM1-1 to PM1-9 series (single-phase and three-phase options)

PM7 Series – High-Performance Side Channel Blowers
The PM7 Series is designed for demanding applications requiring very high pressure differences with low noise and long service life. These blowers can operate up to 20,000 hours without maintenance downtime.
Key Features
- Pressure difference up to approx. 1,000 mbar
- Multi-stage design for high differential pressure
- Extremely low noise for its performance class
- Wear-free and oil-free operation
- Proven reliability in harsh environments
Typical Applications
- Heavy-duty pneumatic conveying
- Centralised vacuum and pressure systems
- Industrial drying processes
- High-demand automation systems
- Continuous industrial operation
Model Range
- PM7 series (single-phase and three-phase, single and multi-stage versions)
Full Technical Catalogue
For detailed specifications, performance curves, dimensions, and complete model listings, please download the full Sheng Shih catalogue.
Download PLUS Side Channel Blower Catalogue (PDF)