Product Description
The Positive Master Displacement Blower (BIAB-PMDB-945) is a heavy-duty, positive-displacement blower engineered to deliver steady, pulsation-free airflow for continuous duty. Built for reliability, it provides consistent volumetric flow across variable back-pressures, making it ideal for pneumatic conveying, wastewater aeration, and process air applications.
Designed for demanding environments, the BIAB-PMDB-945 offers optional corrosion-resistant finishes and flexible drive arrangements including belt-driven and direct-coupled configurations. The tri-lobe rotor profile significantly reduces pulsation and noise compared to twin-lobe designs, making it suitable for noise-sensitive installations.
Routine maintenance is straightforward, ensuring efficient long-term performance and cost-effective operation in critical airflow systems. All units are factory-tested to AMCA 210 / ISO 5801 performance standards and supplied with full documentation including performance curves and material certificates.
Pulsation-Free Flow
Tri-lobe rotor profile delivers smooth, steady airflow with minimal pulsation and noise.
Consistent Volumetric Flow
Positive displacement design maintains flow across variable back-pressures.
Corrosion-Resistant Options
Optional corrosion-resistant finishes for aggressive or humid environments.
Continuous Duty
Heavy-duty construction rated for 24/7 continuous operation in industrial facilities.
Full Technical Specifications
| Product Number | BIAB-PMDB-945 |
| Type | Twin/Tri-lobe Rotary Positive Displacement Blower |
| Flow Range | 30 20,000 m/hr |
| Pressure | Up to 1 bar (differential) |
| Rotor Profile | Twin-lobe or Tri-lobe (reduced pulsation) |
| Drive | Belt-driven or Direct-coupled |
| Casing Material | Cast iron, Ductile iron, Stainless steel |
| Finish Options | Standard, corrosion-resistant, food-grade |
| Duty | Continuous duty, heavy-duty industrial |
| Factory Test | Performance test per AMCA 210 / ISO 5801 |
Lead Time: 814 weeks standard. Special finishes or large units 1420 weeks.
Common Applications
Pneumatic Conveying
Steady airflow for bulk material conveying in food, chemical, and industrial plants.
Wastewater Aeration
Reliable aeration air supply for biological treatment processes.
Process Air
Continuous process air supply in chemical, pharmaceutical, and manufacturing facilities.