Overview
The Piab Free Flow Silencer 75 model 3116609 is an exhaust silencer accessory engineered for Piab vacuum pump and ejector systems. Using a flow-through design, this silencer effectively reduces noise generated during vacuum operation while maintaining system performance. It is compatible with Piab’s COAX® multi-stage vacuum ejector technology and serves industrial vacuum applications requiring quieter operation.
Key Features
- Flow-through design minimizes back pressure while silencing exhaust
- Compatible with Piab COAX® vacuum ejector and pump systems
- Compact, easy integration into existing vacuum circuits
- Reduces noise during vacuum evacuation and release cycles
- Durable construction suitable for industrial environments
Technical Specifications
- Model: Free Flow Silencer 75
- Part Number: 3116609
- Type: Exhaust silencer, flow-through design
- Manufacturer: PIAB VACUUM PRODUCTS
- Application: Vacuum pump and ejector exhaust
- Material: Industrial-grade construction
Typical Applications
The Piab Free Flow Silencer 75 is used in:
- Industrial vacuum pickup and material handling systems
- Automated assembly and packaging lines requiring quiet operation
- Multi-stage vacuum ejector installations with COAX® technology
- Pneumatic systems where noise reduction is critical
- Manufacturing environments subject to noise regulations
Compatibility & Replacements
Compatible With
- Piab COAX® multi-stage vacuum ejectors (MINI, MIDI, MICRO series)
- Piab vacuum pump systems across all capacity ranges
- Compressed-air-driven vacuum applications
- Intermittent and continuous duty vacuum circuits
Replaces / Drop-In Replacement For
Verify with your system integrator or Piab distributor for specific model interchangeability.
Works With
- Piab vacuum pump control systems
- Standard pneumatic silencer mounting interfaces
- Compressed air supply lines up to system pressure ratings



