The Wilden PS2 25 mm Saniflo Hygienic Series clamped metal AODD pump air model delivers reliable air-powered transfer for demanding hygienic fluid handling. This pump is designed for food, beverage, and personal care applications where contamination risk must be minimized.
Engineered with clamped metal construction, the Wilden PS2 25 mm Saniflo Hygienic Series combines robust airflow control with clean-in-place compatibility. Operators value the combination of sanitary design and industrial durability in continuous process environments.
| Pump Type | Key Material | Flow Range (LPM) | Typical Use |
|---|---|---|---|
| Air Operated Double Diaphragm (AODD) | 316L Sanitary Clamped Metal | 0.5 to 12 | Hygienic transfer, CIP systems |
| Saniflo Hygienic Series | 316L Clamped Metal | 1.2 to 10 | Dairy, beverage, pharma |
| 25 mm Connection | Tri-Clamp Fittings | Precise metering | Inline process integration |
| Air Supply Requirement | Filtered, Dry Instrument Air | 0.3 to 0.8 MPa | Stable pulsation-free flow |
Air Operation And Performance Characteristics
Understanding the air operation principles helps in optimizing efficiency and longevity. The Wilden PS2 25 mm Saniflo Hygienic Series uses dual diaphragms to convert compressed air into linear pumping motion.
Each chamber cycle draws product in and discharges it with consistent flow. Air port sizing and valve design minimize pulsation while protecting sensitive media. Proper air filtration and regulated pressure are critical for smooth, repeatable performance.
Hygienic Design And Clamped Metal Construction
Material Compatibility And Cleaning Protocols
The clamped metal body uses 316L stainless steel keyed joints for aggressive cleaning and steam compatibility. All wetted paths in the Wilden PS2 25 mm Saniflo Hygienic Series resist product buildup and chemical attack.
Validated cleaning-in-place (CIP) procedures maintain surface integrity and prevent cross contamination. Crack and crevice free assembly simplifies validation for GMP documentation.
Integration And Mounting Guidelines
Piping, Supports, And Air Supply
Correct alignment of the 25 mm tri-clamp ports reduces stress on couplings and diaphragms. Use flexible hose connections near the pump to absorb minor misalignment and vibration.
Mount the unit on a rigid, level surface with adequate airflow around the pump. Install upstream filters, regulators, and lubricators to maintain dry, clean instrument air within manufacturer limits.
Operational Monitoring And Maintenance
Performance Indicators And Routine Checks
Track cycle rates, air consumption, and discharge pressure to detect diaphragm wear or valve issues early. An increase in carryover or flow drop usually signals the need for inspection.
Scheduled shutdowns allow checking clamp torque, gasket condition, and air valve components. Replacement parts from the Saniflo Hygienic Series maintain original sanitary specifications.
Key Takeaways For Deployment
- Use 316L clamped metal construction for maximum chemical and steam resistance
- Maintain dry, filtered instrument air within 0.3 to 0.8 MPa for stable operation
- Align tri-clamp ports carefully and support piping near the pump
- Monitor cycle rate and air usage to spot diaphragm or valve wear early
- Follow validated CIP procedures and document gasket and clamp torque checks
FAQ
Reader questions
How can I verify that my Wilden PS2 25 mm Saniflo Hygienic Series pump is compatible with CIP cleaning?
Check that all wetted surfaces are 316L stainless steel with tri-clamp ends, and confirm that construction drawings include steam and chemical compatibility data. Run a small pilot CIP cycle while monitoring pressure and leak paths before full scale cleaning.
What air supply range is recommended for optimal performance of this AODD pump?
Operate with filtered, dry instrument air between 0.3 and 0.8 MPa, adjusting for media viscosity. Use pressure regulators and filters to keep air dry and free of oil, protecting the diaphragms and internal valves.
How do I minimize pulsation and vibration when integrating the pump into my line?
Mount the Wilden PS2 25 mm Saniflo Hygienic Series on a rigid, level base and use short, flexible hose runs near the pump. Add pulsation dampeners or larger air receivers if required by the system layout.
What are common signs that the diaphragms or air valves need service on this pump?
Watch for declining flow, higher air consumption, unusual noise, or visible wear during inspection. Replace diaphragms and check air valves at the first sign of performance change to avoid unplanned downtime.