Genuine Wilden AODD Diaphragm Pumps & Spare PartsWilden Pump Maintenance — Simple Service Intervals
How to keep a Wilden AODD pump running for years — simple checks, wear parts and service intervals. From an authorized Wilden dealer.

The Wilden 02-11552 is a 1-inch Pro-Flo FIT series bolted AODD pump constructed from 316 stainless steel. It delivers up to 56 GPM at 120 PSI and is equipped with FKM diaphragms and FKM ball valves. T…
| Flow Rate | 1040 L/min (62.4 m³/h / 275 GPM) |
|---|---|
| Head | 0-86m |
| Inlet / Outlet Diameter | 6-100mm |
| Material | Aluminum Alloy, Cast Iron, SS316 Stainless Steel, Hastelloy, PP, PVDF, Carbon Filled Acetal |
The Wilden 02-11552 is a 1-inch Pro-Flo FIT series bolted AODD pump constructed from 316 stainless steel. It delivers up to 56 GPM at 120 PSI and is equipped with FKM diaphragms and FKM ball valves. This model is designed for aggressive chemical transfer and high-purity applications where corrosion resistance is critical.
Key Features
•
316 stainless steel wetted parts – maximum corrosion resistance
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Pro-Flo FIT air distribution system – reliable stall-free operation
•
FKM diaphragms and ball valves – excellent chemical resistance
•
Handles solids up to 0.25 inches (6.35 mm)
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Bolted construction for leak-free performance
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CE and UKCA certified
Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | 02-11552 |
| Configuration | P220/SSPPP/VTS/VT/STF/0677 |
| Port Size | 1 inch (DN25) |
| Max Flow Rate | 56 GPM (212 L/min) |
| Max Working Pressure | 120 PSI (8.3 Bar) |
| Max Solid Particle | 0.25 inch (6.35 mm) |
| Inlet Orientation | Center horizontal rear |
| Outlet Orientation | Center horizontal front |
| Connection Type | NPT threaded |
| Certifications | CE, UKCA |
FAQ
Q: What diaphragm material is used in the 02-11552?
A: FKM (Viton) diaphragms and ball valves for excellent chemical resistance.
Q: What is the maximum viscosity this pump can handle?
A: Up to 125,000 cP.
Q: Is this pump suitable for food applications?
A: With appropriate material selection, it can be used for food-grade applications.
Need More Information?
If you need more details about WILDEN air-operated double diaphragm pumps or have questions about product selection, installation, operation, and maintenance, please contact our professional engineering team at Haquan Pump Valve. We will serve you wholeheartedly. Your satisfaction is our greatest pursuit.
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