00041351 Bürkert: Renewal Kit for Type 0281/0290 Valves
The 00041351 (often searched as **41351**) is a comprehensive Wearing Part Set (Service Kit) manufactured by Bürkert Fluid Control Systems. This kit is specifically engineered for the maintenance of Type 0281 and Type 0290 solenoid valves, particularly for the DN25 (1-inch) orifice size. Instead of replacing the entire valve body—which is often made of high-grade brass or stainless steel and remains intact—this kit allows maintenance engineers to replace only the dynamic components that degrade over time, such as the diaphragm, springs, and plunger seals.
Kit Contents & Material Specification
- Diaphragm: NBR (Nitrile Rubber) – Optimized for neutral fluids like water, compressed air, and hydraulic oil.
- Springs: Stainless steel compression springs to restore snappy closing action.
- O-Rings: Complete set of sealing rings for the pilot and main seat.
- Compatibility: Primarily Type 0281 A (Normally Closed) DN25.
Maintenance & Installation Guide
Lifecycle State: Active Spare. Diagnosis: If your Type 0281 valve is «passing» (leaking internally when closed) or opening sluggishly, the diaphragm has likely stiffened or cracked. Using the 00041351 kit restores the valve to factory specifications. Installation Advice: Clean the valve seat thoroughly before installing the new diaphragm. Pay close attention to the orientation of the pilot hole in the diaphragm; incorrect alignment will prevent the valve from building the pressure differential needed to open. Compatibility: This NBR kit is suitable for media temperatures from -10°C to +80°C. For hotter media or aggressive chemicals, check if an FKM version is required.
| Metric | Value |
|---|---|
| Nominal Diameter | DN 25 |
| Seal Material | NBR (Perbunan) |
| Valve Functions | 2/2 Way Normally Closed |
| Weight | ~ 0.05 kg |
Why repair instead of replace?
Repairing a Type 0281 DN25 valve with the 00041351 kit costs a fraction of a new unit and generates less waste, aligning with sustainable maintenance practices.
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