00041350 Bürkert: Essential Maintenance for DN20 Valves
The 00041350 (or **41350**) is the genuine Wearing Part Set for Bürkert’s robust **Type 0281** solenoid valves with a DN20 (3/4-inch) orifice. Type 0281 is a servo-assisted diaphragm valve known for its reliability in water treatment and process automation. Over millions of cycles, the elastomer diaphragm loses elasticity, and the pilot seal may wear, leading to leaks or failure to close. This service kit provides all the necessary OEM components to overhaul the valve block without removing it from the pipework, minimizing plant downtime.
Technical Details
- Application: Repair kit for Type 0281 / 0290.
- Size: DN 20 (20mm orifice).
- Material: NBR (Standard Nitrile).
- Fluid Suitability: Water, Air, Neutral Gases, Oil.
- Kit Components: Main diaphragm, pilot assembly seals, cover O-ring, core spring.
Field Engineer’s Notes
Lifecycle State: Active Spare. Diagnosis: A common sign that this kit is needed is «water hammer» or vibration during closing, indicating the diaphragm is no longer cushioning the flow correctly. Installation: Ensure the solenoid coil is removed safely before opening the valve bonnet. The kit includes a new body seal; do not reuse the old O-ring as it will have taken a compression set and may leak. Compatibility: This specific kit (00041350) is generally for the **NBR** version. If your valve handles steam or hot water >80°C, you likely have an EPDM or FKM version, which requires a different kit number. Verify the ID on the old valve label before ordering.
| Feature | Specification |
|---|---|
| Fluid Temp Range | -10°C to +80°C (NBR) |
| Valve Pressure | 0.2 – 16 bar (Typical) |
| Origin | Genuine Bürkert Germany |
| Function | Restores bubble-tight sealing |
Pro-Tip
Keep a 00041350 kit in stock for critical water lines. A diaphragm rupture can happen suddenly, and having the kit on hand turns a potential flood into a 15-minute repair job.
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