00040311 Bürkert: Essential Maintenance Kit for Type 0330
The 00040311 (or 40311) is a high-quality Wearing Part Set designed by Bürkert Fluid Control Systems for the comprehensive overhaul of Type 0330 and Type 0331 solenoid valves. These valves are famous for their pivoting armature design with a separating diaphragm, which isolates the media from the actuator system. This makes the 0330 series ideal for aggressive, contaminated, or high-purity fluids. Over millions of cycles, the diaphragm and the internal seals undergo mechanical stress and chemical exposure; the 00040311 kit provides the exact OEM components needed to restore the valve’s hermetic separation and switching precision.
Technical Specifications & Contents
- Compatible Models: Bürkert Type 0330, 0331 (Direct-acting 2/2 or 3/2-way).
- Seal Material: FKM (Viton) – Excellent resistance to high temperatures, oils, and chemicals.
- Orifice Compatibility: Optimized for standard 0330 geometries.
- Kit Includes: 1x Separating diaphragm (FKM), 1x Armature assembly, 1x Plunger seal, and necessary O-rings.
- Media: Oxidizing acids, oils, fuel, and vacuum.
Engineering Field Notes
Lifecycle State: Active Spare. Diagnosis: If the valve exhibits slow response times or if fluid is detected leaking from the vent hole in the armature housing, the separating diaphragm has ruptured. Replacing the internals with the 00040311 kit is a critical preventative measure. Installation Advice: When reassembling the pivoting armature, ensure the alignment pins are seated correctly. Misalignment can lead to premature diaphragm wear or incomplete shut-off. Compatibility: This FKM-based kit is rated for media temperatures up to +90°C. It is a vital spare for chemical dosing pumps and laboratory analysis equipment using Siemens SIMATIC control logic.
| Metric | Performance |
|---|---|
| Seal Material | FKM (Viton) |
| Temp Range | 0°C to +90°C |
| Weight | 0.035 kg |
| Function | Media Separation Restore |
Pro-Tip
Always verify if your application requires NBR, EPDM, or FKM. The 00040311 is the FKM version; using it in steam applications (where EPDM is required) will lead to seal failure.
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