The ABB 730682 Filter Stone is a porous filtration element used within compatible ABB pneumatic and process control equipment. Rather than serving as an electrical or electronic component, this part performs a mechanical filtration function by allowing air or gas to pass while helping to retain fine particles that could affect downstream equipment.
Because filter stones are wear items, they are typically replaced during scheduled servicing to maintain consistent operating conditions inside the associated ABB assembly.
Function Within Equipment
Instead of participating in signal processing, switching, or power conversion, the filter stone forms part of the media flow path inside compatible equipment.
| Operating Stage | Role of the Filter Stone |
|---|---|
| Air intake | Allows airflow to enter |
| Particle retention | Traps fine contaminants |
| Internal circulation | Maintains cleaner operating media |
| Routine servicing | Replaced after extended operation |
Its purpose is to support stable operating conditions by reducing contamination entering sensitive internal sections.
Part Identification
| Description | Value |
|---|---|
| Manufacturer | ABB |
| Part Number | 730682 |
| Product Name | Filter Stone |
| Component Type | Porous Filter Element |
| Function | Air / Gas Filtration |
| Product Category | Maintenance Spare Part |
| Installation | Internal equipment component |
| Replacement Type | Consumable service component |
Maintenance Considerations
The filter stone is generally replaced as part of preventive maintenance rather than after an electrical fault.
Common replacement situations include:
| Service Condition | Typical Action |
|---|---|
| Scheduled maintenance | Install new filter stone |
| Contamination build-up | Replace filtration element |
| Equipment overhaul | Renew internal service parts |
| Spare parts inventory | Maintain replacement stock |
The service interval depends on operating conditions, environmental cleanliness, and equipment usage.
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Purchasing Reference
Before ordering, maintenance personnel usually compare the installed component against equipment records.
| Verification Item | Required Information |
|---|---|
| ABB Part Number | 730682 |
| Component Description | Filter Stone |
| Installed Equipment | Compatible ABB assembly |
| Service Documentation | Matching maintenance record |
| Quantity Required | According to equipment configuration |
Using the ABB part number is the preferred method for identifying the correct replacement component.
The 730682 filter stone is commonly held in spare parts inventory for:
- Preventive maintenance programs
- Planned equipment servicing
- Replacement of contaminated filter elements
- Long-term support of ABB installations
- Maintenance stock for critical production assets
Unlike electronic modules, filter elements are often stocked in multiples to support routine maintenance schedules.
Product Characteristics
| Feature | Description |
|---|---|
| Porous Construction | Permits controlled media flow |
| Replaceable Design | Intended for periodic servicing |
| Compact Form | Fits inside compatible equipment |
| Passive Component | No electrical connection required |
| Industrial Material | Designed for long-term operation |
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