Impeller nut for CB25/12 AE R – code: RCB2512A02 – Gianneschi Pumps and Blowers

Impeller nut for CB25/12 AE R (RCB2512A02) – Gianneschi spare part

The impeller nut for CB25/12 AE R, Osculati Gianneschi code RCB2512A02, is a replacement component intended for the maintenance and restoration of the correct assembly of the impeller on pumps of the indicated series. In nautical and onboard system contexts, the availability of correct and traceable spare parts is a key aspect for orderly interventions consistent with the original configuration of the unit.

Product identification

• Type: impeller nut (spare part)
• Declared application: CB25/12 AE R
• Supplier product code: RCB2512A02
• Supplier: Gianneschi pumps and blowers S.R.L.
• SKU: GIA000000321

Role of the impeller nut in the assembly

The impeller nut is a fastening element that contributes to the locking of the impeller on the shaft (or on the driving element provided by the pump group). In a properly assembled unit, the nut works in synergy with the other components of the rotating group, helping to keep the impeller in position during operation.

During maintenance, the replacement of the nut can be considered when working on the impeller assembly or when restoring a fastening compliant with the configuration provided by the manufacturer.

Original spare part and traceability

The presence of code RCB2512A02 allows unique identification of the component within the Gianneschi spare parts. In technical contexts (nautical, systems, service), traceability through the code is useful to:

• reduce the risk of ordering an incorrect component;
• align the maintenance intervention with the spare parts list;
• simplify procurement and inventory management.

Typical applications

This spare part is intended for use on Gianneschi CB25/12 AE R pumps, within ordinary or extraordinary maintenance interventions. In particular, it may be involved in activities such as:

• disassembly and reassembly of the impeller assembly during inspections or overhauls;
• replacement of rotating group components, when it is appropriate to also restore the fastening elements;
• restoration of the assembly in case of wear, damage, or loss of the component during previous interventions.

If you are managing a spare parts kit or a maintenance list for the CB series, the pairing for model e code remains the most reliable criterion.

Check compatibility before ordering

To avoid mistakes, always check:

• exact model of the pump: CB25/12 AE R;
• spare part codeRCB2512A02;
• any technical documentation or spare parts list of your unit (if available).

In the presence of series variants or modifications over time, the code remains the most useful reference. If you are not sure of the match, it is advisable to compare the code with the plant documentation or with the removed spare part.

Note on availability and identification in stock

For efficient management, you can refer to:

• Internal SKU: GIA000000321
• Supplier code: RCB2512A02

FAQ – Frequently Asked Questions

This rotating nut is compatible with the CB25/12 AE R pump?

Yes, the product is indicated as a rotating nut for CB25/12 AE R. For safety, also check the supplier code RCB2512A02 on the documentation or on the removed spare part.

What is the Gianneschi product code for this spare part?

The supplier product code is RCB2512A02.

What is the purpose of the rotating nut in a pump?

It is a fastening element that contributes to locking the impeller in the pump assembly, supporting the correct assembly of the rotating group.

How can I identify the product in stock or for a reorder?

You can use the internal SKU GIA000000321 or the supplier code Gianneschi RCB2512A02.