EL/pump Gianneschi CB 25/16 B – Code 01FCB253

Centrifugal pump for water circulation – 230/400 V – 1.1 kW

La EL/pump CB 25/16 B by Gianneschi Pumps and Blowers is a centrifugal pump designed for circulation and lifting of clean water, both fresh which sea, in technical and onboard systems. The version identified by code 01FCB253 is equipped with three-phase motor 230/400 V – 50 Hz and power 1.1 kW.

Product identification

• Model: CB 25/16 B
• Type: centrifugal electric pump
• Manufacturer: Gianneschi Pumps and Blowers S.R.L.
• Supplier code: 01FCB253
• Internal SKU: GIA000000520

Electrical data

• Power Supply: 230/400 V (3~)
• Frequency: 50 Hz
• Potenza nominale: 1.1 kW
• Rated speed: 2800 rpm (AC 50 Hz series)
• Motor: Class F insulation – IP44/55 protection (general data for CB series)

Construction materials

(official data for CB series)

• Pump body: bronze (cast iron on request)
• Impeller: bronze or special brass alloy
• Shaft: AISI 316 stainless steel
• Mechanical seal: ceramic / graphite / stainless steel

This combination makes the pump suitable for both fresh water and seawater in onboard technical systems.

Usage framework

The CB 25/16 B belongs to the category pumps for seawater/freshwater circulation.
The CB series is suitable for:

• Hydraulic and sanitary systems
• Air conditioning and refrigeration
• Heating
• : seawater circuits and heat exchangers (check material compatibility in the product sheet).
• Continuous water circulation
• Network pressure increase in water systems

Important note: the CB series is not self-priming.
It must be installed below the liquid level to prevent the pump body from emptying.

Performance (AC 50 Hz – data verified from table)

Model CB 25/16 B – 1.1 kW – 2800 rpm

Performance according to EN ISO 9906 – Gianneschi, ed. 09/2017.

Dimensions and weight (AC version)

(values verified from table – dimensions in mm)

• a: 55
• b: –
• c: 85
• f: 380
• n: 150
• m: 220
• l: 200
• h: 290
• h’: 100
• Connection ports: 1” ½ – 1”
• Weight: 25 kg

(indicative dimensions as per technical document)

Typical applications

Consistent with the product category, the CB 25/16 B is used for:

• Circulation of seawater or freshwater in technical systems
• Recirculation in onboard systems
• Cooling or air conditioning systems
• Water systems with continuous service
• Replacements in refitting, where the same model or code is required

Advantages for selection and replacement

• Unique identification: model + code 01FCB253 avoid variant errors.
• Complete electrical data: 230/400 V – 50 Hz – 1.1 kW for immediate compatibility check.
• Materials suitable for the marine environment, as indicated for the CB series.
• Available performance: official curve for preliminary checks on flow rate and head.

Operational notes

Before purchase or installation it is advisable to check:

• Code match 01FCB253 with the bill of materials or with the nameplate of the pump being replaced.
• Compatibility of three-phase power supply 230/400 V.
• Circuit requirements (flow rate, head, pump position relative to water level).
• Need to install the pump below the water level, as it is not self-priming.

For technical requests or comparisons

Always indicates:
CB 25/16 B – Code 01FCB253 – 230/400 V – 50 Hz – 1.1 kW

This way it is possible to correctly verify compatibility, spare parts, and variants.

FAQ – Frequently Asked Questions

What is the product code of the EL/pump CB 25/16 B?

The supplier product code is 01FCB253 (Gianneschi Pumps and Blowers).

What are the electrical data specified for this pump?

Based on the available information, the pump is rated for 230/400 V, 50 Hz and power 1.1 kW.

For which applications is the CB 25/16 B suitable?

It is included in the categories Pumps and Seawater circulation and is associated with the tag seawater/freshwater circulation, thus it is intended for water circulation uses in technical systems, typically in the nautical field.

Can I use it as a replacement for an existing pump?

For a correct replacement, it is advisable to verify the model match and especially the code 01FCB253, as well as the electrical data (230/400 V, 50 Hz, 1.1 kW) compared to the installed pump.

Where can I find flow rate, head, and other technical data?

These data are not reported on this page because they are not available. For performance and details (e.g., curve, connections, materials) it is appropriate to consult the official Gianneschi technical documentation referring to code 01FCB253.