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Self-priming pump Gianneschi “CP” liquid ring series, model EL/CP Pump 30 A1. 24 V version with 0.45 kW power, suitable for onboard systems in areas such as bilge, fire-fighting services, diesel management and seawater circuits (depending on the project). Declared components: bronze impeller, AISI 316 stainless steel shaft and mechanical seal with ceramic/graphite/stainless steel materials. For identification and spare parts: supplier code 01ACP301A1, SKU GIA000000031. For sizing and system compatibility, refer to the manufacturer's technical documentation.
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Self-priming pump Gianneschi Pumps and Blowers S.R.L. CP 30 A1 24V – “CP” liquid ring series
The CP 30 A1 is a self-priming electric pump of the with star impeller, specifically designed for the nautical environment. Thanks to its excellent self-priming capability (up to 8 vertical meters), it is ideal for handling liquids with high air content or for applications where priming reliability is critical. belonging to the “CP” series, designed for onboard and marine plant applications. The configuration 24 V with power 0.45 kW makes it compatible with many naval electrical installations, where reliable and easily integrable components are required.
Main technical features
Type
Self-priming electric pump
Technology: liquid ring
Alimentazione
Voltage: 24 V (DC)
Power: 0.45 kW
Motor
Insulation class: B
Protection rating: IP20 / IP22
Construction and materials
Main components
Pump body: bronze
Impeller: bronze
Shaft: stainless steel AISI 316
Mechanical seal: ceramic, graphite, and stainless steel
This configuration is typical of pumps intended for marine environments and the handling of technical liquids.
Performance and operation
Self-priming pump with star impeller
Declared self-priming capacity: up to 8 m (vertical)
After the first filling, it is able to prime even with an empty suction pipe
Operational note
At first start-up (or after long periods of inactivity) it is necessary to fill the pump body
Typical applications
According to the indications of the “CP” series, the pump is used for:
Diesel transfer
Liquid transfer (fresh water and sea water)
Grey water discharge (kitchen and showers – versions A1/A2)
Bilge pumping
These applications are consistent with onboard systems and nautical auxiliary circuits.
Identifying data
Model: CP 30 A1
Series: CP (liquid ring)
Product code: 01ACP301A1
SKU: GIA000000031
Manufacturer: Gianneschi Pumps and Blowers S.R.L.
Installation and use
General indications (from CP series manual):
Install a filter on the suction line
Provide a non-return valve (check valve) to prevent backflow
Check electrical compatibility (24 V) and line sizing
Important notes
Detailed performance (flow/head curves) depend on operating conditions and must be verified on complete technical documentation
Dimensions and installation data may vary depending on the specific version
For critical applications or regulations, always refer to the official manufacturer specifications
FAQ – Frequently Asked Questions
Is the CP 30 A1 a self-priming pump?
Yes. It is indicated as EL/Self-priming pump of the “CP” liquid ring series.
What is the power supply of the CP 30 A1 pump?
The board version is powered at 24 V.
What is the declared power for this model?
The indicated power is 0.45 kW.
What materials are specified for the impeller and shaft?
The impeller is made of bronze and the shaft is stainless steel AISI 316.
What is the product code to identify this version?
The indicated supplier product code is 01ACP301A1 (SKU: GIA000000031).
Supplier
Gianneschi pumps and blowers S.R.L.
Supplier product code
01ACP301A1
pa_customfield1
5,0/ 5
Based on 13 verified reviews
13 reviews for EL/Pompa CP 30 A1, 24v, 0.45 kw – codice: 01ACP301A1 – Gianneschi Pumps and Blowers
Rated 5 out of 5
Elisabetta Rossetti (verified owner)-
Gianneschi CP 30 A1 24V pump with 0.45 kW solid and well-built. Installed on board system for bilge/seawater: ready start, good flow rate and regular operation even after several hours of use. Materials and finishes are well done, you can feel the quality of the brand. Price is not low, but consistent with performance and reliability.
Rated 5 out of 5
Fabio Mureddu (verified owner)-
I bought the Gianneschi EL/Pump CP 30 A1 24V (0.45 kW) for the onboard system: solid construction and well-finished. Easy installation and regular operation, with good output for bilge/services. Considering the brand and performance, the price seems fair to me.
Rated 5 out of 5
Leonardo Rinaldi (verified owner)-
I installed the Gianneschi CP 30 A1 24V (0.45 kW) pump as a bilge pump on a boat and tested it in a marine environment for some outings. Regular start, good flow rate and stable operation even with prolonged use. Solid construction and well-finished. So far I am satisfied with the purchase.
Rated 5 out of 5
Simona Grassi (verified owner)-
I bought the Gianneschi EL/Pump CP 30 A1 24V (0.45 kW) for an onboard system and it matches the description. Regular start, good flow rate and solid construction. Fast shipping and very careful packaging.
Rated 5 out of 5
Bruno Cattaneo (verified owner)-
Gianneschi CP 30 A1 24V (0.45 kW) pump arrived on time and as described. Installed on board for bilge use: regular start and good flow rate. Customer service available and quick to clarify a doubt about the connection.
Rated 5 out of 5
Alberto Serra (verified owner)-
Fast delivery and careful packaging. The Gianneschi CP 30 A1 24V (0.45 kW) pump matches the description and installed without problems; regular start and good flow rate for bilge use. Recommended product.
Rated 5 out of 5
Francesca Ruggiero (verified owner)-
Gianneschi CP 30 A1 pump matches the description: solid construction and components suitable for use in a marine environment. Easy installation and regular operation at 24V, with good flow rate for the onboard system. Shipping and packaging ok.
Rated 5 out of 5
Stefania Mazzoni (verified owner)-
Gianneschi CP 30 A1 pump matches the description (24V, 0.45 kW). Well-made packaging and punctual shipping; arrived undamaged and ready for installation.
Rated 5 out of 5
Mario Grasso (verified owner)-
Gianneschi CP 30 A1 24V (0.45 kW) pump purchased for onboard system: solid construction, materials and finishes suitable for use in a marine environment. Easy installation and regular operation, with good flow rate for bilge/seawater. Product matches the description.
Rated 5 out of 5
Massimo Gatti (verified owner)-
Gianneschi EL/Pump CP 30 A1 24V (0.45 kW) matches the description and well packaged. Fast and tracked shipping, arrived within the expected time. Good quality product, ideal for bilge/seawater systems.
Rated 5 out of 5
Giulio Rizzi (verified owner)-
Gianneschi CP 30 A1 24V pump arrived quickly and well packaged. Matches the description (0.45 kW) and complete with documentation/certification. Installed on onboard system, regular start and good flow rate; so far all ok.
Rated 5 out of 5
Raffaele Amato (verified owner)-
Gianneschi CP 30 A1 pump installed on a 24V system: solid construction and careful finishes, the professional quality is immediately noticeable. Smooth start-up and stable operation even after several hours of use. So far fully satisfied with the purchase.
Rated 5 out of 5
Gabriella Orlando (verified owner)-
Secure packaging and timely delivery. The Gianneschi CP 30 A1 24V (0.45 kW) pump arrived intact and as described; easy installation and regular operation, with good flow rate for bilge use.
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Note: For shipments over 70 kg with DHL courier, contact the WhatsApp number before the transaction +39 329 2395865.
Elisabetta Rossetti (verified owner) -
Gianneschi CP 30 A1 24V pump with 0.45 kW solid and well-built. Installed on board system for bilge/seawater: ready start, good flow rate and regular operation even after several hours of use. Materials and finishes are well done, you can feel the quality of the brand. Price is not low, but consistent with performance and reliability.
Fabio Mureddu (verified owner) -
I bought the Gianneschi EL/Pump CP 30 A1 24V (0.45 kW) for the onboard system: solid construction and well-finished. Easy installation and regular operation, with good output for bilge/services. Considering the brand and performance, the price seems fair to me.
Leonardo Rinaldi (verified owner) -
I installed the Gianneschi CP 30 A1 24V (0.45 kW) pump as a bilge pump on a boat and tested it in a marine environment for some outings. Regular start, good flow rate and stable operation even with prolonged use. Solid construction and well-finished. So far I am satisfied with the purchase.
Simona Grassi (verified owner) -
I bought the Gianneschi EL/Pump CP 30 A1 24V (0.45 kW) for an onboard system and it matches the description. Regular start, good flow rate and solid construction. Fast shipping and very careful packaging.
Bruno Cattaneo (verified owner) -
Gianneschi CP 30 A1 24V (0.45 kW) pump arrived on time and as described. Installed on board for bilge use: regular start and good flow rate. Customer service available and quick to clarify a doubt about the connection.
Alberto Serra (verified owner) -
Fast delivery and careful packaging. The Gianneschi CP 30 A1 24V (0.45 kW) pump matches the description and installed without problems; regular start and good flow rate for bilge use. Recommended product.
Francesca Ruggiero (verified owner) -
Gianneschi CP 30 A1 pump matches the description: solid construction and components suitable for use in a marine environment. Easy installation and regular operation at 24V, with good flow rate for the onboard system. Shipping and packaging ok.
Stefania Mazzoni (verified owner) -
Gianneschi CP 30 A1 pump matches the description (24V, 0.45 kW). Well-made packaging and punctual shipping; arrived undamaged and ready for installation.
Mario Grasso (verified owner) -
Gianneschi CP 30 A1 24V (0.45 kW) pump purchased for onboard system: solid construction, materials and finishes suitable for use in a marine environment. Easy installation and regular operation, with good flow rate for bilge/seawater. Product matches the description.
Massimo Gatti (verified owner) -
Gianneschi EL/Pump CP 30 A1 24V (0.45 kW) matches the description and well packaged. Fast and tracked shipping, arrived within the expected time. Good quality product, ideal for bilge/seawater systems.
Giulio Rizzi (verified owner) -
Gianneschi CP 30 A1 24V pump arrived quickly and well packaged. Matches the description (0.45 kW) and complete with documentation/certification. Installed on onboard system, regular start and good flow rate; so far all ok.
Raffaele Amato (verified owner) -
Gianneschi CP 30 A1 pump installed on a 24V system: solid construction and careful finishes, the professional quality is immediately noticeable. Smooth start-up and stable operation even after several hours of use. So far fully satisfied with the purchase.
Gabriella Orlando (verified owner) -
Secure packaging and timely delivery. The Gianneschi CP 30 A1 24V (0.45 kW) pump arrived intact and as described; easy installation and regular operation, with good flow rate for bilge use.