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detailed description
Sena Self-Priming Pump
Pump for circulation and filtration system for swimming pool water.
Self-priming pump from the manufacturer Astralpool of high quality, specially designed for the swimming pool water purification system.
Available in a wide range of models with variable power from 1/3 HP up to 1.25 HP that adapt to the requirements of each sand filter, available in single-phase and three-phase models.
The different models include GS marking and have a flow capacity ranging from 7,000 l/h to 14,000 l/h. They undoubtedly offer great adaptability to all types of residential pools.
Includes a safety system that protects the pump motor when operating at 3,000 rpm. IP - 55 and class F insulation type AISI - 316 for all parts in contact with water.
Connections for Ø 50 mm pipes to be glued, no threading included.
With low noise, Sena pumps can operate at full load with the best noise level across all models, thus minimising noise impact in the pool environment.
Practical design The entire Sena pump series is equipped with a bayonet seal on the pre-filter cover, allowing the pre-filter to be closed in four different positions with a single action. The cross-configuration of the pre-filter cover allows opening or closing with any tool. Additionally, to fix the base to the main pump body, a highly stable and easy-to-assemble base has been selected, eliminating the need for hardware as one of its components.
Features of the Sena Astralpool Pool Pump
• Stainless steel pump fittings.
• 1.5" suction and impact connection accessories for Ø50 mm sleeves.
• Mechanical seal made of AISI 316.
• Impeller made of NORYL®.
• Pump and diffuser body made of polypropylene with mineral and fiberglass reinforcement.
• Class F insulation and IP-55 motor protection, allowing operation in high humidity and high temperature environments.
• Self-priming capacity greater than 2 m.
• Standard range is 50 Hz, but 60 Hz is also available.
Comparison of Sena Self-Priming Pump Models
| Model | Code | Flow Rate | Power | Motor | Volume | Weight |
| Sena 1/3 HP | 25461 | 7,000 l/h | 1/3 HP | 230 V - Single-phase | 0.055 m3 | 10.20 kg |
| Sena 1/2 HP | 25462 | 7,800 l/h | 1/2 HP | 230 V - Single-phase | 0.055 m3 | 10.20 kg |
| Sena 3/4 HP | 25463 | 10,400 l/h | 3/4 HP | 230 V - Single-phase | 0.055 m3 | 11.65 kg |
| Sena 3/4 HP | 25464 | 10,400 l/h | 3/4 HP | 230/400 V - Three-phase | 0.055 m3 | 11.40 kg |
| Sena 1 HP | 25465 | 12,800 l/h | 1 HP | 230 V - Single-phase | 0.055 m3 | 12.75 kg |
| Sena 1 HP | 25466 | 12,800 l/h | 1 HP | 230/400 V - Three-phase | 0.055 m3 | 13.00 kg |
| Sena 1.25 HP | 25467 | 14,000 l/h | 1.25 HP | 230 V - Single-phase | 0.055 m3 | 13.75 kg |
| Sena 1.25 HP | 25468 | 14,000 l/h | 1.25 HP | 230/400 V - Three-phase | 0.055 m3 | 13.55 kg |
Elements and Components of the Sena Self-Priming Pump
1. Transparent plastic cover for pre-filter, bayonet closure without the need for a key to open.
2. Fittings for water suction and discharge connection, 1.5” for Ø 50 mm sleeve.
3. Pre-filter for water intake, prevents dirt from entering the pump’s discharge system.
4. Bottom plug for easy and effective air purge.
5. Pump base providing great stability during operation.
6. Mechanical seal made of AISI 316 steel and fixed part in Alumina Oxide, highly resistant.
7. Impeller made of Noryl.
8. Motor bearing designed and engineered to perform efficiently at high temperatures.
9. Motor Eurotension Class F insulation. IP-55 providing optimal safety in contact with water.
Sena Self-Priming Pump Value Tables
Sena Pump Performance Curve
Power Absorbed - Flow Curve Sena Pump
Total Efficiency - Flow Curve Sena Pump
Sena Self-Priming Pump Dimensions
| Model | Amm | Bmm | Cmm | Dmm | Emm | Fmm | Gmm | Hmm | Imm |
| 25461 | 472.3 | 191.5 | 290.5 | 50 | 225.5 | 210.5 | 296.7 | 100 | 142 |
| 25462 | 472.3 | 191.5 | 290.5 | 50 | 225.5 | 210.5 | 296.7 | 100 | 142 |
| 25463 | 489 | 208.2 | 290.5 | 50 | 225.5 | 210.5 | 296.7 | 100 | 142 |
| 25464 | 489 | 208.2 | 290.5 | 50 | 225.5 | 210.5 | 296.7 | 100 | 142 |
| 25465 | 489 | 208.2 | 290.5 | 50 | 225.5 | 210.5 | 296.7 | 100 | 142 |
| 25466 | 489 | 208.2 | 290.5 | 50 | 225.5 | 210.5 | 296.7 | 100 | 142 |
| 25467 | 489 | 208.2 | 290.5 | 50 | 225.5 | 210.5 | 296.7 | 100 | 142 |
| 25468 | 489 | 208.2 | 290.5 | 50 | 225.5 | 210.5 | 296.7 | 100 | 142 |
Warranty: 3 years
Further information
| Manufacturer | Astralpool |
|---|---|
| SKU | bomba sena |
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Downloadable Documentation
Shipping costs
| Mainland Spain, Balearic Islands and Portugal | Free |
|---|---|
| Canary Islands, Ceuta and Melilla | €69.90 VAT exempt |
| France | Free delivery |
| Belgium | €39.90 VAT included |
| Netherlands | €39.90 VAT included |
| Portugal | Free (excluding Madeira and the Azores) |
| Italian Peninsula | Free shipping |
| Germany | Free |
| Austria and the Netherlands | €39.90 VAT included |
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