ESPA Acuaria 07N Submersible Pump
Integral, multi-stage, submersible, centrifugal electric pumps for wells from 5” or open wells.
These have been designed for supplying clean water to homes, small farms, sprinkler irrigation systems and pressurisation equipment.
All parts in contact with water are made of AISI 304 stainless steel, except for the spray nozzles, which are made of thermoplastic. The selected materials guarantee proven reliability and durability with drinking water. The motor is manufactured such as to allow effective cooling in the whole range of pumping flows, thanks to its double inner jacket and the special way the top sealing body and the double mechanical closure are achieved.
The compact design of the pump allows effective cooling of the motor even when installed in open wells, tanks or ponds; it has also been designed so that its suction via the bottom enables better exhaustion of the suction tank.
In drilling installations it allows the exploited dynamic level to be increased.
Electric features:
| Single-phase models | Three-phase models | Intensity [A] | Input power P1 [kW] | Motor power P2 | Condenser capacity [µF] | ||||
|---|---|---|---|---|---|---|---|---|---|
| 50 Hz | 50 Hz | 1~ 230V | 1~ 220V | 3~ 400V | 1~ | 3~ | [kW] | [HP] | 1~ |
| 2,90 | 0,65 | 0,50 | 0,67 | 12µF 450V | |||||
| 4,00 | 1,50 | 0,90 | 0,80 | 12µF 450V | |||||
| 4,70 | 2,20 | 1,00 | 1,00 | 12µF 450V | |||||
| 6,20 | 2,20 | 1,20 | 1,10 | 6+6µF 450V | |||||
| 5,50 | 2,40 | 1,30 | 1,30 | 30µF-450V | |||||
Hydraulic features:
| Single-phase models | Three-phase models | Flow [m³/h] | 0,0 | 0,4 | 0,7 | 1,1 | 1,4 | 1,8 | 2,2 | 2,5 | 2,9 | 3,2 | 3,6 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Height [m] |
34,0 | 33,3 | 32,2 | 30,8 | 28,9 | 26,8 | 24,2 | 21,3 | 18,0 | 14,3 | 10,2 | ||
| 43,2 | 41,8 | 40,0 | 37,8 | 35,2 | 32,1 | 28,6 | 24,6 | 20,3 | 15,5 | 10,2 | |||
| 54,1 | 51,8 | 49,1 | 45,9 | 42,3 | 38,2 | 33,8 | 28,8 | 23,5 | 17,6 | 11,4 | |||
| 69,0 | 66,2 | 62,9 | 59,0 | 54,5 | 49,5 | 43,9 | 37,7 | 31,0 | 23,8 | 15,9 | |||
| 82,7 | 79,4 | 75,4 | 70,8 | 65,6 | 59,7 | 53,2 | 46,0 | 38,1 | 29,6 | 20,5 |
Equipment
- Check valve: No
- Draining plug: No
- Fittings: Not included
- Pre-filter: Included
Electrical characteristics
- Electrical isolation: F Class
- Motor speed operation: Constantly speed
- Motor type: Asynchronous
- Protection rating: IP68
- Reset: Automatic
- Service factor: S1
- Service type: Continuous
- Manufacturing characteristics
- Discharge connection type: Nut
- Discharge diameter: 1″ G
- Impeller type: Closed
- Minimum well diameter: 5″
- Motor cooling: Water
- Solid passage (mm): 2
- Stages: Multi stage centrifugal pump
- Tightness by: Double Mechanical Seal
Materials
- Diffuser: PPO + 30% GF
- Discharge body: Stainless steel AISI 304
- Gaskets: NBR
- Impeller/s: Stainless steel AISI 304
- Mechanical seal: Aluminium- Graphite/ Graphite- Steatite
- Mechanical seal bracket: PPO + 30% GF
- Motor casing: Stainless steel AISI 304
- Motor shaft: F114
- Nuts and bolts: Stainless steel AISI 304
- Other components: Impeller, Shaft, Pump Housing
- Outer pump body: Stainless steel AISI 304
- Pre-filter: Stainless steel AISI 304
- Pump shaft: AISI 431
- Suction body: Stainless steel AISI 304
Usage limits
- Liquid temperature (ºC): Min: 4 – Max: 35
- Maximum no. of motor start-ups (start-ups/minute): 0,50
- Maximum submersion (m): 25
- Maximum working pressure (bar): 12
