Pedrollo VX Submersible Pumps
The Go-To Pump for Demanding Conditions and Performance Requirements
Applications
- Sewage ?
- Domestic use ?
- Civil use ?️
- Industrial use ?
Performance Range
- Flow rate up to 750 l/min (45 m³/h)
- Head up to 15.5 m
Installation and Use
VX pumps are renowned for their reliability, especially in automated fixed installations. They are ideal for domestic, civil, and industrial settings, efficiently handling suspended solids up to 50 mm in diameter, including in groundwater, surface water, and sewage. They are also perfect for pumping out flooded areas like basements, underground parking garages, car wash stations, and emptying septic tanks and sewage systems.
The VORTEX impeller can handle solids up to 50 mm in diameter. Its unique design ensures safe operation against clogging.
Includes
- Power cable length: 5 m for VX 8 and VX 10, 10 m for VX 15 and VX 20
- Float switch (exclusive to single-phase models)
Application Limits
- Depth below water level up to 5 m (with an appropriately sized power cable)
- Liquid temperature up to +40 °C
- Suspended solids transfer: up to Ø 40 mm for VX/35, up to Ø 50 mm for VX/50
- Minimum immersion for continuous service: 290 mm for VX 8 and VX 10, 330 mm for VX 15, 360 mm for VX 20
Available Upon Request
- Pumps with 10 m power cable for VX 8 and VX 10
- Different voltage requirements
- 60 Hz frequency
Patents - Trade Marks - Models
- Patent No. EP2313658
- Patent No. IT0001428923
Performance Curves and Data (50 Hz)
The performance curves illustrate the relationship between Head (H) in meters and Flow Rate (Q) in liters per minute (l/min) and cubic meters per hour (m³/h) for various VX models. The tables below provide specific performance data points.
VX/35 Series Performance Data
| TYPE | POWER (P2) | Flow Rate Q (l/min) | Head H (metres) | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| kW | HP | 0 | 50 | 100 | 200 | 300 | 350 | 400 | 450 | 500 | 550 | 600 | ||||||||||||||
| VXm 8/35 / VX 8/35 | 0.55 | 0.75 | 9 | 8 | 7.5 | 5.5 | 2.7 | 1 | - | - | - | - | - | |||||||||||||
| VXm 10/35 / VX 10/35 | 0.75 | 1 | 11 | 10 | 9.5 | 8 | 5.7 | 4 | 2 | - | - | - | - | |||||||||||||
| VXm 15/35 / VX 15/35 | 1.1 | 1.5 | 14 | 13.5 | 12.8 | 11.2 | 9 | 7.7 | 6 | 4 | 2 | - | - | |||||||||||||
| VXm 20/35 / VX 20/35 | 1.5 | 2 | 15.5 | 15 | 14.5 | 13 | 11.5 | 10.3 | 9 | 7.5 | 5.8 | 3.8 | 1.5 | |||||||||||||
VX/50 Series Performance Data
| TYPE | POWER (P2) | Flow Rate Q (l/min) | Head H (metres) | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| kW | HP | 0 | 50 | 100 | 200 | 300 | 400 | 450 | 500 | 550 | 600 | 650 | 750 | |||||||||||||||
| VXm 8/50 / VX 8/50 | 0.55 | 0.75 | 6.5 | 6 | 5.8 | 5 | 4 | 2.5 | 1.5 | - | - | - | - | - | ||||||||||||||
| VXm 10/50 / VX 10/50 | 0.75 | 1 | 9 | 8.5 | 8.2 | 7.5 | 6.5 | 5 | 3.8 | 2.5 | 1.5 | - | - | - | ||||||||||||||
| VXm 15/50 / VX 15/50 | 1.1 | 1.5 | 11.5 | 11 | 10.5 | 9.8 | 8.7 | 7.5 | 6.5 | 5.5 | 4.5 | 3.5 | 2 | - | ||||||||||||||
| VXm 20/50 / VX 20/50 | 1.5 | 2 | 13.5 | 13 | 12.5 | 11.5 | 10.7 | 9.5 | 9 | 8 | 7.5 | 6.5 | 5 | 2.5 | ||||||||||||||
Performance curves comply with EN ISO 9906 Grade 3B tolerance limits.
Technical Data
Absorption
| TYPE | VOLTAGE | TYPE | VOLTAGE |
|---|---|---|---|
| Single-phase VXm 8/35 | 230 V | Three-phase VX 8/35 | 400 V |
| Single-phase VXm 10/35 | 230 V | Three-phase VX 10/35 | 400 V |
| Single-phase VXm 15/35 | 230 V | Three-phase VX 15/35 | 400 V |
| Single-phase VXm 20/35 | 230 V | Three-phase VX 20/35 | 400 V |
| Single-phase VXm 8/50 | 230 V | Three-phase VX 8/50 | 400 V |
| Single-phase VXm 10/50 | 230 V | Three-phase VX 10/50 | 400 V |
| Single-phase VXm 15/50 | 230 V | Three-phase VX 15/50 | 400 V |
| Single-phase VXm 20/50 | 230 V | Three-phase VX 20/50 | 400 V |
| TYPE | Absorption (A) | TYPE | Absorption (A) |
|---|---|---|---|
| VXm 8/35 | 4.3 A | VX 8/35 | 1.6 A |
| VXm 10/35 | 5.5 A | VX 10/35 | 2.2 A |
| VXm 15/35 | 7.0 A | VX 15/35 | 2.7 A |
| VXm 20/35 | 9.6 A | VX 20/35 | 3.7 A |
| VXm 8/50 | 4.3 A | VX 8/50 | 1.6 A |
| VXm 10/50 | 5.5 A | VX 10/50 | 2.2 A |
| VXm 15/50 | 7.0 A | VX 15/50 | 2.7 A |
| VXm 20/50 | 9.6 A | VX 20/50 | 3.7 A |
Dimensions and Weight
The diagram shows the pump with dimensions labeled a, b, c, d, e, f, h, h1, and p. A typical installation diagram shows the pump submerged in a pit, connected to inlet and outlet piping.
| TYPE | PORT | Passage of solid bodies | DIMENSIONS mm | kg | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DN | a | b | c | f | h | h1 | d | e | p | 1~ | 3~ | ||
| VXm 8/35 / VX 8/35 | 1½" | Ø 40 mm | 115 | 95 | 148 | 200 | 158 | 55 | 425 | 13.7 | 12.6 | 15.2 | 14.0 |
| VXm 10/35 / VX 10/35 | 440 | 18.0 | 16.4 | ||||||||||
| VXm 15/35 / VX 15/35 | 473 | 20.2 | 18.0 | ||||||||||
| VXm 20/35 / VX 20/35 | 503 | ||||||||||||
| VXm 8/50 / VX 8/50 | 2" | Ø 50 mm | 115 | 95 | 155 | 200 | 169 | 60 | 436 | 14.2 | 13.1 | 15.7 | 14.5 |
| VXm 10/50 / VX 10/50 | 451 | 18.5 | 16.9 | ||||||||||
| VXm 15/50 / VX 15/50 | 484 | ||||||||||||
| VXm 20/50 / VX 20/50 | 514 | 20.7 | 18.5 | ||||||||||
Pallet Capacity
| TYPE | NO. OF PUMPS |
|---|---|
| Single-phase VXm 8/35 / Three-phase VX 8/35 | 45 |
| Single-phase VXm 10/35 / Three-phase VX 10/35 | 45 |
| Single-phase VXm 15/35 / Three-phase VX 15/35 | 30 |
| Single-phase VXm 20/35 / Three-phase VX 20/35 | 30 |
| Single-phase VXm 8/50 / Three-phase VX 8/50 | 45 |
| Single-phase VXm 10/50 / Three-phase VX 10/50 | 45 |
| Single-phase VXm 15/50 / Three-phase VX 15/50 | 30 |
| Single-phase VXm 20/50 / Three-phase VX 20/50 | 30 |
Materials and Components
The following table details the materials and components of the VX submersible pumps. An exploded view diagram shows the numbered parts.
| Item | Component | Description |
|---|---|---|
| 1 | Pump body | Cast iron with cataphoresis treatment for greater corrosion resistance with ISO 228/1 threaded port. |
| 2 | Base | Stainless steel AISI 304. |
| 3 | Impeller | VORTEX type in AISI 304 stainless steel. |
| 4 | Motor sleeve | Stainless steel AISI 304. |
| 5 | Motor cover | AISI 304 stainless steel for VX 8-10. Cast iron with cataphoresis treatment for VX 15-20. |
| 6 | Motor shaft | Stainless steel AISI 431. |
| 7 | Double mechanical seal in oil chamber | Seal: MG1-14D SIC. Shaft: Ø 14 mm. Location: Motor side, Pump side. Materials: Silicon carbide / Graphite / NBR (Motor side), Silicon carbide/Silicon carbide/NBR (Pump side). |
| 8 | Capacitor | Exclusive to single-phase models. |
| 9 | Electric motor | VXm: single-phase 230 V - 50 Hz with winding integrated thermal motor protection. VX: three-phase 400 V - 50 Hz. Insulation: class F. Protection rating: IP X8. |
| 10 | Power cord | Power cable encapsulated with epoxy resin both in the grommet area and where the conductors exit the sheath, for absolute insulation against moisture and water. Type 'H07 RN-F (Schuko plug exclusive to single-phase models). Standard length 5 metres (10 metres for VX 15 and VX 20). |
| 11 | Float switch | Exclusive to single-phase models. |
| 12 | Tilting device for the float cable | Exclusive to single-phase models. Patent No. IT0001428923. |
| 13 | Power cable strain relief | Patent No. EP2313658. |
