Grundfos UNILIFT AP & AP Basic Submersible Wastewater Pumps
The Grundfos UNILIFT AP and AP Basic ranges deliver reliable, long-lasting performance for drainage and wastewater applications. Constructed in durable stainless steel, these submersible pumps are suitable for both temporary and permanent installations, offering simple setup, service-friendly design, and optional automatic operation for residential, commercial, and horticultural applications.
As an authorized Grundfos Water Pump Dealer in Dubai, we supply the complete UNILIFT AP range with genuine warranty and technical support across the UAE.
Technical Specifications
| Parameter | Specification |
|---|---|
| Maximum Flow Rate (Q) | 32 m³/h |
| Maximum Head (H) | 17 metres |
| Liquid Temperature | 0°C to +55°C |
| Maximum Particle Size | Ø12 mm |
| Construction Material | Stainless steel |
| Shaft Seal | Mechanical shaft seal |
| Cable | Replaceable |
| Performance Standard | ISO 9906 |
UNILIFT AP Range
AP 12 Models
| Model | Dimensions A (mm) | Dimensions B (mm) | Connection S | Weight (kg) |
|---|---|---|---|---|
| UNILIFT AP 12.40.04.1 | 321 | 216 | RP 1½ | 11.0 |
| UNILIFT AP 12.40.06.1 | 321 | 216 | RP 1½ | 11.0 |
| UNILIFT AP 12.40.08.1 | 321 | 216 | RP 1½ | 12.6 |
| UNILIFT AP 12.50.11.1 | 357 | 241 | RP 2 | 15.1 |
AP 35 & AP 50 Models
| Model | Dimensions A (mm) | Dimensions B (mm) | Connection S | Weight (kg) |
|---|---|---|---|---|
| UNILIFT AP 35.40.06.1.V | 376 | 216 | RP 1½ | 11.4 |
| UNILIFT AP 35.40.08.1.V | 410 | 216 | RP 1½ | 12.7 |
| UNILIFT AP 50.50.08.1.V | 436 | 241 | RP 2 | 15.1 |
| UNILIFT AP 50.50.11.1.V | 436 | 241 | RP 2 | 15.1 |
| UNILIFT AP 50.50.11.3.V | 436 | 241 | RP 2 | 15.6 |
UNILIFT AP Basic Range
AP 35B & AP 50B Models
| Model | Dimensions A (mm) | Dimensions B (mm) | Connection S | Weight (kg) |
|---|---|---|---|---|
| UNILIFT AP 50B.50.08.1.V | 468 | 116 | R2 | 10.1 |
| UNILIFT AP 50B.50.08.3.V | 468 | 116 | R2 | 8.4 |
| UNILIFT AP 50B.50.11.1.V | 468 | 116 | R2 | 10.2 |
| UNILIFT AP 50B.50.11.3.V | 468 | 116 | R2 | 9.7 |
| UNILIFT AP 50B.50.15.3.V | 468 | 116 | R2 | 10.0 |
Performance Data
AP 12 Performance (50 Hz)
| Model | Maximum Head | Maximum Flow |
|---|---|---|
| AP 12.40.04 | ~6m | ~15 m³/h |
| AP 12.40.06 | ~8m | ~18 m³/h |
| AP 12.40.08 | ~10m | ~22 m³/h |
| AP 12.50.11 | ~14m | ~30 m³/h |
AP 35 Performance (50 Hz)
| Model | Maximum Head | Maximum Flow |
|---|---|---|
| AP 35.40.06.V | ~6m | ~16 m³/h |
| AP 35.40.08.V | ~8m | ~18 m³/h |
AP 50 Performance (50 Hz)
| Model | Maximum Head | Maximum Flow |
|---|---|---|
| AP 50.50.08.V | ~6m | ~28 m³/h |
| AP 50.50.11.1.V | ~8m | ~28 m³/h |
| AP 50.50.11.3.V | ~8m | ~28 m³/h |
AP 35B Basic Performance (50 Hz)
| Model | Maximum Head | Maximum Flow |
|---|---|---|
| AP 35B.50.06.1 | ~6m | ~16 m³/h |
| AP 35B.50.06.3 | ~6m | ~16 m³/h |
| AP 35B.50.08.1 | ~10m | ~18 m³/h |
| AP 35B.50.08.3 | ~10m | ~18 m³/h |
AP 50B Basic Performance (50 Hz)
| Model | Maximum Head | Maximum Flow |
|---|---|---|
| AP 50B.50.08.1 | ~8m | ~28 m³/h |
| AP 50B.50.08.3 | ~8m | ~28 m³/h |
| AP 50B.50.11.1 | ~12m | ~28 m³/h |
| AP 50B.50.11.3 | ~12m | ~28 m³/h |
| AP 50B.50.15.3 | ~17m | ~32 m³/h |
UNILIFT AP Key Features
Stainless Steel Construction Durable stainless steel build ensures long service life and corrosion resistance in demanding wastewater environments.
Mechanical Shaft Seal Reliable mechanical seal design provides dependable separation between pumped liquid and motor components.
Replaceable Cable Field-replaceable cable simplifies maintenance and extends pump service life without requiring complete unit replacement.
High Single-Phase Protection Built-in motor protection eliminates the need for additional external motor protection devices, reducing installation complexity and cost.
Semi-Open or Vortex Impeller Impeller options accommodate different application requirements—semi-open for clean water, vortex for solids-laden liquids.
Stainless Steel Cooling Sleeve The AP range features a stainless steel sleeve for motor cooling during operation, enabling non-submerged installation.
Clip-On Strainer Removable strainer prevents large particles from entering the pump, protecting hydraulics while allowing easy cleaning.
Handy and Easy to Transport Compact design with integrated carrying handles facilitates portable use and simple positioning.
UNILIFT AP Basic Key Features
Stainless Steel Construction Same durable stainless steel build as the standard AP range for reliable performance.
Mechanical Shaft Seal Proven seal technology for extended service life.
Replaceable Cable Easy cable replacement for simplified maintenance.
Thermal Overload Protection Built-in thermal protection safeguards the motor against overheating conditions.
Auto-Coupling Compatible AP Basic pumps support installation on auto-coupling systems for permanent applications with easy service access.
Submerged Operation Designed without cooling sleeve for fully submerged operation in sump pits.
Clip-On Base Plate Removable base plate prevents large particles from entering while providing stable positioning.
Installation Options
Temporary Freestanding All UNILIFT AP and AP Basic pumps can be used as portable units for temporary dewatering, flood response, or construction site applications.
Permanent Freestanding Suitable for permanent installation in drainage sumps, basement pits, and collection tanks.
Auto-Coupling (AP Basic) The AP Basic range supports installation on auto-coupling systems, enabling pump removal for service without entering the wet well.
Plug Options All pumps available with or without electrical plug to suit specific installation requirements.
Applications
Rainwater & Drainage
- Rainwater collection and removal
- Drainage water from basements and cellars
- Flood water evacuation
- Surface water management
Pool Water
- Swimming pool draining
- Pool maintenance water removal
- Pond and water feature drainage
Domestic Effluent
- Shower and bath wastewater
- Washing machine discharge
- Sink drainage below sewer level
- Grey water systems
Horticulture
- Greenhouse water management
- Irrigation system drainage
- Nursery wastewater handling
- Rainwater harvesting systems
Benefits
- Permanent & Portable Installation – Flexible deployment for temporary or fixed applications
- Simple Installation – Straightforward setup without specialized equipment
- Service Friendly – Accessible components and replaceable cable for easy maintenance
- Optional Automatic Operation – Level-controlled operation available for unattended applications
Choosing Between AP and AP Basic
| Feature | UNILIFT AP | UNILIFT AP Basic |
|---|---|---|
| Cooling Method | Stainless steel sleeve | Submerged operation |
| Motor Protection | High single-phase (no external needed) | Thermal overload |
| Auto-Coupling | No | Yes |
| Installation | Freestanding only | Freestanding or auto-coupling |
| Best For | Portable/temporary use | Permanent pit installations |
Genuine Grundfos Accessories & Parts
Maintain optimal UNILIFT AP pump performance with original components including mechanical seals, impellers, cables, strainers, base plates, and auto-coupling accessories. We stock replacement parts for all UNILIFT AP and AP Basic series models.
Select Grundfos Pumps
Browse our complete inventory of Grundfos UNILIFT AP and AP Basic submersible wastewater pumps. As Grundfos Pump Suppliers in Dubai, we provide competitive pricing, technical consultation, and prompt delivery across Dubai, Sharjah, Abu Dhabi, Ajman, and all UAE locations.