Horizontal Multistage Pumps
Close-coupled, horizontal-shaft, multistage self-priming centrifugal pumps. After initial filling they draw water automatically and quickly from depths of up to 8 metres; suction and discharge nozzles have female threaded connections. Available with single-phase (230 V) and three-phase (400 V) motors.
Thanks to their compact horizontal multistage design, they are a quiet and economical solution for garden and agricultural irrigation, rainwater use, washing plants and water supply in homes and small businesses. Cast iron or stainless steel casing options make them suitable for clean water.
Main Applications
- Sprinkler irrigation systems
- General irrigation systems
- Rainwater harvesting and utilisation systems
- Washing plants
- Water supply and booster set systems
Technical Data
| Max. flow rate | 8 m³/h |
|---|---|
| Min. flow rate | 0.1 m³/h |
| Max. head | 54 m |
| Min. head | 2 m |
| Max. operating pressure | 10 bar |
| Discharge nominal pressure | PN 10 |
| Fluid temperature | +5 °C … +50 °C |
| Motor power | 0.37 – 0.75 kW (2-pole) |
| Motor efficiency class | IE2 / IE3 |
| Mains frequency | 50 Hz |
| Mains voltage | 230 V (single-phase) / 400 V (three-phase) |
| Connection | Female thread |
| Suction type | Self-priming |
Material Options
| Component | Material options |
|---|---|
| Casing | Grey cast iron EN-GJL-250 or stainless steel 1.4571 (AISI 316Ti) |
| Impeller | Stainless steel, cast iron or bronze |
| Sealing | Maintenance-free mechanical seal |
Which material? A cast iron casing is the economical choice for irrigation and general clean water applications; for drinking water, rainwater and environments with a high risk of corrosion, a stainless steel casing and stainless steel impeller are recommended.
Advantages
Self-Priming
- After initial filling, draws water automatically and quickly from depths of up to 8 metres.
- Operates from wells, storage tanks or rainwater tanks without additional priming equipment.
Economical Operation
- Around 40% higher efficiency and lower energy consumption than comparable jet pumps.
- Supports the sustainable use of resources.
Low Noise Level
- Noticeably quieter operation than comparable jet pumps.
- Well suited to homes, gardens and other noise-sensitive environments.
Easy Handling
- Easily accessible priming and drain plugs for quick installation.
- The pump can be drained and shut down easily when there is a risk of frost.
Efficient Motor
- IE2 efficiency class motors; IE3 on 0.75 kW three-phase versions.
- Single-phase and three-phase motor options.
Design and Construction Features
- Multistage, self-priming hydraulic design
- Close-coupled (monoblock) pump–motor design
- Female threaded suction and discharge connections
- Easily accessible priming and drain plugs
- Maintenance-free mechanical seal
- 2-pole asynchronous motor; single-phase 230 V or three-phase 400 V
- Motor ambient conditions: -20 °C … +40 °C, up to 1000 m altitude
To choose the right model, send us your required flow rate, head, suction lift and power supply via the Request a Quote form; our technical team will specify the most suitable pump.
How to Choose
- Determine the flow rateCalculate the total water demand (m³/h) from the number of taps, sprinklers or lines used at the same time.
- Calculate head and suction liftAdd static height, pipe friction losses and the required outlet pressure; the water level must be no more than 8 m below the pump.
- Select the power supplyA single-phase 230 V motor for home and garden use, a three-phase 400 V motor for businesses.
- Select the casing materialCast iron for general clean water; stainless steel for drinking water and corrosive environments.
Complementary Products
Why ORFA?
Other Pumps and Systems
Vertical Multistage Pumps
Vertical multistage pumps deliver high pressure with minimal floor space. They circulate and boost fluids across high-rise buildings, water treatment facilities, and industrial systems.
Details →
Centrifugal Pumps
Centrifugal pumps , operating on the principle of centrifugal force, are the most widely used mechanical systems in industry for transferring liquids from one point to another with high efficiency.
Details →
Stainless Steel Centrifugal Pumps
Stainless steel centrifugal pumps are high-performance systems that reliably ensure fluid transfer in industrial processes where corrosion resistance and hygiene standards are critical.
Details →
Monoblock Centrifugal Pumps
Monoblock centrifugal pumps are compact fluid transfer systems where the pump shaft and motor shaft are combined in a single housing, requiring no coupling alignment and offering high efficiency in…
Details →
Stainless Steel Monoblock Pumps
Stainless steel monoblock pumps are advanced liquid transfer systems that feature a compact design and high corrosion resistance, where the motor shaft and pump shaft are integrated as a single piece.
Details →
Open Impeller Cast Iron Pumps
Open impeller cast iron pumps are heavy-duty systems designed for the transfer of water containing solid particles, sediment, or fibrous materials without clogging.
Details →
Open Impeller Stainless Steel Pumps
Open impeller stainless steel pumps are high corrosion-resistant industrial systems designed for transferring liquids containing solid particles or fibrous materials without the risk of clogging.
Details →
Centrifugal Pumps (Threaded)
Centrifugal pumps are mechanical systems that operate on the principle of centrifugal force, offering the highest efficiency in industrial liquid transfer processes.
Details →
Stainless Steel Centrifugal Pumps (Threaded)
Stainless steel centrifugal pumps are industrial solutions distinguished by their compact threaded connection structure and superior material quality, ideal for fluid transfer processes requiring…
Details →
Peripheral Pumps
Peripheral pumps are economical pumping solutions designed to achieve high pressure with low motor power, particularly preferred in small-scale water pressurization and booster systems.
Details →
Jet Pumps
Jet pumps are self-priming systems that, thanks to their built-in venturi system, can draw water from deep wells and deliver high vacuum performance even with aerated fluids.
Details →
Booster Sets & Hydrophores
Booster sets and hydrophores maintain ideal water pressure for every application. They ensure steady flow in modern buildings, factories, and agricultural fields.
Details →
Submersible Pumps
Submersible Pumps are highly efficient pumping systems designed with the motor attached to the body, operating fully submerged in the fluid to be pumped.
Details →
Acid and Chemical Pumps
Acid and Chemical Pumps are equipment designed for the safe transfer of corrosive, aggressive, and hazardous liquids.
Details →
Circulation Pumps
In the Circulation Pumps category we offer ideal solutions for your heating and cooling systems. Quiet operation and high efficiency come first.
Details →
Pool and Spa Pumps
Pool and Spa Pumps are high-performance circulation devices that enable water to be cleaned by passing through the filtration system and form the heart of pool circulation.
Details →
Gasoline Water Pumps (Motopumps)
The Gasoline Water Pumps (Motopump) category includes the Honda, Yamaha and Stark brands. Two-stroke and four-stroke models offer high flow and portability.
Details →
Solenoid Pumps (Vibration Pump)
Solenoid pumps are compact and precise industrial equipment that enable fluid transfer through the forward-backward motion (vibration) of a piston by generating an electromagnetic field.
Details →
Low Voltage Pumps (12V – 24V DC)
Low voltage pumps are systems that operate on 12V and 24V DC power, used in areas where mains electricity is unavailable or low voltage is required for safety reasons.
Details →
Pump Accessories and Spare Parts
The Pump Accessories and Spare Parts category holds components that raise system efficiency. Critical parts such as mechanical seals, couplings and pressure gauges ship from stock.
Details →Get a quote for your project
Our sales team will prepare the best solution for your needs.