Description
High-efficient electronically controlled water pump that is built to last for a wide range of applications.
The High-End FlowFriend JUNIOR
Small name. Big deeds.
Don’t be fooled — Junior is no lightweight.
He’s pure power, packed tight.
He turns on.
He keeps going.
Day in, day out. No excuses. No downtime.
Junior. Underestimate him once. Never again.
Ahead of its time this pump is unbeatable in terms of proven performance, efficiency and reliability and don't forget its ultra-low sound profile.
Ingenious mixed flow pump hydraulics makes these pumps able to pump high volumes of water with an average head but with very low power consumption.
Built like a tank, with high-precision, lost-wax cast and machined stainless steel pump components for exceptional durability and performance.
Pumping particles up to 5 mm without clogging goes effortlessly.
This product is sustainable through replaceable parts, allowing for easy repairs and reducing environmental impact.
The perfect choise where reliability is required. FlowFriend - Proven technology with thousands of units already installed worldwide.
The motor controller must be ordered separately due to the various available configurations.
Applications
Industrial Applications
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Cooling Water / Heating HVAC: Water is used extensively in industries for cooling and heating purposes. In HVAC systems, water circulates through heat exchangers to maintain optimal temperatures. Cooling towers often rely on water circulation to dissipate heat.
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Water Supply: Industrial facilities rely on a steady supply of water for their operations, including process cooling, cleaning, and manufacturing.
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Pressure Increase: Water circulation systems are often used to increase pressure for industrial processes, such as in pumps or pressurized systems.
Water Features
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Waterfalls, Streams, Fountains: In landscaping and decorative architecture, water circulation is used to power water features like waterfalls, streams, and fountains. These systems often rely on pumps to circulate water continuously.
Sanitary Water Use
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Sanitary Water Systems: In residential or commercial buildings, water circulation ensures that sanitary water is delivered to faucets, showers, and toilets.
Swimming Pools and swimming Ponds
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Swimming Pools: Water circulation in swimming pools helps maintain cleanliness and temperature. Filtration systems circulate the water through filters to remove debris, and pumps keep the water moving to avoid stagnation.
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Swimming Ponds: Similar to swimming pools, swimming ponds use circulation systems for water quality management. They often incorporate biological filters to maintain the ecosystem.
Aeration
Agriculture
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Water Circulation for Irrigation: In agriculture, water circulation is crucial for irrigation systems. It ensures water reaches plants evenly, whether through drip irrigation, sprinklers, or canals.
Livestock and Zoos
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Water Circulation for Livestock: Livestock require fresh, clean water for hydration and health. Circulation systems help maintain water quality in troughs, tanks, and reservoirs.
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Zoos: In zoo environments, water circulation is often part of habitat design for animals that need aquatic environments, such as fish, amphibians, or aquatic mammals.
Aquaculture
Fish Ponds
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Fishpond Circulation Systems: Maintaining water circulation in fishponds is essential to keep oxygen levels high and remove waste products. Aeration, filtration, and regular water movement are key components of pond management to ensure a healthy environment for fish.
Aquaponics
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Aquaponics is a sustainable agricultural method that combines aquaculture (fish farming) and hydroponics (soil-less plant cultivation) in a closed-loop system. Fish waste provides organic nutrients for plants, while plants naturally filter and purify the water, which is recirculated back to the fish tank. This system conserves water, reduces the need for chemical fertilizers, and allows for the simultaneous production of both crops and fish, making it an efficient and environmentally friendly method of food production.
These systems rely on pumps, filters, and often energy-efficient technology to ensure that water is continuously circulated, ensuring it stays clean, healthy, and properly managed for both industrial and recreational uses. Would you like to dive deeper into any of these specific applications?
Don't hesitate and contact us.
Specification
PUMP
- Make: Stiloh
- Brandname: FlowFriend
- Pumptype: Junior - HFP 70
- Hydraulic: Mixed flow type
- Controller: Controlled by single phase controller - See controller product page
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Bearings: Lifetime greased, lifetime calculated on >100.000h
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Wearing: Hardened in pumpcasing
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Power measurement: Absorbed power included in the controller software
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MEI > 0.7: classed benchmark for the most efficient pumps in the market
MOTOR
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Motor type: Electronically controlled Permanent Magnet Synchronous Motor (PMSM EC) - Sinewave back EMF (Not brushless DC - BLDC)
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P2 motor power: 800W
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Degree of protection: IP67 (submersible dept. max. 1 mtr - max. 30 min.)
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Efficiency index: IE5+
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Magnets: Ferrite magnets - dry running outer rotor.
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Fan: Fan less - no fan noise at all - uncooled
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Voltage: 230V +/- 10% (115V possible with the special 115V controller)
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Frequency: 50 Hz (60Hz with special controller)
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Certification: CE
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Speed: 500-3000 rpm (higher speed on request)
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Bearrings: Heavy duty lifetime grease lubricated
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EMC: Class B (Household, commercial and industrial use)
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Cable: EMC cable, Lapp, PVC, 5 meter
PERFORMANCE
- Capacity: Max. 40 m3/hour - adjustable from 2 - 40 m3/hour
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Head: Max. 5.5 m.w.c. - adjustable from 0.1 - 5.5 m.w.c.
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Speed: adjustable speed 500 - 3000 rpm
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Motor efficiency: 88-94%
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Controller efficiency: >98%
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Hydraulic efficiency: >86%
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Mechanical efficiency: >87%
CONNECTIONS
- Discharge side: G 2 1/2" x L=20mm threaded connection
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Suction side: G 2 1/2" x L=20mm threaded connection
SHAFT SEAL
- Mechancial seal: Eagle Burgmann, MG1, AQ1VGG
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Material stationairy seat: Silicon carbide
- Material rotary seat: Carbon
- Material elastomers: Fluor elastomer (Viton)
- Spring material: 1.4571 - Stainless steel 316 Ti
MATERIALS
- Pump casing: 1.4408 - CF8M - Cast stainless steel 316L
- Pump cover: 1.4408 - CF8M - Cast stainless steel 316L
- Impeller: 1.4408 - CF8M - Cast stainless steel 316L
- Impeller nut: 1.4408 - CF8M - Cast stainless steel 316L
- Wearring: Non replaceable - hardened seat in pump casing
- Elastomers: O-Rings NBR 70 shore, Elastomers mechanical seal Viton
- E-Motor: Aluminium
- Mechanical seal: AQ1VGG
- Impeller key: 1.4571 - Stainless steel 316 Ti
- Extended motorshaft: Stainless steel 1.4122 or 1.4404
TEST
- Hydrostatic test: 1.5 bar / 2 hours
- Performance test: According ISO 9906 - class C
- PMI test: Positive Material Indentification (PMI test)
- Runout test: Runout test pump rotor
- Balancing pump impeller: Quality according DIN ISO 1940-1 Grade G2.5
Features
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Highly efficient: PMSM EC motor and high-tech hydraulics, very high efficiency even on low speeds
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Un- cooled - Fanless: Extreme quietly operation
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Precision casted Stainless steel: Robust, no bending due to tension in the piping
- Easy control: Advanced motor controller compatible with a wide range of external control options.
- Built to last
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Optimized hydraulics: Using state of art CFD (Computed Fluid Design) and scaled model test
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Frost protection: No risk of frost damage due to the use of stainless-steel type 316L
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Low NPSH: Smaller chance of cavitation and pump damage
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Low energy consumption: Savings of up to 85% possible compared to traditional pumps
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Efficient: Highly efficient at both low and high discharge heads and flows
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Dry running rotor technology: Compared to wet-running submerged motors, the dry-running rotor is superior in terms of efficiency and reliability, with no rotor blockages due to scale or solid particles
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Safety: Much safer than a wet runner (canned motor type), a submerged motor can result in motor voltage on the water.
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Impeller wearing seat: Non replaceable hardened seat for consistent performance over time and reduced operation cost
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Available spare parts: Replaceable spare parts
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Low vibration: Almost vibration-free due to high balancing and vibration dampers
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Mechanical seal: High performance shaft sealing with high-end mechanical seal
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Bearings: Heavy duty bearings, sealed and lifetime lubricated > maintenance free
Docs
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Basic pump performance curve | FlowFriend Junior | HFP 70 |
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Detailed performance curve | FlowFriend Junior | HFP 70 |
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NPSHr curve | FlowFriend Junior | HFP 70 |
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Dimension drawing | FlowFriend Junior | HFP 70 |
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Exploded view | Flowfriend Junior | HFP 70
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English | Operation manual | FlowFriend Junior | HFP 70
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Dutch | Operation manual | FlowFriend Junior | HFP 70
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