Description
Dosatron D3RE3000BP – Professional Non-Electric Dosing Pump (AF / VF Variants)
The Dosatron D3RE3000BPAFHY is a high-precision proportional dosing pump engineered for automated nutrient and additive delivery. BP stands for bypass as it has a bypass switch which is very useful when you need to configure the EC for individual injectors.
Designed for professional fertigation and hydroponic systems, it maintains perfect consistency across flow rates — no electricity or sensors required. Powered purely by water flow, it’s trusted by commercial growers running Athena systems for accurate nutrient and pH management.
Variant Overview
This model is available in two seal configurations to match the chemical type being dosed:
| Variant | Seal Type | Best For | Example Uses | Compatibility |
|---|---|---|---|---|
| 🟢 VF | Acid-resistant (VF seals) | Acidic or neutral products | Fertilisers, nutrients, pH Down, Athena Cleanse, or a Mono Silic | Most hydroponic feeds and irrigation systems |
| 🔵 AF | Alkaline-resistant (AF seals) | Alkaline or caustic products | pH Up additives such as Athena Balance, alkaline cleaning agents | Systems requiring pH adjustment or alkaline dosing |
Key Features
- Dosing range: 0.03% – 0.3% (0.3 – 3 ml/L)
- Flow range: 10 L/h – 3,000 L/h (0.002 – 3 m³/h)
- Operating pressure: 0.3 – 6 bar (4.3 – 87 PSI)
- Body material: PVDF – high chemical resistance for acids and alkalis
- Seal type: AF (alkaline) or VF (acidic)
- Bypass system (BP) – allows isolation for maintenance or flushing
- Non-electric operation – powered entirely by water flow
- Connection size: ¾″ BSP / NPT
How It Works
The D3RE3000BPAFHY uses water pressure to drive an internal piston, which draws concentrate directly from a nutrient or chemical tank. The concentrate is injected in proportion to water flow, ensuring the same precise mix ratio at all times — even when flow or pressure fluctuates.
Applications
- Hydroponic nutrient dosing and fertigation
- Athena Grow, Bloom, Core, Balance, and Cleanse integration
- pH correction (Up = AF, Down = VF)
- Cleaning, flushing, and sanitising lines
- Industrial water treatment and chemical injection
Technical Specifications
| Model | D3RE3000BPAFHY (AF or VF) |
|---|---|
| Dosing Range | 0.03 % – 0.3 % (0.3 – 3 ml/L) |
| Flow Range | 10 L/h – 3,000 L/h (0.002 – 3 m³/h) |
| Operating Pressure | 0.3 – 6 bar (4.3 – 87 PSI) |
| Max Liquid Temperature | 40 °C |
| Body Material | PVDF (acid and alkaline resistant) |
| Seal Type | AF (alkaline) or VF (acidic) |
| Connection Size | ¾″ BSP / NPT |
Choosing the Right Model
Choose VF for most fertilisers, acidic nutrients, and pH Down solutions, including Athena Grow, Bloom, Core, and Cleanse.
Choose AF for pH Up products like Athena Balance or other alkaline formulas.
Both models share the same dosing precision and flow performance — only the internal seals differ to match your chemical type. The integrated bypass system (BP) makes either unit easy to clean and maintain between cycles.
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