Grundfos Hydro Multi‑E 3 CRE 20‑8 U2 A‑A‑I‑I‑DU Booster Set – 99614481
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Grundfos Hydro Multi-E is an energy‑efficient pressure boosting system for clean water, consisting of 3 parallel‑connected, frequency‑controlled CRE 20‑8 multistage centrifugal pumps mounted on a black‑painted mild steel base frame. The unit delivers a maximum flow of 105 m³/h and a maximum head of 128 m. The inlet and outlet manifolds are made of AISI 316 stainless steel with DN 100 connections per DIN2642, and the system includes a diaphragm tank (8 l), isolating valves, non‑return valve, pressure gauges, and two pressure transmitters. Each pump is driven by an IE5 high‑efficiency PM motor (P2 = 11 kW, IP55, 3 x 380‑415 V, 50/60 Hz). The integrated PI controller maintains constant pressure regardless of flow variations and can be operated via the graphical display or Grundfos GO.
Suitable Applications
- Commercial water pressure boosting
- District heating
- District cooling
- Industrial water supply
- Water distribution
- Community water supply
- Rotor & spray irrigation
- Ground water transfer
- Pivot irrigation
- Solar boosting and water supply solutions
- Controls and digital groundwater management
- Solar controls and digital water management
- Solar water treatment fertigation and dosing
- Agriculture solar solutions
- Livestock watering with solar solutions
Key Specifications
Documentation & Downloads
| Product Name | Hydro Multi-E 3 CRE 20-8 U2 A-A-I-I-DU |
| Product Number | 99614481 |
| Pump Type | Booster set with 3 parallel‑connected frequency‑controlled CRE multistage centrifugal pumps |
| Number of Pumps | 3 |
| Rated Flow | 105 m³/h |
| Rated Head | 128 m |
| Pump Name | CRE 20-8 |
| Materials | Pump housing: Cast iron; Manifolds: Stainless steel |
| Maximum Operating Pressure | 25 bar |
| Maximum Permissible Inlet Pressure | PN 16 bar |
| Flange Standard | DIN2642 |
| Manifold Inlet / Outlet | DN 100 / DN 100 |
| Pumped Liquid | Water |
| Liquid Temperature Range | 5 .. 60 °C |
| Selected Liquid Temperature | 20 °C |
| Density | 998.2 kg/m³ |
| Motor Power (P2) | 11 kW |
| Mains Frequency | 50 / 60 Hz |
| Rated Voltage | 3 x 380-415 V |
| Rated Current | 64.6 A |
| IE Efficiency Class | IE5 |
| Start Method | electronically |
| Enclosure Class | IP55 |
| Tank Volume | 8 l |
| Diaphragm Tank | Yes |
| Net / Gross Weight | 507 kg / 536 kg |
| Shipping Volume | 1.44 m³ |
| Language | MULTI |
| Country of Origin | SG |
| Custom Tariff No. | 8413709062 |
| HYDRO MULTI-E (>3.0 kW) (QUICK GUIDE) | Download |
| Hydro Multi-E, CR(I)E (<2.2 kW) (Quick Guide) | Download |
| Hydro Multi-E, CRIE APAC | Download |
| Hydro Multi-E CME | Download |
| HYDRO MULTI-E (Product brochure) | Download |