Product Name
Lowara ecocirc XLplus D 50-150 F High-Efficiency Double-Headed Flanged Circulator Pump
General Description
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Brand: Lowara (Xylem Group)
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Model: ecocirc XLplus D 50-150 F
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Pump Type: High-efficiency circulator
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Configuration: Double-headed
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Connection Type: Flanged
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Flange Size: DN 50
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Port-to-Port Length: 280 mm
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Performance Standard: ISO 9906:2012 – Grade 3B
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Reference Fluid: 100% water at 4°C, 1000 kg/m³, 1.57 mm²/s
Electrical Specifications
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Rated Voltage: 230 V
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Frequency: 50 / 60 Hz
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Rated Current: 5.1 A
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Protection Class: IP 44
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Insulation Class: F
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Specific Energy Efficiency Index (EEI): ≤ 0.23
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Nominal Pressure: PN 6/10
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Leakage Current: < 3.5 mA
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Sound Pressure Level: ≤ 60 dB(A)
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Electrical Connection: Terminals
Communication & Interface
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Digital Input: 5V, 10 mA contact load
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Digital Output: Vmax < 250 VAC / Imax < 2 A
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Analog Input: 0–10 V / 4–20 mA
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Communication Protocols: Modbus RTU & BACnet MS/TP
Operating Conditions
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Liquid Temperature Range:
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Heating Pumps: -10°C to +110°C (14°F to 230°F)
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Domestic Hot Water Pumps: -10°C to +85°C (14°F to 185°F)
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Construction Materials
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Pump Housing: Cast Iron
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Impeller: Stainless Steel
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Shaft: Stainless Steel
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Wear Ring: PPS (Polyphenylene Sulfide)
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Bearing Plate: Stainless Steel
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Rotor Can: Stainless Steel
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Motor Housing: Aluminum
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Thrust Bearing: Aluminum
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Bush Bearing: Carbon, resin-impregnated
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Control Box Cover: Polycarbonate
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O-Rings: EPDM
Dimensions (mm)
| Code | Value |
|---|---|
| A1 | 240 |
| A2 | 120 |
| A3 | 70 |
| A4 | 105 |
| A5 | 105 |
| B1 | 396.5 |
| B2 | 308 |
| B3 | 88.5 |
| B4 | 147 |
| B5 | 61 |
| C1 | 227 |
| C2 | 266 |
| C3 | 146 |
| C4 | 494 |
| C5 | 107 |
| D1 | 165 |
| D2 | 50 |
| D3 | 110 / 125 |
| D4 | 4 x 14 / 19 |
| D5 | 99 |
| G | DN 50 |
| L | 280 |
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Gross Weight: 49.8 kg
