Grundfos CR 20-3 A-F-A-E-HQQE 93389303, 5715471875143 Inline multi stage pumps
- Rated flow: 21 m³/h
- Rated head: 34.6 m
- Maximum operating pressure: 16 bar
- IE Efficiency class: IE4
- Rated power - P2: 4 kW
- Rated voltage: 3 x 380-400D/660-690Y V
- Mains frequency: 50 Hz
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Grundfos CR 20-3 A-F-A-E-HQQE 93389303 Inline multi stage pumps
Product code: 93389303
EAN Number: 5715471875143
Vertical, multistage centrifugal pump with inlet and outlet ports on same the level (inline). The pump head and base are in cast iron – all other wetted parts are in stainless steel. A cartridge shaft seal ensures high reliability, safe handling, and easy access and service. Power transmission is via a rigid split coupling. Pipe connection is via DIN flanges. The pump is fitted with a 3-phase, fan-cooled asynchronous motor.
| General | EAN number | 5715471875143 |
| Product No | 93389303 | |
| Material | BASE_MATR_QLTY_ASTM | ASTM A48-25B |
| BASE_MATR_QLTY_EN | EN 1561 EN-GJL-200 | |
| Base | Cast iron | |
| Bearing | SIC | |
| Code Material | A | |
| Code for rubber | E | |
| Elastomere GLRD | E | |
| IMPELLER_MATR_QLTY_EN | EN 1.4301 | |
| IMPELLER_MATR_QUALITY_ASTM | AISI 304 | |
| Impeller | Stainless steel | |
| Material code | A | |
| Pump | Approvals | CE,EAC,UKCA,SEPRO |
| Approvals for drinking water | WRAS,ACS | |
| Code Ausführung | A | |
| Code for shaft seal | HQQE | |
| Curve tolerance | ISO9906:2012 3B | |
| Impellers | 3 | |
| Low NPSH | N | |
| Maximum head | 43.9 m | |
| Model | A | |
| Number of reduced-diameter impellers | 0 | |
| Primary shaft seal | HQQE | |
| Pump orientation | Vertical | |
| Pump speed on which pump data are based | 2917 1/min | |
| Pump version | A | |
| Rated flow | 21 m³/h | |
| Rated head | 34.6 m | |
| Shaft seal arrangement | Single | |
| Stages | 3 | |
| Connect | COMB_MAX_PRESS_LOW_TEMP | 16 bar / -20 °C |
| Code Anschl. Art | F | |
| Connect code | F | |
| Flange size for motor | FT130 | |
| Max pressure at stated temp | 16 bar / 120 °C | |
| Maximum ambient temperature | 60 °C | |
| Maximum operating pressure | 16 bar | |
| Pressure rating for connection | PN 25 | |
| Size of inlet connection | DN 50 | |
| Size of outlet connection | DN 50 | |
| Type of connection | DIN | |
| Control | Frequency converter | None |
| Motor | Built-in motor protection | PTC |
| Cos phi - power factor | 0.90-0.88 | |
| Enclosure class (IEC 34-5) | 55 Dust/Jetting | |
| IE Efficiency class | IE4 | |
| Insulation class (IEC 85) | F | |
| Mains frequency | 50 Hz | |
| Motor No | 93127720 | |
| Motor efficiency at 1/2 load | 89.2-88.6 % | |
| Motor efficiency at 3/4 load | 90.2-90.1 % | |
| Motor efficiency at full load | 90.0 % | |
| Motor standard | IEC | |
| Motor type | 112MD | |
| Number of poles | 2 | |
| Power (P2) required by pump | 4 kW | |
| Rated current | 7.80/4.50 A | |
| Rated power - P2 | 4 kW | |
| Rated speed | 2930-2940 1/min | |
| Rated voltage | 3 x 380-400D/660-690Y V | |
| Starting current | 1130-1190 % | |
| Medium | Density | 998.2 kg/m³ |
| Liquid temperature range | -20 .. 120 °C | |
| Selected liquid temperature | 20 °C | |
| Other | Gross weight | 96 kg |
| Herkunftsland | ||
| Minimum efficiency index, MEI ≥ | 0.70 | |
| Net weight | 74 kg | |
| Shipping volume | 0.234 m³ | |
| Terminal box position | 6 | |
| Zolltarif Nr. | 84137075 |