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Description
This vertical multistage centrifugal pump is designed for tank top mounting and is used for pumping cooling lubricants and cutting oils in machine tools, as well as condensate transfer and similar applications.
Specifications
| Manufacturer | Grundfos |
|---|---|
| Part Number | 3ADQ4771 |
| Pump speed on which pump data are based | 3500 rpm |
| Rated flow | 11.9 US gpm |
| Rated head | 144.4 ft |
| Stages | 23 |
| Impellers | 11 |
| Code for shaft seal | AUUV |
| Approvals | CE |
| Approvals for motor | CE,EAC,UKCA,SEPRO,RCM,cURus/cCSAus,Morocco |
| Energy approvals for motor | CE,CC |
| Curve tolerance | ISO9906:2012 3B |
| Pump version | A |
| Cooling | TEFC |
| Drain holes | Open drain hole |
| Pump housing | Cast iron, EN 1561 EN-GJL-200, ASTM A48-25B |
| Impeller | Stainless steel, DIN W.-Nr. 1.4301, AISI 304 |
| Material code | A |
| Range of ambient temperature | -22 .. 140 °F |
| Max pressure at stated temperature | 363 psi / 194 °F |
| Pipe connection | NPT 1 1/4 |
| Flange size for motor | 56C |
| Connect code | WB |
| Pumped liquid | Emulsion |
| Selected liquid temperature | 68 °F |
| Density | 62.29 lb/ft³ |
| Motor type | 71BB |
| Rated power - P2 | 1 HP |
| KVA code | J |
| Main frequency | 60 Hz |
| Rated voltage | 3 x 208-230YY/460Y V |
| Service factor | 1.25 |
| Rated current | 3,25-3,35/1,68 A |
| Maximum current consumption | 3,60-3,70/1,85 A |
| Starting current | 590-650 % |
| Full load SF current | 4,0-3,9/1,95 A |
| Cos phi - power factor | 0.81-0.72 |
| Rated speed | 3430-3460 rpm |
| Motor efficiency at full load | 77.0 % |
| Motor efficiency at 3/4 load | 81.0-80.0 % |
| Motor efficiency at 1/2 load | 78.5-76.0 % |
| Number of poles | 2 |
| Enclosure class (IEC 34-5) | 55 Dust/Jetting |
| Insulation class (IEC 85) | F |
| Built-in motor protection | NONE |
| Thermal protec | external |
| Net weight | 41 lb |
| Gross weight | 46.7 lb |