Discover Grundfos water pump models, learn about their benefits, technical details, main applications, controls, arrangement tips, and let Liberty Supply help you choose the ideal Grundfos pump today.
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UPS50-80/4 wet-rotor, cast iron circulator pump with 2" flanged connection and a 3/4 HP, 460v, three phase, 3-speed motor for hydronic heating and cooling in closed loop systems. It has a flow range of 20-180 GPM and a head range of 1-62 feet. Flange gaskets are included, but flanges are sold separately. Grundfos UPS Series pumps feature a 3-speed motor, which allow the user to adjust the pump speed to fit their specific application. Ceramic bearings ensure years of quiet, trouble-free operation and quick connect terminals provide easy installation.
| Manufacturer | Grundfos |
|---|---|
| Part Number | 96404961 |
| Model | UPS50-80/4 |
| Speed Number | 2 |
| Maximum head | 26.25 ft |
| Approvals | CCSAUS |
| Pump housing | Cast iron, EN 1561 EN-GJL-250, ASTM 35 B - 40 B |
| Impeller | Stainless steel, EN 1.4301, AISI 304 |
| Range of ambient temperature | 32 .. 104 °F |
| Maximum operating pressure | 145.04 psi |
| Type of connection | DIN |
| Pipe connection | GF 50 |
| Pressure rating for connection | PN 10 |
| Port-to-port length | 11 1/2 in |
| Connect code | F |
| Pumped liquid | Water |
| Liquid temperature range | 14 .. 248 °F |
| Selected liquid temperature | 140 °F |
| Density | 61.35 lb/ft³ |
| Power input in speed 2 | 450 W |
| Max. power input | 640 W |
| Main frequency | 60 Hz |
| Rated voltage | 3 x 460 V |
| Current in speed 2 | 0.72 A |
| Current in speed 3 | 1.22 A |
| Cos phi in speed 2 | 0.78 |
| Cos phi | 0.66 |
| Number of poles | 4 |
| Enclosure class (IEC 34-5) | X4D |
| Insulation class (IEC 85) | H |
| Built-in motor protection | CONTACT |
| Thermal protec | external |
| Winding resistance | 79.0 - 104.0 ohm |
| Relay | without relay |
| Terminal box position | 1.30H |
| Net weight | 55.8 lb |
| Gross weight | 60.9 lb |
| Shipping volume | 3.46 ft³ |
Discover Grundfos water pump models, learn about their benefits, technical details, main applications, controls, arrangement tips, and let Liberty Supply help you choose the ideal Grundfos pump today.
Grundfos circulator pumps are a trusted choice for water systems. With proper setup and routine care, these pumps deliver quiet operation and optimized energy use. This guide highlights key checks ...
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