Brochure & Specifications UPS 43-44 BFCGrundfos UPS B circulator pumps have a bronze pump housing for drinking water applications while Grundfos UP N have a stainless-steel pump housing. Both variants are recommended for underfloor heating systems as the pumped liquid may often become aerated, causing corrosion in cast iron pump housings. The pump is of the canned rotor type, i.e. pump and motor form an integral unit without shaft seal and with only two gaskets for sealing. The bearings are lubricated by the pumped liquid. The pump is characterized by:
- Ceramic shaft and radial bearings.
- Carbon axial bearing.
- Stainless steel rotor can and bearing plate.
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| Product name |
UPS 43-44 BFC |
| Product No. |
52722521 |
| EAN |
5700834891069 |
Technical
| Speed Number |
3 |
| Max flow |
63 US gpm |
|
63 US gpm |
| Head max |
14.11 ft |
|
14.11 ft |
| Approvals on nameplate |
UL, CSA |
| Valve |
pump with built-in isolating and non-return valves |
Materials
| Pump housing |
Bronze |
|
DIN W.-Nr. 2.1176.01 |
| Impeller |
Composite, PES |
Installation
| t max amb |
104 °F |
| Ambient max at 176°F liquid |
176 °F |
| Maximum operating pressure |
145.04 psi |
| Flange standard |
USA Oval |
| Type of connection |
Bronze Flange |
| Pipe connection |
2 - Bolt Flange |
| Pressure stage |
PN 10 |
| Port-to-port length |
8 1/2 in |
Liquid
| Pumped liquid |
Water |
| Liquid temperature range |
35.6 .. 230 °F |
| Selected liquid temperature |
140 °F |
| Density |
61.35 lb/ft³ |
Electrical data
| Power input in speed 1 |
0.2105 HP |
| Power input in speed 2 |
190 W |
| Max. power input |
203 W |
| Main frequency |
60 Hz |
| Rated voltage |
1 x 230 V |
| Current in speed 1 |
0.7 A |
| Current in speed 2 |
0.8 A |
| Current in speed 3 |
0.9 A |
| Capacitor size - run |
5 µF/400 V |
| Number of poles |
2 |
| Insulation class (IEC 85) |
F |
| Built-in motor protection |
CONTACT |
| Thermal protec |
internal |
Others
| Gross weight |
13.5 lb |
| Country of origin |
US |
| Custom tariff no. |
8413.70.2005 |
