Brochure & Specifications UP 15-29 SFGrundfos UP 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 |
UP 15-29 SF |
| Product No. |
59896771 |
| EAN |
5700837414418 |
Technical
| Speed Number |
1 |
| Rated flow |
10.3 US gpm |
| Max flow |
20.7 US gpm |
| Rated head |
5.322 ft |
| Maximum head |
9.843 ft |
| Approvals |
UL, CSA |
Materials
| Pump housing |
Stainless steel |
|
EN 1.4308 |
|
AISI 304 |
| Impeller |
Composite |
|
PES+30% GF |
Installation
| t max amb |
104 °F |
| Ambient max at 176°F liquid |
176 °F |
| Maximum operating pressure |
145.04 psi |
| Type of connection |
OVAL |
|
S.S. Flange |
| Pipe connection |
2-BOLT FLANGE |
| Pressure rating for connection |
PN 10 |
| Port-to-port length |
6 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
| Max. power input |
87 W |
| Main frequency |
60 Hz |
| Rated voltage |
1 x 115 V |
| Current in speed 3 |
0.75 A |
| Capacitor size - run |
10 µF/180 V |
| Number of poles |
2 |
| Insulation class (IEC 85) |
F |
| Built-in motor protection |
CONTACT |
| Thermal protec |
Impedance protected |
