PUMPFIX DIRECT DN40
PF 4000 - PF 4001
PF 4000 - PF 4001
Pump set for direct heating circuit or for connecting the water heater to the boiler.
- With thermal insulation,
- Ball valves with integrated thermometer for supply and return,
- Spacer,
- Check valve,
- Possible to integrate pumps from different suppliers.
- With thermal insulation,
- Ball valves with integrated thermometer for supply and return,
- Spacer,
- Check valve,
- Possible to integrate pumps from different suppliers.
The HERZ PUMPFIX DIRECT pump group is designed for use in heating and chilled water systems, especially in residential buildings.
It is compatible with circulation pumps of various manufacturers and models.
The main uses of the HERZ PUMPFIX DIRECT BASIC pump group:
- filling hot water tanks,
- support for heating systems with temperature modulation.
It is compatible with circulation pumps of various manufacturers and models.
The main uses of the HERZ PUMPFIX DIRECT BASIC pump group:
- filling hot water tanks,
- support for heating systems with temperature modulation.
| ART. | IDENT | DN | PN | EAN | Pump | Kvs | L [mm] |
H [mm] |
L1 [mm] |
L2 [mm] |
L3 [mm] |
L4 [mm] |
L5 [mm] |
L6 [mm] |
G* [in] |
G1** [in] |
| PF 4000 | 1761400 | 40 | 10 | 9004174047831 | - | 26,4 | 422 | 430 | 253 | 180 | 120 | 19 | 25 | 220 | 2 | 2 |
| PF 4001 | 1761401 | 40 | 10 | 9004174047886 | Wilo Stratos MAXO 40/0,5-8 PN6/10 | 26,4 | 422 | 430 | 253 | 180 | 120 | 19 | 25 | 220 | 2 | 2 |
| Nominal pressure: | max. 10 bar |
| Max. operating temperature: | 110 °C |
| Short-term load: | 120 °C < 15 s |
| Min. operating temperature: | 0 °C (water 0,5 °C) |
| Opening pressure for check valve : | 200 mmWc |
| Propylene glycol mixing ratio: | 25-50 % |
Medium:
| Heating water according to ÖNORM H5195 or VDI- Standard 2035. The use of ethylene, or propylene glycol in a mixing ratio of 25- 50% is allowed. EPDM gaskets can be affected by Mineral oils lubricants and thus lead to failure of the EPDM seals. Please refer to the manufacturers documentation when using ethylene glycol products for frost and corrosion protection. |
1. Valve with thermometer (blue)
2. Valve with thermometer (red)
3. Long spacer
4. Connector with free moving nut
5. Ball valve
6. Circulation pump*
*see overview table
7. Check valve
8. Short spacer
9. Mounting bracket
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