PUMPFIX DIRECT BASIC DN25
PF 2500B - PF 2501B
PF 2500B - PF 2501B
The pumping set for direct heating circuit or for connecting the boiler to the boiler.
Spacer is made from welded iron (powder coated - black).
Components:
ball valve with thermometer (0 – 120°C) and check valve - BLUE
ball valve with thermometer (0 – 120°C) - RED
circulation pump
welded steel spacer (black)
Connection piece with shut-off valve
Insulation shell
Connections G3/4” for overflow valve installation
Spacer is made from welded iron (powder coated - black).
Components:
ball valve with thermometer (0 – 120°C) and check valve - BLUE
ball valve with thermometer (0 – 120°C) - RED
circulation pump
welded steel spacer (black)
Connection piece with shut-off valve
Insulation shell
Connections G3/4” for overflow valve installation
The HERZ PUMPFIX DIRECT BASIC pump group is designed for use in heating and chilled water systems, particularly in residential applications. It is compatible with circulation pumps from various manufacturers and models.
Key applications of the HERZ PUMPFIX DIRECT BASIC pump group include:
- Filling hot water tanks,
- Supporting modulating temperature heating systems.
The DN25 HERZ PUMPFIX BASIC pump group can also be enhanced with an optional overflow valve (1 4514 99) for added functionality.
| Nominal pressure: | max. 10 bar |
| Max. operating temperature: | 110 °C |
| Short-term load: | 120 °C < 15 s |
| Min. operating temperature: | 0 °C (voda 0,5 °C) |
| Opening pressure for check valve : | 200 mmWc |
| Propylene glycol mixing ratio: | 25-50 % |
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.
Components:
1. Valve with thermometer (blue) and non-return valve
2. Valve with thermometer (red)
3. Spacer
4. Circulation pump*
5. Ball valve
