SpiroExpand TopControl Modular DUO
The TopControl Modular DUO is an automatic expansion and pressure-maintaining device. The unit contains 2 VFD pumps (2x 50%) and an electronically controlled overflow valve. A separate EP storage tank is required.
The properties of the TopControl Modular DUO:
- 2 VFD pumps (2x 50%)
- 1 electronically controlled overflow valve (1x 100%)
- At least 1 unpressurized expansion vessel needs to be added
- Operational pressure range up to 8.4 to 23.5 bar
- The maximum temperature at the point of connection: 70°C (over 70°C possible with auxiliary tank)
- Maximum safety temperature in the system: 110°C
- Maximum operating pressure (PN): 10 to 25 bar
