Description
The direct circulation unit is used to distribute the delivery fluid of the heating system at the same temperature as the primary circuit (boiler, heat pump, district heating, ...).
Its installation is intended on the main manifold with a delivery / return centre distance of 125 mm.
It is composed by:
-Insulating shell made of EPP (expanded polypropylene);
-Plant side: 1" F two-way shut-off valves for connection to the system delivery / return, with integrated thermometers in the knobs;
-Integrated non-return valve on the manual valve (return line);
-High-efficiency circulator (also available without circulator);
-Collector side: Ø 1½" M connections.
Technical Data
- Nominal Diameter : DN25
- Fluid operating temperature range : 15° - 80°C
- Maximum inlet water temperature : 80 °C
- Maximum operating pressure : 6 bar
- Suitable fluids : water, glycol-based water / compatible fluids
with PTFE and EPDM seals
- Thermometer scale on shut-off valves : 0 - 120°C
- Kv values : D2570 - Kv 7,0 m³/h
: M2560 - Kv 6,0 m³/h
: T2525 - KV 2.5 m³/h
- Connection centre distance : 125 mm
- Female threaded connections (user side) : G 1" - ISO 228-1
- Male threaded connections (manifold side) : G 1"½ - ISO 228-1
Materials:
- Pipes : Painted steel
- Thermostatic valve body : CW617N brass
- Sector valve body : CW617N brass
- Gaskets : PTFE e EDPM
- Insulation shell : EPP
