SKU
VXI46.25/2

VXI46.25/2 - Siemens 25mm 3-port zone valve, internally threaded, PN16 - kvs = 5

£59.99 £49.99
On request
Next Supplier Stock Update: 18/04/2026
Free delivery over £30
Manuals & Datasheets
 DATA-SHEET 
 
Product typeWater Valve
ManufacturerSiemens
Flow pattern3-Way
PressurePN 16
Flow rate - m³/h5 kvs
The Siemens VXI46.25/2 is a 3-port valve, with Pressure Nominal PN 16 and Kws is 5

VXI46 Valves

• Hot-pressed brass valve body
• DN 15, DN 20 and DN 25
• kvs 2…5 m3
/h
• Internally threaded connections Rp to ISO 7-1
• Combined with electromotoric actuators, type SUA.., SSA31.04, SFA.. and
electrothermal actuators STA..

• For use in ventilation and air-conditioning systems for water-side terminal unit
control in closed circuits, e.g. for induction units, fan-coil units, small reheaters
and small re-coolers.
- 2-pipe systems with 1 heat exchanger for heating and cooling
- 4-pipe systems with 2 separate heat exchangers for heating and cooling
• In closed-circuit zone heating systems, for example:
- Separate floors in a building
- Apartments
- Individual rooms

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