621.2 Thermostatic Mixing Valve
This series of valves can be equipped with union fittings with or without built-in check valve or built-in check valve and filter. If they need to be connected directly to a pump, versions with running nut on the central port are available.
Features
Body
Brass CW 617N UNI EN 12165
Seals
EPDM
Handle
ABS
Temperature Adjustment Range
30- 65 °C
Reference Operating Conditions
Thot= 70 °C
Tcold= 15 °C
Phot&cold= 3 bar
Connection Size
G 1¼"
Threaded Connections
MM ISO 228-1
Fluid
Domestic Water,
Water + Glycol Solutions 30%
Maximum Operating Temperature
90 °C
Factory Setting Temperature
40 °C
Accuracy
±2 °C
Maximum Structural Pressure
10 bar
Maximum Operating Pressure
5 bar
Maximum Allowed Pressure Loss
2 bar
Flow Coefficient, Kvs
3,5 m3/h