![Belimo EFX120-S N4H Damper Actuator, 270 in-lb [30 Nm], Spring return, AC 100...240 V, On/Off, 2x SPDT, NEMA 4](https://hsgroupexport.com/wp-content/uploads/2025/08/EFX120-S_N4H-product_retina-1-300x300.jpg)
Siemens 656-0009 3-Way Mixing Valves,
This is a 656 Series Valve Assembly with a 1/2″ Line Size,
with 3-way Pilot Valve Action and Flow rate of 2.5 Cv.
This item can also serve as air station equipment which rapidly responds to large volume demands and supply pressure variations.
This can be used in two-pressure systems for either day-night or heat-cool applications.
This pilot valve has a 1/2″ OD SAE flare inlet/outlet port,
10 to 15 psi pneumatic actuator and a 1/8″ NPT female pilot port.
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