![Siemens 331-2857 Pneumatic Actuator, #6 specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-3312857-specs.png?v=1794069627&width=1445)
The Siemens 331-2857 is a size #6 pneumatic valve actuator with a 3-8 psi spring range, used to position a compatible valve in response to a pneumatic control signal. It mounts to the valve body to provide modulating or two-position control in HVAC systems. This genuine Siemens replacement part is sized for applications matching its spring range and actuator size. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 331-2857 |
|---|---|
| Brand | Siemens |
| Type | Pneumatic Actuator |
| Size | #6 |
| Spring Range | 3-8 PSI |