![Siemens 257-02008B Control Valve, 1/2 in. NC specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-25702008b-specs.png?v=1794070084&width=1445)
This Siemens 257-02008B control valve is a 1/2 in. FxF normally closed bronze valve with a 2.5 Cv flow coefficient, a 3-8 psi spring range, and a 2 in. actuator, used to regulate flow in building automation systems.
This is a genuine Siemens replacement part. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 257-02008B |
|---|---|
| Brand | Siemens |
| Type | Control Valve |
| Pipe Size | 1/2 in. FxF |
| Valve Action | Normally Closed (NC) |
| Flow Coefficient (Cv) | 2.5 |
| Spring Range | 3-8 psi |
| Actuator Size | 2 in. |