![Siemens 257-02034 Valve Assembly, 1/2 in. Normally Open specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-25702034-specs.png?v=1794068062&width=1445)
The Siemens 257-02034 is a 1/2 in. FxF valve assembly with a normally open position and a 1.0 Cv flow coefficient, designed to pair with a pneumatic actuator operating over a 3-8 psi spring range in an HVAC control system. It is a genuine Siemens replacement part.
Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 257-02034 |
|---|---|
| Brand | Siemens |
| Type | Valve Assembly |
| Size | 1/2 in. |
| Connection | FxF |
| Position | Normally Open |
| Flow Coefficient (Cv) | 1.0 |
| Spring Range | 3-8 psi |