![Siemens 257-02045 Pneumatic Control Valve, 3/4 in. Cv 6.3 — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-25702045-card.png?v=1794067615&width=1946)
![Siemens 257-02045 Pneumatic Control Valve, 3/4 in. Cv 6.3 specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-25702045-specs.png?v=1794067616&width=1946)
Siemens 257-02045 Pneumatic Control Valve, 3/4 in. Cv 6.3
Siemens 257-02045 Pneumatic Control Valve, 3/4 in. Cv 6.3
Regular price
$225.64 USD
Regular price
Sale price
$225.64 USD
Shipping calculated at checkout.
31 in stock
Quantity
- Purchase Orders & Tax-Exempt Welcome Contractors, municipalities, schools and businesses: email a PO, or send your exemption certificate once and tax comes off every order.
SKU:257-02045
View full details![Siemens 257-02045 Pneumatic Control Valve, 3/4 in. Cv 6.3 — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-25702045-card.png?v=1794067615&width=1445)
![Siemens 257-02045 Pneumatic Control Valve, 3/4 in. Cv 6.3 specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-25702045-specs.png?v=1794067616&width=1445)
This Siemens 257-02045 is a pneumatic control valve used to regulate flow in HVAC systems. It features a 3/4 inch female by union male connection, a normally open position, and a 3 to 8 psi spring range that drives a 2 inch linear actuator stroke, with a flow coefficient of Cv 6.3. This is a genuine Siemens replacement part. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 257-02045 |
|---|---|
| Brand | Siemens |
| Type | Pneumatic Control Valve |
| Connection | 3/4 in. F x UM |
| Position | Normally Open |
| Spring Range | 3-8 psi |
| Stroke | 2 in. Linear |
| Cv | 6.3 |