Siemens Pneumatic Control Valve: 6.3 Cv Flow Rate, 2-Way, 3/4 in Female NPT, Spring Return
The Siemens Pneumatic Control Valve (SKU 3G-OTH-69645, MPN 257-02044) is a 2-Way, Spring Return, Normally Open, Pneumatic zone valve with a 6.3 Cv flow rate and 3/4 in Female NPT connection. 3G Electric interprets…
SKU 3G-OTH-69645
Also listed as: 25702044 · 257 02044
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The Siemens Pneumatic Control Valve (SKU 3G-OTH-69645, MPN 257-02044) is a 2-Way, Spring Return, Normally Open, Pneumatic zone valve with a 6.3 Cv flow rate and 3/4 in Female NPT connection. 3G Electric interprets this demand and delivers the genuine Siemens valve, backed by our specialist depth in controls across 14 industrial departments.
Frequently Asked Questions
What is the Siemens 257-02044 pneumatic control valve used for?
The Siemens 257-02044 is a 2-way, spring return, normally open pneumatic control valve used in HVAC and industrial fluid systems to regulate flow. It is commonly applied in zone control, hot water, and chilled water loops where reliable shutoff and modulating control are required.
What are the specifications of the Siemens 257-02044 valve?
The Siemens 257-02044 is a 2-way, spring return, normally open pneumatic valve with a 6.3 Cv flow rate. It has a 3/4 in female NPT connection and is pneumatically actuated. The valve body is designed for zone control applications and is manufactured by Siemens under MPN 257-02044.
Where to buy the Siemens 257-02044 valve worldwide?
3G Electric supplies the Siemens 257-02044 pneumatic control valve worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this Siemens valve to any international destination.
How to install a Siemens pneumatic control valve?
Install the Siemens 257-02044 valve with the flow arrow pointing in the correct direction. Use thread sealant on the 3/4 in female NPT connections and ensure the pneumatic actuator receives clean, dry air at the specified pressure. Mount the valve in a horizontal or vertical position per Siemens guidelines and test for leaks before commissioning.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens 2-way npt connection zone valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
