Siemens Pneumatic Control Valve: 4 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Spring Return
The Siemens Pneumatic Control Valve (SKU 257-02041, MPN 257-02041) is a 2-way, spring return, normally open (NO) zone valve with a 4 Cv flow rate and 1/2 in female NPT connection. It is designed for pneumatic control…
SKU 3G-OTH-69569
Also listed as: 25702041 · 257 02041
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Product Description
The Siemens Pneumatic Control Valve (SKU 257-02041, MPN 257-02041) is a 2-way, spring return, normally open (NO) zone valve with a 4 Cv flow rate and 1/2 in female NPT connection. It is designed for pneumatic control applications requiring reliable on/off or modulating operation.
Frequently Asked Questions
What is a Siemens 257-02041 pneumatic control valve used for?
The Siemens 257-02041 is a 2-way, normally open, spring return pneumatic control valve used in HVAC and industrial fluid systems to regulate water or glycol flow. It is commonly applied in zone control, radiator circuits, and heat exchangers where reliable shut-off and modulating control are required.
What are the specifications of the Siemens 257-02041 valve?
The Siemens 257-02041 is a 2-way, spring return, normally open pneumatic control valve with a 4 Cv flow rate. It has 1/2 in female NPT connections and is manufactured by Siemens. The valve is designed for use with pneumatic actuators in commercial building and industrial process applications.
Where to buy a Siemens 257-02041 valve worldwide?
3G Electric supplies the Siemens 257-02041 pneumatic control valve worldwide. As a global industrial equipment 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 country.
How to install a Siemens 257-02041 spring return valve?
Install the Siemens 257-02041 valve with flow direction matching the arrow on the body. Use thread sealant on the 1/2 in female NPT connections and avoid overtightening. Mount the valve in a horizontal or vertical position with the actuator above the pipeline. Always follow Siemens installation guidelines for pneumatic connections.
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.
