Description
Siemens 257-02010B 2″ Pneumatic Actuator 1/2″ 2-Way Valve Assembly is designed to offer high performance flow control in HVAC systems. This valve is suitable for demanding application due to a high flow rate with a Cof 4.0 Cv. It has a spring range from 3 to 8 PSI and meets ANSI Class 250 specifications for high pressure applications. It’s made of sturdy brass with internal thread connections for a secure and leak free installation. It is a commercial and industrial HVAC systems air or water flow regulating valve. This yields higher control precision, better system efficiency and a consolidated energy saving, creating a steady and efficient indoor climate.









