Description
The Siemens 257-02011B 1/2″ 2-Way Valve Assembly is a precision control component for the HVAC systems which are manufactured to be highly sturdy and efficient for the control of the fluids. This is a normally closed (N/C) valve which is designed to work at the pressure of 3-8 PSI which gives a flow coefficient of Cv 4. 0 and has a high moderate flow rate. It is In HVAC systems, Siemens 257-02011B is applied in different ways such as regulating the flow of water or any fluid in heating and cooling circuits.
