Siemens 257-02070B 3/4" Pneumatic Mixing Valve 6.3Cv 3-8 PSI

The Siemens 257-02070B Pneumatic Mixing Valve is a versatile component for use in HVAC systems in which you control air or water flow accurately. This 3/4" 3-way valve, with Cv of 6.3, is engineered to allow a mixing or diverting function in a pneumatic system. Made of corrosion resistant brass, it is made to last and suit operations in both industrial and commercial. The valve operates in a pressure range of 3-8 PSI and has a 7/32" stroke for accurate modulation of fluid flow. It performs its main operation which is to blend or divert flows to maintain optimum temperatures and for the efficient system operation.