Siemens Pneumatic Control Valve, NO, Brass 257-02044

Pneumatic Control Valve, Globe, Pipe (In.) 3/4 NPT, Valve Body Material Bronze, Valve Type 2-Way NO, Cv 6.3, Spring Range (PSI) 3-8, Close Off Rating @ Main PSI 35 @ 20, Differential Pressure (PSI) 25 psi, Max. Pressure (PSI) 15 psi, Features Direct Coupled, Allows Easy Installation, Hole Type Plug Provides Quieter Operation, Function Used to Provide Pneumatic Proportional Control of Water, Steam and Ethylene Glycol Solutions (Up to 50 Percent)