Pneumatic Control Valve Unitary Pipe (In.) 5/8 OD Width (In.) 5 1/8 in Height (In.) 5 3/4 in Valve Type 2-Way NO Cv 2.5 Spring Range (PSI) 3-7 Body Pressure Rating (PSI) 250 psi Close Off Rating @ Main PSI 79 @ 13 Max Controlled Medium Temp (F) 250 Degrees F Max Safe Air PSI 30 psi Features Rotating Actuator Aligns Air Connection with Control Air Piping Brass Lower Seat is Integral and Upper seat is Removable