Pneumatic Globe Control Valve, Pipe Size 1/2 in, Max. Input Air Pressure 400 psi, Max. Steam Pressure 250 WSP, Connection Type FNPT, Required Pressure 6 to 15 psi, Body Material Bronze, Seat Material 303 Stainless Steel, Number of Ports 2, Standards ANSI B16.15 Class 250, ANSI/FCI 70-2 Class IV Seat Leakage