Material: S (Body: 316L SS; Poppet: 316L SS; Diaphragm: Ni-Cr-Mo Alloy), Surface Finish: 15 μin. (0.4 μm), Standard, Ports: 2PW [2 Ports (1-In; 2-Out)], Connections, Inlet: FV4 (1/4 Inch Face Seal, Female), Connections, Outlet: FV4 (1/4 Inch Face Seal, Female), Gauge Port, Inlet: No Gauge Port, Gauge Port, Outlet: No Gauge Port, Pressure Gauge Unit: psig/bar (or None in the Case of No Gauge