Flanged Pressure Gauge Fma-63-2, 5-1/4-En with Display Unit In bar and Psi. Indicating Range (Bar)=0 - 2, 5 bar, Conforms to Standard=En 837-1, Nominal Size of Pressure Gauge=63, Design Structure=Bourdon-Tube Pressure Gauge, Mounting Type=Front Panel Installation, Festo