Pressure gauge NKS Model: AE20-1… Fluid: Gas H2 Mounting: Stem (Type A) Connection: 1/2NPT Wetted parts materials: Corrosion-proof use SUS Pressure range: 0 to 35 MPa Nominal size: 100 mm Bourdon tube: SS316 Socket: SS316 Function: Steam use - Vibration-proof type pointer: Zero adjustable