... no effect on bronze and brass Type :PG-01 (Dry Steel Case Pressure Gauge)Application:For measurement of steam, air ... media, which have no effect on bronze and brassDial size:1.5", 2", 2.5", 3, 3.5", 4", and 4.5", ... :ASME B40.1 Grade B (3-2-3%)ASME B40.1 Grade A (2-1-2%)Ambient temperature: -40 to 60 Option ... U-clamp available5) Other connection sizes available upon request. General Dry Gauge