... bronz. Application: steam, air, oil, water, other pressure media which have no effect on bronze.1-1/2 ... hydraulic presses & machinery, motors, winches, Where vibration occurs & pressure fluctuates constantly.1-1/2”(40 mm), 2”(50mm), 2 ... C, °F, or °C/°F scale.Gas or vapor filled remote or direct reading thermometers for wall, panel ... different stem lengths, connections and configurations pressure gauge