... on bronz. Application: steam, air, oil, water, other pressure media which have no effect on bronze.1-1/2 ... ”(40mm), 2”(50mm), 2-1/2”(63mm), 4”(100mm), 6”(150mm), ... , motors, winches, Where vibration occurs & pressure fluctuates constantly.1-1/2”(40 mm), 2”(50mm), 2-1/2”(63mm), 4”(100mm ... steel systemsMany different stem lengths, connections and configurations pressure gauge