... bronz. Application: steam, air, oil, water, other pressure media which have no effect on bronze.1-1/2 ... thread availableBlack metal steel, black ABS plastic, and stainless steel case availableAcrylic, glass, and polycarbonate (window) lens availablePsi, bar, ... compressors, hydraulic presses & machinery, motors, winches, Where vibration occurs & pressure fluctuates constantly.1-1/2”(40 mm), 2”(50mm), 2 ...