Ashcroft^® 1132 Series Differential Pressure Gauges have a convoluted diaphragm design with no migration of the process media. The 1132 series is recommended for lower differential and high static pressures, up to 1500psi. Body materials are available in Aluminum, Brass, and Stainless Steel, with Buna, Viton, or EPDM seals. The 1132 series comes in 2.5", 3.5", 4.0", 4.5", and 6.0" dials and is offered in dry or liquid (glycerin) filled. Common uses for the Ashcroft 1132 series include filtration monitoring, flow measurement, tank level measurement, and leak detection.