MASS make Diaphragm Sealed Pressure Gauges are designed to measure the corrosive fluids pressure, where suitable material for bourden tube is not available.

The Diaphragm assembly withstand various corrosive actions encountered and seals the Bourdon tube from the process fluid. The displacement of the liquid filled in the Bourdon tube, through movement of the diaphragm, transmits the process pressure to the gauge. The Diaphragm sealed connections are available with threaded type, flanged type and capillary type mountings.