These panel-mount gauges have corrosion-resistant stainless steel wetted parts and a threaded connection that threads into the process, pipe, or tank; the back flange or ring mounts to the panel. Also referred to as surface-mount gauges, their back flange secures them to the surface.

These panel-mount gauges have non-ferrous brass/bronze wetted parts and a threaded connection that threads into the process, pipe, or tank; the back flange or ring mounts to the panel. Also referred to as surface-mount gauges, their back flange secures them to the surface.

These panel-mount gauges have non-ferrous brass/bronze wetted parts and a threaded connection that threads into a process, pipe, or tank; the flange or ring is secured to a panel. Also known as flush-mount gauges, the flange is positioned near or as part of the bezel so they can be secured flush to the panel without protruding from it.