Porvair Filtration Group range of differential pressure indicators (DPI’s) provide indication of increasing differential pressure and filter blockage or by-pass by either mechanical or electrical signal. They can also indicate decreasing differential pressure in the system.

These are lightweight, robust and reliable for use in hydraulic, fuel and lube oil systems. Indication can be either by simple visual button or electrical output.

Please contact a Porvair Filtration Group company representative for further information and advice on our complete range of differential pressure indicators for the aerospace and defence industry, and our design and manufacturing services.