These filters are in effect simple magnets or magnet assemblies which when suitably located in the fluid system can attract and retain ferrous metal, nickel & cobalt particles offering a remanence in excess of 10000 gauss and a B.H. max of the order of 4 x 10?6 gaussoersted. This magnetic filter are of different types :- e.g. Candle Type, drain Plug Type etc.
It is used to remove ferrous particles & swarfs from process feed lines, pneumatic conveyors, gear boxes, engines, fluid & pneumatic pipelines etc.