Mantec’s Puremet Metal Pour Filters are extensively utilised in the investment casting of high performance directionally solidified and single crystal gas turbine engine components both for aerospace and industrial applications.

The filters are positioned within the gating system of the mould to remove non-metallic inclusions such as furnace and ladle slag, moulding sand, refractories and de-oxidation products suspended in the metal stream. They also ensure a smooth metal flow into the mould. Correct use of these filters reduces internal re-work costs in welding and cleaning, improve casting yields and machinability and hence machine tool life.

Within the defence industry Mantec offers filtration solutions that guarantee safety, long service life, reliability and cost effective operation in the most demanding situations.

Mantec’s filtration products have been used for several decades on board warships for applications such as breathing air filtration, bilge water filtration and fuel filtration. The filters for breathing air generally comprise a coalescing pre-filter, a carbon adsorber and an after-filter, whereas the bilge and fuel filtration systems are based on Mantec’s Star-Sep™ Ceramic Membrane technology.