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EXOPOURS

Exopours are an assembly of a vacuum formed sleeve and  a foam filter that is inserted in the sleeve.  This assembly combines to provide the foundry with the following:

1.  A pouring cup to pour metal into.

2.  A filter to provide non-turbulent metal flow to the casting while trapping oxides, dross, & other non-metallics.

3.  A riser sleeve to provide feed metal to the solidifying casting.

Exopours can be used to replace many conventional gating systems which will reduce costs associated with gating removal in your facility.  We also can offer these with an oil sand breaker core attached to the bottom of the Exopour to further reduce contact area.

Exopour sleeves can be made in insulating or exothermic materials.  Metal filtration and flow control are key components in producing good casting and reducing casting rework and scrap. We offer silicon carbide filters for grey iron and ductile iron castings and zirconia filters for steel castings.  Exopour sleeve sizes are designated by the filter size 2" diameter through 9" diameter.  Sleeves and filters can be ordered and shipped separately or assembled.

Exochem can produce the following size Exopour sleeves: