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A ring with a short teflon coated, tightened by a stainless steel strap, is fixed on the inner ring of the press door to prevent part of the flour from coming out frontally mixing with the pellets before centering in the pelleting area.

ptfe ring

The ring is a PTFE packing, a material characterized by a strong chemical inertness used for both static and dynamic seals.

The PTFE braid is made from a multifilament yarn with expanded material, lubricated and reinforced with aramid yarns.