Thanks to their spring shape they decompose the product and avoid it's blocking. They are indicated for flakes, chips, powder, granules and mixtures.

DOUBLE SCREW WITH CONCAVE PROFILE

Allowing the forced flowing of the product, it is indicated for difficult flowing product.

SPYRAL - TYPE DOUBLE OR SINGLE SCREW

Allowing the flow of granules and powders legether, it's indicated for a wide application field, for the double screw as well for the single screw types.