NON-CONTACT VALVE AND METHOD OF SUPPLYING PBT PELLETS

Japanese Patent JP2023120867

A

To provide a non-contact valve capable of suppressing the generation of metallic foreign matters, and a method of supplying PBT pellets.SOLUTION: Provided is a non-contact valve for supplying PBT pellets including a casing (1) having an inlet portion (1a) and an outlet portion (1B), and a valving element (2) disposed in the casing and rotatable about an axial center in a direction orthogonal to a direction connecting the inlet portion and the outlet portion, wherein an opening edge (1a) of the inlet portion (1A) is provided with a plate (3) for preventing powder or granular material from being drawn in and an anti-bite portion (4) facing it, and the plate (3) is formed of an inclined plate protruding downward at an angle from the opening edge (1a). A biaxial average grain size d of the PBT pellets and clearance c between the valving element (2) and the opening edge (1a) are in a relationship of 5.0