are used in the feeding section, the natural exhausting section and the vacuum exhausting sections. Depending on the materials produced, the placement of the open barrel is different. The opening shapes can be square, rectangular, and round above the natural exhausting port and the vacuum exhausting port, and there must be a suitable "material stopper" arranged in the opening to reduce the return of material.

Brand：LESUN

Properties: Wear-resisting, Corrode-resisting, Durable

1.Bi-metal liner +45# steel cylinder: high wearability, 2.N00 nitriding steel: good anti-corrosion performance

Nanjing Lesun Screw Co.,Ltd is a professional sarts