Screw tip set (assembly) consists of screw tip, check ring (non-return valve) and washer. Utilizing the most advanced technology in both design and manufacturing process, we manufacture wide range of different types screw tips to meet the needs of today’s injection molders. Screw tip with bimetallic alloy (tungsten carbide) Ningbo JInyi’s carbide spin-lock screw tip is manufactured with an ultra high abrasion resistant 88% Tungsten Carbide inlay on the check ring outer diameter providing extended service life. Designed with generous fl ow volumes, direct, and highly polished fl ow paths. This valve provides very little pressure drop, providing fast screw recovery rates, it’s easy and fast purging for material and color changes. Ningbo JInyi’s C-770 Spin-Lock design leaves very little dead space forward of the feed screw for maximum displacement of the polymer. This design has excellent shut-off characteristics as well. ---------------------------------------------- Ningbo Jinyi Precision Machinery Co., Ltd. (since 1992) 158 Qiancheng Road, Zhenhai District, Ningbo 315207, China Email: info@jinyiscrew.com www.jinyi-machinery.com www.jinyi-precision.com