This is a Shear Type Condute Knife Gate Valve that has superior features and can deliver high performance consistently. This model has an O-Port Gate design, with a Bi-Directional Shear type Valve. Attributes Solid Two piece cast body mounted each other by boltingDesign and testing as per Industry StandardPTFE used for sealingStainless steel retainer rings are used in outer part of the borePort gates are heat treated and hardened to with stand any type of severe slurries and foreign particles and dried sediments of the medium