Didtek ANSI Cryogenic Extension Stem Cast Steel Gate Valve

Didtek gate valve is a shutter gate. The direction of movement of the gate is perpendicular to the direction of the flow. The gate valve can only be fully opened and fully closed and cannot be adjusted or throttled. The sealing surface will be surfacing with a metal material to increase the wear resistance, such as surfacing 1Cr13, STL6, stainless steel, and so on. The wedge has a rigid wedge and a flexible wedge. The gate vlave used in petroleum, chemical and natural gas fields.