Gate valves are applied in thermal power, chemical, petrochemical, and refinery plants. They are used for allowing or completely interrupting the flow through pipelines. Basic characteristics include that their stem can be rising or non-rising. The closure can be one-piece, flexible, two-piece with separable plates, or rigid. Optional configurations for these gate valves can include manual, electromotive, pneumatic, or hydraulic drives. They may have a position indicator, an extended stem, a hole in the closure, a built-in bypass valve, etc. It is crucial to define the installation size, considering the different production series of gate valves (series 14, 15...)
Bitno je dobro definisati ugradnu meru, s obzirom na različite serije proizvodnje zasuna