Valves with a shut-off arrangement in the form of a curtain by means of a slide and connected to pipelines to stop the fluid in the pipe. Thanks to the screw shaft mounted inside the body, the valve is opened and closed by moving the slide up and down. Sealing is ensured by the gasket covered by the slide. They are used in non-corrosive liquids and liquid fuel installations. It is not used for control purposes and flow adjustment.