Type  63-DT with Peek sealings for temperature up to +250 °C have a directly acting and external medium operated type of control  and need compressed air from min. 6 bar for switching. They have a simple  and solid design and quick reaction times. High  quality valves, very suitable for large series plants thanks to their variable design. In order to avoid water hammer effects, just select the option "valve closes against the media" . Optionally +300°C with metallic sealings.