- In combination with a shut-off blade/saddle blade, the auxiliary shut-off device via intermediate flange serves as shut-off element (e.g. below air release valves) between two flanges.
- The saddle blade is available as accessory. After drilling, valves and fittings can be connected.
- In combination with an appropriate drilling device, the shut-off system with integrated auxiliary shut-off device permits an easy under pressure drilling of the main line.