Standard features

- Body hollow-forged in a closed die

- Double-sided high-pressure shut-off system

- Function of a check valve and gate valve

- Internal hinge pin, pivoted in a separate retaining ring

- Movable shut-off system guided in a groove

- Defined stop of the check disc

- Pressure sealing bonnet acc. to VGB-guidelines

- Generally stellited seats

- Design acc. to EN and ASME