Smooth product passages and special seals ensure thoroughcleaning.• Metallic stop protects the valve flanges against overtighteningand the valve seal against mechanical overstress, improving seallifetime.• One actuator covers all diameters from DN25/1” to DN100/4”.• Slide bearings on the pivots of the discs increase operatingreliability.• Visual indication of open/closed position.• SVS1F intermediate flange design allows simple removal andeasy access of valves installed in long or fixed pipelines.• ATEX compliant models.