Resilient-seated, wafer-type butterfly valve for flange mounting between pipeline flanges; disk with centric bearing; suitable for use in gas pipelines. With replaceable liner mounted on a vulcanised seal carrier ring, and disk with triple bearing. Suitable for use in digestion towers, in waste-water applications, in industry, in gas main and service lines, in pressure stations and in gas storage tanks.

Resilient-seated, wafer-type butterfly valve for flange mounting between pipeline flanges; disk with centric bearing; suitable for use in gas pipelines. With replaceable liner mounted on a vulcanised seal carrier ring, and disk with triple bearing. Suitable for use in digestion towers, in waste-water applications, in industry, in gas main and service lines, in pressure stations and in gas storage tanks.