Butterfly valve ROCO Premium

with handwheelfor controlfor water

ROCO Premium Butterfly Valve Encapsulated shaft not in contact with medium Polygon plug connection between shaft and tilting disc Detail-optimised protection corrosion Optimally matched gearbox with slidercrank mechanism Product Description DN 80 – 600 PN 10 – 16 Body: EN-JS1030 Coating: Epoxy, Enamel, Rubber lining, Epoxy-Polymer-Ceramic (EPC) The ERHARD ROCO Premium butterfly valve as a logical and consistent development of the ERHARD butterfly valves that have been tried and tested for many years stands for highest quality in the nominal sizes DN 80 to 600. Perfect solutions ensure outstanding product properties with respect to operating safety, durability and cost effectiveness: Polygon shaft-hub connection [1] between shaft and valve disc with shut valve eye and 20 % more torque reserves. Safe sealing using a rolled up, solid seat ring made of stainless steel or in the enamelled version, it sits directly on the smooth vitreous enamel. Fully rubberised EPDM clamping ring [2] which simultaneously serves as a sealing element, can be easily readjusted and, if necessary, can be easily