Butterfly valves - Operating coupling

Butterfly valves - Operating coupling

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Main features

References for manually operated butterfly valves

Operating coupling with square 28

References for motorizable butterfly valves

Operating coupling with square 28

(*) DN150-300: take handwheel (171383) with square 30mm (instead of coupling) and take operating coupling square 29x28 (RAA29G)

(*) DN150-250: take handwheel (171383) with square 30mm (instead of coupling) and take operating coupling square 29x28 (RAA29G)

(*) DN150-200: take handwheel (171383) with square 30mm (instead of coupling) and take operating coupling square 29x28 (RAA29G)

References for buried butterfly valves

Operating coupling with square 28