DUKER 451 Manual de instrucciones - Página 13
Navegue en línea o descargue pdf Manual de instrucciones para Unidad de control DUKER 451. DUKER 451 19 páginas. Resilient seated butterfly valves
Imprimir página10 Service and maintenance
10.1 Maintenance
It is recommended to operate fittings that remain permanently in one position three to four times a year.
10.2 Replacing the profile sealing
Mark the positon of the retaining ring (4) to the disc (3) (yellow line).
Issue 04
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Düker GmbH – www.dueker.de
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