DUKER 4510 Series Manuale di istruzioni per l'uso - Pagina 13
Sfoglia online o scarica il pdf Manuale di istruzioni per l'uso per Unità di controllo DUKER 4510 Series. DUKER 4510 Series 19. Resilient seated butterfly valves
10 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 03
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3
Düker GmbH – www.dueker.de
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