DUKER 451 Operating Instructions Manual - Page 14

Browse online or download pdf Operating Instructions Manual for Control Unit DUKER 451. DUKER 451 19 pages. Resilient seated butterfly valves

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Loosen the countersunk screws (23) of the retaining ring when the valve is closed. Leave grub screws

(24) untouched, because they reproduce the tensioned position of the profile sealing.

Issue 04

Düker GmbH – www.dueker.de

page 14