DUKER 4510 Series 사용 설명서 - 페이지 13
{카테고리_이름} DUKER 4510 Series에 대한 사용 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. DUKER 4510 Series 19 페이지. 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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Düker GmbH – www.dueker.de
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