DeZurik APCO CVS-6000 설치, 운영 및 유지보수 매뉴얼 - 페이지 10
{카테고리_이름} DeZurik APCO CVS-6000에 대한 설치, 운영 및 유지보수 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. DeZurik APCO CVS-6000 11 페이지. Swing check valves
DeZurik APCO CVS-6000에 대해서도 마찬가지입니다: 설치, 운영 및 유지보수 매뉴얼 (19 페이지)
페이지 인쇄
DeZURIK
APCO CVS-6000 Convertible Swing Check Valves
Troubleshooting
Condition
Shaft seal leaks.
Valve leaks excessively from
one side of the disc to the other.
Valve leaks at flange joint.
Valve does not fully close.
D12009
Possible Cause
Seal is worn.
Foreign matter caught between
disc and seat.
Disc seat is worn or damaged.
Loose flange bolting.
Blown flange gasket.
Miss-alignment or damage to
field piping and supports.
Damaged flange face/s or
improper flange connections.
Object is wedged between seat
and disc.
Page 10
Corrective Action
Replace seal.
Fully open valve to remove
object.
Replace disc seat.
Tighten flange bolting.
Replace flange gasket.
Adjust miss-alignment or repair
piping or supports.
Repair flange, replace valve
body or adjust flange
connections.
Fully open valve to remove
object.
December 2012