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공임
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부품비
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소요 시간
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2026. 7. 28. 작업
밸브 정비 중 의문점: 밸브가 수백만 번의 왕복 운동을 반복할 때, 실제로 회전하는지 아니면 씰 상태에서 위치가 고정되어 있는지? 회전이 가능하다면 씰 손실을 야기할 수 있는가? 스프링이 밸브를 눌러주지만 위치를 잠금하는 메커니즘이 없다.
간단한 답변: 밸브는 계속 회전한다. 이는 개폐 사이클 중에 발생하며 닫혀있을 때는 아니다. 이것이 밸브를 래핑(래핑)해야 하는 이유다. 밸브 페이스 전체가 씰과 접촉하고 한 부분에만 접촉하는 것을 방지하기 위함이다.
출처
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