조절밸브 직경 규격
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자주 1.5"*1.65를 만나요“；4"*3.5“；100*50, 어느 것이 플랜지의 직경을 나타내나요?또 다른 하나는 무엇을 가리키는 걸까요?
플랜지 명목 직경과 밸브 시트 직경.
큰 것은 밸브 직경이고, 작은 것은 CV를 계산합니다
큰 것은 밸브의 명목 직경이고, 작은 것은 계산을 통해 얻어진 값입니다
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