볼밸브 Pc 구분은 어떻게 하지?
Synopsis
볼밸브 원피스,투피스,쓰리피스 구분하기.
![[현장 적용 꿀팁] Gate Valve 또는 Ball Valve 배관에 설치한다면 당신의 선택은?](https://i.ytimg.com/vi/LbWyTZSfLFU/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLCTWg7iPaEPcbuASneZlMHIZgzUdw)
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