공기구 자료 자동 재수 밸브
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작성자 운영자 작성일 06-07-13 11:44본문
내압력이 있을때만 폐쇄되고 평상시에는 개방되어 배관
내부에 유입된 물을 배수시킵니다. 송수구 배관과 동파
피해 등이 예상되는 스프링클러 배관에 사용합니다.
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