직경이 다른 PE 파이프의 수압 베어링 용량에 차이가 있습니까?

2025-08-18

PE 파이프를 적용할 때 많은 사람들이 다음과 같은 질문에 대해 걱정할 것입니다. 직경이 다른 PE 파이프의 수압 베어링 용량에 차이가 있습니까? 대답은 '예'입니다. 하지만 이 차이는 단순히 직경의 크기가 아니라 요인의 조합에 의해 결정됩니다.

우선 PE 파이프의 수압 베어링 용량은 주로 파이프가 상온에서 안전하게 운반할 수 있는 최대 작업 압력인 공칭 압력(PN)으로 표현된다는 점을 명확히 해야 합니다. 일반적으로 PE 파이프의 공칭 압력은 PN1.0, PN1.6, PN2.0 등과 같은 여러 등급이 있습니다. 값이 클수록 압력 베어링 용량이 강해집니다. 117277798400 정상적인 상황에서는 동일한 재료 등급 및 벽 두께 조건에서 PE 파이프의 직경과 수압 베어링 용량 사이에 직접적인 양 또는 음의 상관 관계가 없습니다. 즉, 직경이 클수록 압력 베어링 용량이 낮거나 직경이 작을수록 압력 베어링 용량이 높아지는 것이 아닙니다. 예를 들어, PN1.6 등급의 동일한 PE 파이프, dn20의 작은 직경 파이프 및 dn315의 큰 직경 파이프, 공칭 압력은 동일하며 이론적으로 견딜 수 있는 수압의 상한은 동일합니다.

그러나 실제 적용에서 다른 직경의 PE 파이프가 다른 압력 베어링 용량을 느끼는 이유는 무엇입니까? 이는 주로 설계 및 생산에서 서로 다른 예를 들어, 작은 직경의 PE 파이프는 가정용 급수 및 작은 관개와 같이 상대적으로 높은 압력 요구 조건을 가진 분기 파이프에 자주 사용되며 더 높은 공칭 압력 사양을 선택할 수 있습니다. 반면 큰 직경의 PE 파이프는 도시 급수 트렁크 파이프, 하수 등에 더 많이 사용됩니다. 설계 압력은 전달 거리 및 유량과 같은 요인에 따라 종합적으로 결정되며, 반드시 작은 직경의 파이프보다 낮은 것은 아니며, 필요에 따라 다른 PN 값을 선택할 수도 있습니다.

PE 파이프의 수압 내성에 영향을 미치는 주요 요인은 실제로 재료 등급이 높을수록 파이프 벽이 두꺼워지고 파이프라인의 구조 강도와 내부 압력 저항이 강하며 견딜 수 있는 수압이 커집니다. 같은 직경의 PE 파이프의 경우에도 벽 두께가 다르면 공칭 압력이 크게 달라집니다.

따라서 PE 파이프를 선택할 때 직경만으로 수압 베어링 용량을 판단할 수는 없지만 파이프라인의 공칭 압력(PN 값), 재료 등급 및 벽 두께에 중점을 두어야 합니다. 설계 요건을 충족하는 PE 파이프 제품은 파이프라인 시스템의 안전하고 안정적인 작동을 보장하기 위해 실제 작업 압력, 중간 특성 및 특정 선택에 의문이 있는 경우 전문 파이프라인 기술자와 상담하거나 관련 제품 표준 및 설계 사양을 참조하는 것이 좋습니다


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