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15092025

PE 管为何不能用气打压测试？气体压缩性与安全风险

PE管为何不能用气打压测试？因气体具有高压缩性，易储存能量，测试时可能因泄漏或超压导致爆炸，存在严重安全风险，且测试结果不准确，建议用水打压以确保安全与测试准确性。

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15092025

新风系统为何选用 PE 管？通风性能与耐腐蚀性需求

新风系统选用PE管，主要因其出色通风性能与耐腐蚀性。内壁光滑风阻小，保障风量与能效；化学稳定性佳，耐空气杂质腐蚀，延长系统寿命，是理想管道选择。

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15092025

PE 管局部为何会出现小孔漏水？材质缺陷与安装损伤排查

PE管局部出现小孔漏水，可能是材质缺陷或安装损伤所致。本文分析PE管小孔漏水的常见原因，详解材质问题与安装不当的排查方向，助您有效解决PE管漏水难题。

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15092025

PE 管焊接后的卷边为何要切除？卷边对流体阻力与密封的影响

PE管焊接后形成的卷边需切除，因其会增加流体阻力、导致水流紊乱，还可能影响密封性能、隐藏焊接缺陷。切除卷边是保障管道系统效率与安全的重要步骤。

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15092025

部分水管道为何不能用 PE 管？高温与水质适应性限制

PE管虽有优势，但在部分水管道应用中受高温与水质适应性限制。本文分析其不耐高温、对特定水质敏感的原因，助您了解为何部分场景不宜选用PE管及如何科学选择管道。

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15092025

PE 管焊接后内部为何会有气孔？熔接时空气残留与工艺问题

PE管焊接后内部出现气孔是常见问题，主要源于熔接时空气残留与工艺控制不当。本文深入分析空气残留的成因及各类工艺问题对焊接质量的影响，并提出相应控制要点。

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15092025

工业管道中为何用 PE 管取代钢管？轻量化与维护成本优势

在工业管道领域，PE管正逐步取代传统钢管。本文探讨其背后原因，重点分析PE管轻量化带来的运输安装便利，以及维护成本低的长期经济效益，揭示PE管的应用优势。

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15092025

PE 管为何不是越厚越好？厚度与压力、成本的平衡关系

PE管并非越厚越好。过厚管壁会增加成本、影响安装运输与输送效率。科学设计的PE管需平衡壁厚、压力与成本，选择时应关注符合标准的经济合理壁厚。

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15092025

铸铁管与 PE 管有何关联？材质替代与性能升级历程

本文探讨铸铁管与PE管的关联，回顾铸铁管的历史作用与局限，阐述PE管如何逐步实现对铸铁管的材质替代，并详细分析PE管在轻质、耐腐蚀、易安装等方面的性能升级，展现管道行业的技术进步。

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15092025

市政供水管网为何首选 PE 管？大规模应用的成本与耐用性优势

市政供水管网建设中，PE管凭借显著的成本优势与卓越的耐用性成为首选。其综合成本低、安装便捷，且具有优异的耐腐蚀、抗冲击性能和长久使用寿命，保障供水系统稳定高效运行。

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15092025

PE 管安装前为何要彻底处理干净？表面杂质对密封性能的影响

PE管安装前彻底清洁表面至关重要。本文解析表面杂质如何影响管道密封性能，导致渗漏等问题，介绍有效的清洁处理方法，确保安装质量与系统安全。

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15092025

家装场景为何不用 PE 管？施工复杂度与家居需求不匹配

探讨家装场景中PE管应用较少的原因，分析其施工复杂度、家居环境适应性等方面，说明PE管与家装需求不匹配的具体表现。

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