壓力記錄儀產品及廠家
在施工或維修后，要對管道進行氣密性試驗，以保證管道的安全運行。在氣密性試驗中，通常是用壓力表或u形管壓力計，對管道的氣密性記錄24h的壓力變化，算出實際壓降，并與允許壓降比較后，確定氣密性試驗是否合格。
更新時間:2025-09-01
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