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Standard tightness test for air pressure reducing valves
The author: Time:2021/2/24

  1.內(nèi)泄漏試驗(yàn):空氣減壓閥試驗(yàn)壓力按規(guī)定,閥關(guān)閉。在出口處涂肥皂水,觀察10s。
  2.外泄謝試驗(yàn):空氣減壓閥試驗(yàn)壓力按規(guī)定,出口壓力調(diào)至較大,出口管路關(guān)閉,在鎖緊蓋處、膜片連接處、用壓力表連接處、溢流口處涂肥皂水檢查10s。閥芯桿頂端為硬質(zhì)密封時(shí),在溢流口接流量計(jì)(或用流量收集法)測(cè)量。
  3.耐壓性能試驗(yàn):空氣減壓閥試驗(yàn)壓力按規(guī)定,輸出壓力調(diào)至較大,輸出口關(guān)閉,保壓I min后檢查。

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