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

  1.内泄漏试验:空气减压阀试验压力按规定,阀关闭。在出口处涂肥皂水,观察10s。
  2.外泄谢试验:空气减压阀试验压力按规定,出口压力调至较大,出口管路关闭,在锁紧盖处、膜片连接处、用压力表连接处、溢流口处涂肥皂水检查10s。阀芯杆顶端为硬质密封时,在溢流口接流量计(或用流量收集法)测量。
  3.耐压性能试验:空气减压阀试验压力按规定,输出压力调至较大,输出口关闭,保压I min后检查。

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