Normal service relief valves, expansion bellows and any other fittings not designed for the full test pressure, must be removed or positively isolated from the system.

 
  • 必須將正常操作卸壓閥、膨脹波紋管和任何其它未經(jīng)設計用于滿(mǎn)壓測試的管件拆除或與測試系統完全隔離開(kāi)。
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