ReducedPressureZone Assemblies must be inspected and tested periodically, in accordance with local codes, to ensure proper operation of check valves within the unit.
减压区总成必须按照当地有关规定定期检查和测试,以确保这种装置内的止回阀能够正常运行。
2
By modifying, the separation zone behind the shaft and turn loss at upwind side are all reduced. Modifying inlet maintains high pressure recovery, and the distortion index is reduced by 74% at most.