URDU HINDI ME | Mechanical Expansion valve brazing easily||Expansion valve aasani se change karen||

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  • Опубликовано: 24 ноя 2020
  • mechanical expansion valve to Brazing easily.open and brazing.
    suction pressure not increases.and discharge pressure very higher .so problem in the expansion valve.so old valve will be removed and new valve Brazing easily follow instructions
    #S M Practical HVAC Engineering

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