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PNG Commercial Documents Required

  • Internal Piping Test Certificates
  • Test Certificates of all fittings (valves/ pressure gauges/ regulators etc.)
  •   3rd Party Pressure Testing Certificate for internal piping work
  • Internal Piping Layout Diagram (showing all fittings up to final user point) inside the customer’s premise
  • Fire NOC
  • A letter by customer indemnifying MNGL against any kind of loss in case of leakage in internal piping