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after the water pressure test for chilled water pipes the system will not be used for a while, is there any possibility for the pipes to get rusted? what is the best solution to prevent it if so? does the nitrogen gas help in this case?
After water pressure test it has to be removed from the system. Then using nitrogen gas leak test has to be conducted. This is very advantageous as it will help to identify any possible leak during operation as well as to flush the system. Since nitrogen is inert at normal conditions it will remove any moisture content and thereby eliminating any chance of rusting.
