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Test a Dry Sprinkler System that has not been in use for a number of years with air/smoke?

Question asked by Ray Messenger on Feb 5, 2016
Latest reply on Feb 11, 2016 by W Stiles

We have an area of building that is protected by a Dry System that has not been in use for a number of years. Owners have been told they need to get back in service but when we try and put air to system it does not hold any air. We thought we of putting water in it to find problems areas but due to a section of area having very sensitive equipment it can not be done. Short of taking a lot of time to investigate every inch piping to see if there are missing sprinkler heads, pipe disconnected or broken does anyone know how to pump system with air/color smoke?

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