A new dry system should be tested for how long and at what pressure?

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Multiple Choice

A new dry system should be tested for how long and at what pressure?

Explanation:
Testing a dry sprinkler system uses a pneumatic test to verify piping integrity before it’s charged with water. The standard approach is to pressurize the system to 40 psi and hold that pressure for 24 hours. This combination provides a meaningful pressure to reveal leaks while giving enough time for even slow leaks at joints or fittings to show up. Shorter tests or lower pressures may miss leaks, while higher pressures or longer durations aren’t required. So, 24 hours at 40 psi is the correct testing condition.

Testing a dry sprinkler system uses a pneumatic test to verify piping integrity before it’s charged with water. The standard approach is to pressurize the system to 40 psi and hold that pressure for 24 hours. This combination provides a meaningful pressure to reveal leaks while giving enough time for even slow leaks at joints or fittings to show up. Shorter tests or lower pressures may miss leaks, while higher pressures or longer durations aren’t required. So, 24 hours at 40 psi is the correct testing condition.

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