13.5.1 Inspection and Testing of Sprinkler Pressure-Reducing
|188.8.131.52 A partial flow test adequate to move the valve from its seat shall be conducted annually - How to perform the partial flow|
|184.108.40.206 A full flow test shall be conducted on each valve at 5-year intervals and shall be compared to previous test results- How to perform the full flow test|
Does the PRV required calibration every year? If so, where can I see the standard for it?