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// CODE SNIPPET

1318.12 Medical Gas Piping System Purge Tests

California Plumbing Code 2019 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1318.0 Testing and Inspection > 1318.12 Medical Gas Piping System Purge Tests
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The outlets in each medical gas piping system shall be purged to remove any particulate matter from the distribution piping. [NFPA 99:5.1.12.2.5]

1318.12.1 Procedure

Using appropriate adapters, each outlet shall be purged with an intermittent high-volume flow of test gas until the purge produces no discoloration in a clean white cloth. [NFPA 99:5.1.12.2.5.1]

1318.12.2 Location

The purging required in Section 1318.12.1 shall be started at the closest outlet/inlet to the zone valve and continue to the furthest outlet/inlet within the zone. [NFPA 99:5.1.12.2.5.2]

Related Code Sections


1318.12 Health Care Facilities and Medical Gas and Medical Vacuum Systems, Medical Gas Piping System Purge Tests
The outlets in each medical gas piping system shall be purged to remove any particulate matter from the distribution piping. [NFPA 99:5.1.12.2.5 ...
California Plumbing Code 2019 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1318.0 Testing and Inspection > 1318.12 Medical Gas Piping System Purge Tests
1319.9 Health Care Facilities and Medical Gas and Medical Vacuum Systems, Purge Tests
The outlets in each medical gas piping system shall be purged by a party qualified in accordance with Section 1306.1, using oil-free, dry nitrogen NF ...
California Plumbing Code 2016 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1319.0 Testing and Inspection > 1319.9 Purge Tests
1309.3.8 Health Care Facilities and Medical Gas and Medical Vacuum Systems, Nitrogen Purge
, the nitrogen purge gas flow rate shall not be high enough to produce a positive pressure in the piping system. [NFPA 99:5.3.6.8.3 ...
California Plumbing Code 2016 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1309.0 Joints and Connections > 1309.3 Brazed Joints and Fittings > 1309.3.8 Nitrogen Purge
1309.8 Health Care Facilities and Medical Gas and Medical Vacuum Systems, Nitrogen Purge
final brazed connection of new piping to an existing pipeline containing the system gas shall be permitted to be made without the use of a nitrogen ...
California Plumbing Code 2019 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1309.0 Joints and Connections > 1309.8 Nitrogen Purge
1309.3 Health Care Facilities and Medical Gas and Medical Vacuum Systems, Brazed Joints and Fittings
[NFPA 99:5.1.10.4.5.4, 5.3.6.8.5]     For Category 3 systems, the nitrogen purge gas flow rate shall not be high enough to produce ...
California Plumbing Code 2016 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1309.0 Joints and Connections > 1309.3 Brazed Joints and Fittings
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