// CODE SNIPPET
1309.5.2.1 Purging of Joints
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GTAW autogenous
orbital welded joints shall be purged during
welding with a commercially available mixture of
75 percent helium (+/- 5 percent) and 25 percent
argon (+/- 5 percent). [NFPA 99:5.1.10.5.1.5]
Related Code Sections
1309.16.3 Health Care Facilities and Medical Gas and Medical Vacuum Systems, Purging of Joints
GTAW autogenous orbital welded joints shall be purged during welding with a commercially available mixture of 75 percent helium (+/- 5 percent ...
California Plumbing Code 2019 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1309.0 Joints and Connections > 1309.16 Welded Joints > 1309.16.3 Purging of Joints
1309.5.2.1 Health Care Facilities and Medical Gas and Medical Vacuum Systems, Purging of Joints
GTAW autogenous
orbital welded joints shall be purged during
welding with a commercially available mixture of
75 percent helium (+/- 5 percent ...
California Plumbing Code 2016 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1309.0 Joints and Connections > 1309.5 Welded Joints > 1309.5.2 Welder Qualification Procedure > 1309.5.2.1 Purging of Joints
1307.3 Health Care Facilities and Medical Gas and Medical Vacuum Systems, Brazing Procedure Specification
The brazing procedure specification shall address cleaning, joint clearance, overlap, internal purge gas, purge gas flow rate, and
filler metal ...
California Plumbing Code 2016 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1307.0 Brazing Procedures > 1307.3 Brazing Procedure Specification
1309.3.8.5 Health Care Facilities and Medical Gas and Medical Vacuum Systems, Discharge Opening
While a joint is
being brazed, a discharge opening shall be
provided on the opposite side of the joint from
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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 > 1309.3.8.5 Discharge Opening
1307.3 Health Care Facilities and Medical Gas and Medical Vacuum Systems, Brazing Procedure Specification
The brazing procedure specification shall address cleaning, joint clearance, overlap, internal purge gas, purge gas flow rate, and
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California Plumbing Code 2019 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1307.0 Brazing Procedures > 1307.3 Brazing Procedure Specification