5.1.10.11.11.1

Brazing procedures and brazer performance for the installation of medical gas and vacuum piping shall be qualified in accordance with either Section IX, “Welding and Brazing Qualifications,” of the ASME Boiler and Pressure Vessel Code, or AWS B2.2/B2.2M Specification for Brazing Procedure and Performance Qualifications, both as modified by 5.1.10.11.11.2 through 5.1.10.11.11.5.

5.1.10.11.11.2

Brazers shall be qualified by visual examination of the test coupon followed by sectioning.

5.1.10.11.11.3

The brazing procedure specification shall address cleaning, joint clearance, overlap, internal purge gas, purge gas flow rate, and filler metal.

5.1.10.11.11.4

The brazing procedure qualification record and the record of brazer performance qualification shall document filler metal used, base metals, cleaning, joint clearance, overlap, internal purge gas and flow rate during brazing of coupon, and absence of internal oxidation in the completed coupon.

5.1.10.11.11.5

Brazing procedures qualified by a technically competent group or agency shall be permitted under the following conditions:

1. The brazing procedure specification and the procedure qualification records meet the requirements of this code.
2. The employer obtains a copy of both the brazing procedure specification and the supporting qualification records from the group or agency and signs and dates these records, thereby accepting responsibility for the qualifications that were performed by the group or agency.
3. The employer qualifies at least one brazer following each brazing procedure specification used.