Division 4.6.2
A copper or brass hydrogen containing component shall comply with the leakage tests referred to in sections 4.3. and 4.12. and after being submitted to 24 hours immersion in ammonia according to ISO 6957 with all connections closed.
A copper or brass hydrogen containing component shall comply with the leakage tests referred to in sections 4.3. and 4.12. and after being submitted to 24 hours immersion in ammonia according to ISO 6957 with all connections closed.