PC n° 66/3 2017 Proyecto de Protocolo de Análisis y/o Ensayos de Seguridad de Producto de Gas (PC No. 66/3 2017, Draft safety analysis and/or test protocol for gas products) (9 pages, in Spanish)
The notified protocol establishes the certification procedure for type B2 H3 ring seals for automatic valves specified in the current analysis and/or test protocol PC No. 20.