Low- and medium-pressure valves for fuel gases, for a nominal pressure not exceeding 20 bar
Proyecto de Protocolo de Análisis y/o Ensayos de Seguridad de Llaves de baja y media presión para gases combustibles, para presiones nominales menores o iguales a 20 bar (Draft safety analysis and/or test protocol for low- and medium-pressure valves for fuel gases, for a nominal pressure not exceeding 20 bar) (10 pages, in Spanish)
The notified Protocol establishes the certification procedure for low- and medium-pressure valves for fuel gases, for a nominal pressure not exceeding 20 bar, in accordance with the scope and field of application of standard UNE-EN 331:2016.
It does not apply to: