Sealing ring-item 27 for safety valve type ARI-SAFE-P fig 921 EN ISO 4126-1 Packingrings-item 31 for safety valve type ARI-SAFE-P fig 921 EN ISO 4126-1 Spring- item 37 for safety valve type ARI-SAFE-P fig 921 EN ISO 4126-1 550017-550045 50.40 50.40.3 SVW 10 44 BAR G 1/2 A, -not available Figur 67.961 911100000G191 EL-Stellantrieb PREMIO 5kN (911150000G191) 23.470 DN 25 (ARI-STEVI 470/422) 9110400126 Figur 12.924 DN 40 PN 40 911100000G191 (EL-Stellantrieb PREMIO 2, 2kN) ARI-STEVI 405 (Figur 35.405 DN 40)