ARI-Armaturen safety valve SAFE 12.903 DN50/80,PN16,EN-JL1040,spring loaded D/G/H 4,5bar

ARI-Armaturen safety valve SAFE 12.903 DN50/80,PN16,EN-JL1040,spring loaded D/G/H 4,5bar
Normal safety valve with flanges, for heating systems. Housing made of cast iron EN-JL1040, with primer coating. Closed spring cap, open venting, spring-loaded, high wear resistance. Seat and spindle made of 1.4021+QT, directly acting with metallic-supported EPDM soft sealing cone. EPDM bellows, precise centering and guiding of the cone. Component tested according to EN ISO 4126-1, DIN EN 12828, and TRD 721. Component identification: Normal valve TÜV-SV-..-688-D/G/H. Medium temperature: -10 - +120°C. Nominal pressure: PN 16. Nominal size: DN50/80. Set pressure bar (g): 4.5 bar. Weight: 26 kg. Article code: 12903005010.