Safety relief valve / flange ø 1" - 6", ANSI 150 - 300 in different designs for temperatures from -60 °C to 450 °C acc. to to ASME / EN ISO 4126-1 and AD2000-A2, Full Nozzle in material SA216WCB from all known German and European manufacturers. Safety relief valve / flange designed to be used for steam, neutral gases , vapours and liquids.