Metuljski ventili od kovine do kovine, trojni ekscentrični, dvosmerni, podaljšana gred, lastnosti, cena

The sealing ring of the metal to metal seated butterfly valve is completely made of metal material, and there is no interlayer made of non-metallic materials such as PTFE, graphite, rubber asbestos board, etc. The valve will not be washed by high-speed fluid when the valve is fully opened or partially opened. The sealing ring is damaged, which greatly improves the service life of the valve. 

Ne samo, da ga je mogoče zanesljivo izklopiti pri predvodnem tlaku, ampak tudi pri povratnem tlaku ali pa je povratni tlak veliko večji od predvodnega tlaka.