<prompt> Nitronium 60 stainless chuma ni kutumika kwa ajili ya valve kiti na valve bushing. wote stainless chuma hardware mating welding flanges ni 304L rangi anodized Silver, Black, Red, Blue, Purple, Aluminium, Silver, Silver. nini ni kusudi la kutumia Nitronium 60 stainless chuma kwa ajili ya valve kiti na valve bushing?  <response>: Nitronium 60 ni moja ya chuma cha pua ambayo hutumiwa kwa ajili ya viti vya valve na bushing ya valve. 