A40Y-C型(xing)(xing)適用于工(gong)(gong)作(zuo)溫(wen)度(du)(du)(du)≤400℃、A40Y-I型(xing)(xing)適用于工(gong)(gong)作(zuo)溫(wen)度(du)(du)(du)≤450℃、A40Y-V型(xing)(xing)適用于工(gong)(gong)作(zuo)溫(wen)度(du)(du)(du)≤510℃的空(kong)氣,石油氣、氮氫混(hun)合氣等(deng)介質的設備和管路上,作(zuo)為超(chao)壓(ya)保護裝置。 |