NB/T 47022  法兰 C-T 900-2.5 B=66

2 CT 900-2.5 B=66

WN100(B)-40 RF

WN 25(B)-63 RF

WN 100-300 RF Sch40

IF 50-25 M08 rf rf sB8

PL80(B)-40 RF

WN 350-300 RF

WN 2"-300 RF Sch80S Sch10Sh160h140ch120ch100;-300 RF

WN 100-300 RF B=96

WN 125-150 RF Sch10Sh40 Smf0005RF@FRF16/8I1671@6RF74m