NB/T 47022  法兰 RF 2500-0.25�š

2 RF 2500-0.25�š

SO 2"-150 RFBSch1.0 r

BL 200(B)-6 M50

SO 1200-150 RF00/u0

wn100(b)-25fms

WN 1 1/2"-300 RF Sch10SF×300-5 TRam@4RJ RFSCH40S rf@40@S5 RJrvlet/F/FВ0@RCRFch40 f6RF@�@FFh80hRF7F5 RJf

WN 150(B)-16 RFM1

LF/SE 300-150 RF Sch4