HG/T 20592  法兰 SO 65-16 RF b=3.5 d=121 n=4 AA=78

SO65-16RF b=3.5 d=121 n=4 AA=78

SO 50-150 RF.948 K=83 n=6 L=15= B

WN 25-300 M S=16 TG0/130-120F)F Scr=S=5wn350-6

BL25-300RFRF S=3 RF S=3FM10 RF6 RFFf RFch8040RF Sch40RF Sch40 RF.3=4

pl32(b)-16RF d=480 k=435d=143rf b=3FRF-A1-00RFfh2040

WN RF 10K 15A