GB/T 29465  法兰 FF 650-1.6/20δ0=18/2F93R16/5id(B)-160 RF0s=F00 RF5A S/data/public/blue

WN100-150RF B=100rf1000-1.

PL50(B)-10FF D=-

hg/t20592 wn50(b)-16 rfF C=42 D=11

PL150(B)-16 M(B)-16RF S=4s4f s

PL400-10RFRFF S=4RF5ch40-16,x/i/L=0640/11B Sch40S=

WN 10"-300 RF S=15 B=241 Y=500

PL400(A)-6RF D=560 C=24/

WN 50(B)-10 RF S=10=90

WN 8