HG/T 20592  法兰盖 BL 100-16 RFR=285 f1=3

BL100-16 RFR=285 f1=3

SW 80(B)-25 GGrfF0RF25 rf sch00-TR0font16 RF=5RF60

WN 25-600 RF Sch805=-1022

WN 100-1500 Rj0-

wn300-40 rf s=10/

WN25(B)-16RF \ RFB)-10RF-95240h. 8=0C=

so100-150 rf asm-15@a

BL50-300 T Sch40-150/

WN125-150RFS=7

bL150(B)-6RF1.003R