HG/T 20592  法兰 PL 25(B)-16 RF RFFS=50RFB)-16

PL25(B)-16 RF RFFS=50RFB)-16

WN 40-150 RFUK B=24.3-)-16

WN15-300RF,Sch16015 d=5

so10(b)-16m-600Jm63r

so400-10rFM100c2/

BL40-63 Mm0 rF=2S=48MB00ce/23FCMSch00 RF-1(=33 wn1 d=126=2thubm

wn25(a)-100 rf s=12rfSch8

Wn50(a)-16RF S=400rf0/S= mF RFR b=49

470