HG/T 20592  法兰盖 BL 65-10 RFS609/04

BL65-10RFS609/04

PL350(B)-10 FF C=30

SO 40(B)-16 RF

WN40B-25 RF S=8

WN80-150 RF Sch40SS=3RFSch80RFRF

PL40-10RF AA=35.3

WN80-150 RF SCH160

WN 600-300 RF Sch40S

PL500-25RF

WN80-150 RF��75 C=90 K=1590 BB= n=40 L=48 d=1760 f1=5=5Frf RJ Sch40Sampampampa