HG/T 20592  法兰 WN 200(B)-16 RF S=8RFn1 s=

WN200(B)-16RF S=8RFn1 s=

WN150-300RF/5/2009S=12.7-1540fm0 RF S=1276216 RFF RFF(B)-16R40

BI 406 h=30B)-1r

5 FM 2200-400-150=5 S

WN50-150 RF B=15.5 A=21.30RFB=586 C0092/

LWN600-300 RF3.6S=10=32/

20615WN500A-16RFF B=42.5F-Sch80-1.618 H1=78.116RF=121 m0