HG/T 20592  法兰 PL 450(B)-10 RF

c-rc pl450(b)-10 rf

PL 50(B)-16 RF

WN 600-150 RF

SO 200-150 RF.0pl009NPT7 TS5

WN 25(B)-25 RF S=3

WN250(B)-16RF sch40 H1

LJ 2"-150 RF Sch10Sch4�mpampamp;amp;amp;amp;ampamp;amp;

WN10-100RJ50-6(b)-16fmF-25am0 RF S=30—&&

JWN80X125-25RF

wn150-63