HG/T 20592  法兰 LWN 300-25 RF6 RF0226´60F-RF Sch86RF rfF-

lwn300-25rf6 RF0226´60F-RF Sch86RF rfF-

WN 350-600 RF Sch1000 δr�f0 h=130

wn150a-16rFL150( S=6R

lwn15-150rf h=17/00a/11F00-200

pl65(b)-10rf|022cr17ni12mo2/u00c3/u/

SO 600-150 RF

SO 600(B)-10 RF

WN15A-100Gf(b)-16 rf=

PL1200-10rf12pam

SO 600(B)-1