HG/T 20592  法兰 PL 450(B)-16 FF b

PL450(B)-16 FF b

WN1500-150 RF B=1487F0/650rfRF0ssB r

PL300(B)-25RF-11574L=154/70-1650 FF

LWN 40-150 RF B=34 H

WN 150(B)-63 RJ Sch4RFh.0=6FS=70

BL 400-25 RF)-25f.RFc0 SCH RF-600s=1686/45-10h

pl50(a)-10 ff d=1953/-1

1 FM 900-1.0 δs=10Sch40 A=33.4 S

S