HG/T 20592  法兰 SO 50-10 RFb)-7021 C-RF1000-0.6600 RF Sch80F B4 sRF-300

SO50-10RFb)-7021 C-RF1000-0.6600 RF Sch80F B4 sRF-300

DN500/PN25/02&32A

BL300B-16RF

WN 20(B)-40 RF S=S=4

SO80-600T°wn25(b)-40rfM.6 SRF6RF25 rf /@10ampa

SO 20(B)-150 RF5540S.1=5 C

WN 200(B)-16 RF

BL80-300 RF D=209.5 K=168.1

HG/T20592 BL80-25 RF

WN