HG/T 20592  法兰 SO 40(B)-40 RF b=4/RF SCH10S77.5 RJ

SO 40(B)-40 RF b=4/RF SCH10S77.5 RJ

IF 80-10 FFS40 RERF SCH0

WN100-100RFS=480dRF D= RF5 R=15 f1=6F RF4R

WN2"-600 RJ Sch160 h= O=165.1

WN40-40RJ60��0F

PL 80(B)-10 RFRHF@Sch4�� R600 RF Sch40SjSCH40�c

wn100-300 rf 16fwp-107 H=2.6-1

SO 20