HG/T 20592  法兰 WN 32-25 TMd=50rf16RF150 RF/

WN32A-25TMd=50rf16RF150 RF/

BL 20-6 RFs00 d40Sh-232160 h=1

WN 1 1/2"-900 FF Sch14001600p5F

1 CRF 1000-0.6 δs=61-600rj

LWN 80-900 RF B

SO150A-16RF b=5/K=3.5 L=15 C3740RFf4

BL32(B)-25RF70-2/Fh1609 pl1 HG=5.5M S=4-16 RF Sch

PL 80(B)-25 RF0

PL40-2.