HG/T 20592  法兰 WN 500(B)-16 RFР50Sch

WN 500(B)-16RFР50Sch

WN200B-40RFS=9p24F0@RPL20-11RF0sc@S/2

B WN 1000-150 RF S=10

wn40-16 rf .F816RF150ch

BL 8"-150 RF�� rj@090-1F-1-

LWN25-600RF RF Sch80 Sc F

WN 100-600 RF S=100

WN40-150RFSch16aKpamRF H

SO 16"-150 RF f=1.6

BL125(B)-