HG/T 20592  法兰 PL 150-40 MRFS=4(B)RFF@F77i6=8@A43RF@AF5 RF S=3 Sch300F@R

PL150-40mRFS=4(B)RFF@F77i6=8@A43RF@AF5 RF S=3 Sch300F@R

WN50-150 RF Sch40206

47065.2 A116401500dmi

pl80(b)-25 mF B=36fbFrf HG/dRFRF IILT05009PL RF)-16 RF45000R

BL25-160Ms/@4F B=578.1-2RFF1FF50-10

wn50-300 rf b=42.82 a=1

WN 50(B)-16 RF600-2.5/3RF,40C