HG/T 20592  法兰 WN 2000(B)-16 RF S=15.882.5 �5 Rampampam

WN 2000(B)-16 RF S=15.882.5 �5 Rampampam

so450(a)-16 rf/T).5S31

SO 24"-150 RF

WN 1"-1500 RJ S=3.5 A=34

pl700-10ff

wn25(B)-16 M0060-112 -10 RFRF Sch8040S Sch601060rfFMG250A@40@S520-150rf-16McF@aF

bl300(b)-25rfs=12=41.6

B WN1000-150 RF

SO