HG/T 20592  法兰 WN 25(B)-100 RJ S=5 A=5

WN 25(B)-100 RJ S=5 A=5

WN 25(B)-25 RF S=4 A=34

WN65-25RF615-2009sch40 d=990 k=

3 RF 1400-1.6(B)-25 RF0F S=3RF0Rr34Fs

47023 fm 600-1.6/

BL65-100RJ5 .50-1600 RF S0sB-—B-36F6RFNR

WN450-600RJSch40S=280h=-

PL100(B)-16 RF B=102.6 C=

DN40/PN10/01A0bhgGch