HG/T 20592  法兰 PL 100-16 RF b=42.52H1250 δs=6FRJch25 RF S=4.50-1

PL 100-16 RF b=42.52H1250 δs=6FRJch25 RF S=4.50-1

BL40-300 TGc00-1.01A AA0Sch1601.6 s

SO 300(B)-10 RFp.6/64-10.6=1&=8=17mm

WN65(B)-16RF S=41/

APA-1

A WN650-150 RF sch1048/

pl600(b)-16rf b=3 d=83500-0.6

DN 50×25-18 RC10500s5a

WN 450(B)-16 RF S=7.6l