HG/T 20615  法兰 WN 80(B)-1500 M/150 RFS

WN80(B)-1500M/150 RFS

47065.2 A2

WN 500-300 RF S=52

WN 25(B)-25 RF

PL32(A)-16RF HG/T20

WN100-16RF

DN80-PN10 SO RF Ⅱ

47065.2 A4=5-

PL20(B)-16 RF

WN 40(A)-40 RFRF06 RF)-16 RFF50 RF Sch40S s=3 RF430@rfSF6smpah40b=70 A1.13)-40 M S=3 R1 RF Sch841MF476