HG/T 20592  法兰 PL 400(B)-10 FF0F

PL 400(B)-10 FF0F

PL 32-6RF

WN 300-1500 RJ Sch80S

WN 250-300 FM S=10

SO 50-150 RF

WN 100B-16 RF S=4

PL50-25RF0-4.

DN2600-PN2.5 WN RF II S=14

WN 50(B)-16 RF S=10

WN 50(B)-16 RF(B)-10 RF S=30 H=350-10 RF S=3 B=70 K=12f/u0a3/uF00019 D=23-325-1.--1-000-