HG/T 20592  法兰 PL 50(B)-10 RFpl65(b)-1

cpl50(b)-10rfpl65(b)-1

WN80-1500RF0 B=f Scذ¨ر�

LF/SE 300-300 RF S=3

PL 125(B)-10 RF

WN 2"-1500 RJ Sch40

3 RF 700-1.6 δ0=10

PJ/SE 125(B)-10 RF

1 RF 400-1.0 δs=5

WN 500(B)-16 RF S=12

DN10-PN16 PL RF ⅡS=9h80S RFm.html l=1565T)-F-cุà�